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  • 1
    Online Resource
    Online Resource
    Dordrecht :Springer Netherlands,
    Keywords: Recycling (Waste, etc.)--Germany. ; Electronic books.
    Description / Table of Contents: This book explores the role of recycling in efforts to achieve a sustainable world. It reviews current initiatives and activities, identifies areas for action and describes measures to increase resource efficiency.
    Type of Medium: Online Resource
    Pages: 1 online resource (280 pages)
    Edition: 1st ed.
    ISBN: 9789400757127
    Series Statement: Eco-Efficiency in Industry and Science Series
    DDC: 363.72820943
    Language: English
    Note: Intro -- Factor X -- Preface -- Contents -- Part I: Sustainable Use of Natural Resources: A Global Challenge -- Chapter 1: Global Material Flows and Their Environmental Impacts: An Overview -- 1 Introduction: A Little History -- 2 Resource Flows: What and How to Measure? -- 2.1 What to Measure: Metrics and Indicators -- 2.2 How to Measure Resource Flows: Methods and Data Sources -- 3 Results: The Weight of Nations -- 3.1 Dynamics and Distribution of Resource Use -- 3.2 Impacts of Resource Use -- 4 Perspectives: Sustainable Resource Use? -- References -- Chapter 2: Increased Resource Efficiency: The Key Issue for Ecology and the Economy -- 1 Giving Progress a New Orientation -- 2 The Efficiency Revolution: The Next Generation of Environmental Policy -- 3 Quality Rather than Quantity -- 4 Innovation, Growth and Employment -- 5 Increasing Consumption of Raw Materials and Its Consequences -- 6 Sustainable Resource Policy at a European and National Level -- 7 Initiatives of the Federal Environment Ministry Between 2005 and 2009 for Greater Resource Efficiency -- 8 Contribution of Waste Management to the Conservation of Resources -- 9 Prospects for Resource-Conserving, Closed Cycle Waste Management -- 10 Conclusion -- References -- Chapter 3: Economic Growth and Sustainable Development -- 1 Growth as Modern Progress Construction -- 2 Growth Dawn -- 2.1 Decoupling Not in View -- 2.2 The Logic of Social Growth Is Ambivalent -- 2.3 Will Growth Enhance Individual Happiness? -- 2.4 Peak Everything -- 3 The Alternative: Post-growth Economy -- 3.1 Sufficiency: Reduced to the Max -- 3.2 Urban Subsistence and Regional Supply: Regaining Economic Sovereignty -- 3.3 Material Zero-Sum Games -- 4 Result -- References -- Chapter 4: Economic Growth and Resource Use -- 1 Economic Growth: An Energy-Driven Phenomenon -- 2 Natural Resources: A Peak Experience. , 3 Hopes for Resource Efficiency -- References -- Chapter 5: Resource Protection Policy: An Opinion from the NGO Perspective -- 1 Resource Protection Policy: Why Is It Necessary? -- 2 What Does Resource Protection Policy Mean? -- 2.1 Disclosing Resource Consumption Levels -- 2.2 Formulating Resource Protection Policy -- 2.3 Integrating Resource Protection Policy into Sustainability Objectives -- 2.4 Combining Resource and Climate Protection Policies -- 2.5 Resource Protection, Security of Raw Material Supply and Closed Cycle Management Policies -- 3 Resource Protection Policy in Concrete Terms -- 3.1 Corporate Responsibility -- 3.2 Political Responsibility -- 3.3 Sustainable Raw Material Policy Should Go Beyond Resource Protection Policy -- 4 The Key Role of Resource Protection Policy -- References -- Chapter 6: Legislation on the Protection of Natural Resources: Basic Considerations and Legal Perspectives -- 1 Introduction -- 2 Basic Considerations -- 2.1 Does Resource Protection Constitute a Value in Itself? -- 2.2 Proper Understanding of Resource Protection, Sparing Use of Resources and Resource Efficiency -- 2.3 Relationship Between Resource Protection, Product Responsibility and Waste Management -- 2.4 Current Considerations to Prepare Operationalization -- 3 Legal Policy: Innovations and Activities -- 3.1 Innovations in Legal Policy de lege lata -- 3.2 Implementation of the Waste Framework Directive -- 4 Conclusion and Outlook -- References -- Part II: Securing a Sustainable Supply of Raw Materials -- Chapter 7: An International Metal Covenant: A Step Towards Global Sustainable Resource Management -- 1 Introduction -- 2 Cooperation Agreements to Solve Knowledge Problems -- 3 Used Car Exports and Material Losses as a Problem Field -- 4 Considerations Regarding a Future International Covenant on Resource Efficiency in the Metal Sector. , 4.1 Completion of Industrial Material Cycles -- 4.2 Recycling Standards -- 4.3 Enhanced Monitoring and Reporting -- 4.4 Sanctions -- 5 Impact Assessment: Benefits of an International Metal Covenant -- 5.1 Recovery of Raw Materials: A Scenario -- 5.2 Development of Recycling Capacities in Emerging Countries -- 6 Conclusion -- References -- Chapter 8: The Austrian Minerals Plan -- 1 Starting Situation -- 2 Safeguarding of Mineral Resources and Regional Planning -- 3 Evaluation of Mineral Deposits -- 3.1 Example of Construction Resources (Loose Rocks) -- 3.2 Example of Construction Resources (Hard Rocks) -- 3.2.1 Determination of the (Regional) Minimum Demand -- 3.2.2 Examination of the Future Demand -- 3.2.3 Examination as Far as the Supply Is Ensured -- 3.3 Ores, Industrial Minerals and Energy Resources -- 3.4 Methods of Assessment -- 3.4.1 Determination of the Area Required for Safeguarding Areas of Ore and Industrial Mineral Deposits -- Deposits for Extraction in Open-Pit Mining -- Deposits for Extraction in Underground Mining -- References -- Part III: Sustainable Production and Consumption -- Chapter 9: Materials Efficiency in Product Design and Manufacturing -- 1 Introduction -- 2 Approaches to Reducing Material Costs -- 2.1 Cost Transparency -- 2.2 Information -- 2.3 Documentation -- 2.4 Motivation and Training of Staff -- 2.5 Product Construction -- 2.6 Diversity of Components and Materials -- 2.7 Selection and Substitution of Materials -- 2.8 Processing -- 2.9 Selection of Suitable Tools -- 2.10 Specifications and Tolerances -- 2.11 Organization of Manufacturing -- 2.12 Workplace Design -- 2.13 Warehousing -- 2.14 Production Planning -- 2.15 Pooling of Orders -- 2.16 Quantitative Scrap Optimization and Nesting -- 2.17 Diversity of Parts and Components -- 2.18 Length-Optimized Purchasing -- 2.19 Batch Sizes, Start-Up Wastes and Set-Up Periods. , 2.20 Qualitative Scrap Optimization -- 2.21 Inspection of Incoming Material and Batch Tracing -- 2.22 Labelling of Materials and Components -- 2.23 Recycling of Scrap, Wastes and Remainders and Sorted Collection -- 2.24 Recording of Leftovers -- 2.25 Continuous Quality Control -- 2.26 Tool Monitoring and Maintenance -- 2.27 Cleaning Processes -- 2.28 Dosage of Cleaning Agents Including Water -- 2.29 Water Recirculation and Treatment -- 3 Practical Examples from Different Industries -- 3.1 Metal Processing -- 3.2 Electrical and Electronics Industries -- 3.3 Processing of Plastic Materials -- 3.4 Wood Processing -- 3.5 Furniture Manufacturing -- 3.6 Surface Coating -- 3.7 Food Production -- 3.8 Breweries -- 3.9 Services -- 3.10 Textile Finishing -- Reference -- Part IV: Further Development of a Sound Waste Management -- Chapter 10: Strategies to Increase Resource Efficiency -- 1 Introduction -- 2 Anthropogenic Material Flow Chains -- 2.1 Model for Resource Efficiency Improvement Potentials -- 2.2 Mining of Raw Materials -- 2.3 Production of Primary Products -- 2.4 Production of Goods -- 2.5 Use of Goods -- 2.6 Waste Management -- 2.7 Conclusions -- 3 Political Strategies and Options for Action -- 3.1 Strategies and Objectives on the Global, European and National Levels -- 3.2 Product Design and Consumer Behaviour -- 3.3 Instruments of Political Control -- 3.3.1 Product Responsibility -- 3.3.2 Material Responsibility -- 3.3.3 Natural Resource Taxes -- 3.3.4 Product-Related Regulation -- 3.3.5 Public Procurement -- 3.3.6 Information and Labelling -- 4 Conclusion and Outlook -- References -- Chapter 11: Developing Waste Management into an Element of Resource-Efficient Material Flow Management -- 1 Scarce Resources: Using Wastes as Raw Material Stocks -- 2 From Waste Management to Management of Material Flows -- 3 Waste Management. , 4 Waste Prevention Strategies -- 5 Summary and Outlook -- References -- Part V: Taking into Account the Whole Life Cycle: Three Examples -- Chapter 12: Resource-Conserving Use of the Stock of Residential Buildings to Reduce Absolute Demand in the "Construction and Housing" Area of Need -- 1 Significance of the "Construction and Housing" Area of Need -- 2 Resource Potentials of Using Existing Buildings Instead of Constructing New Ones: Scientific Findings -- 3 Suggestion for a Strategic Hierarchy in the "Construction and Housing" Area of Need -- 4 Political Approaches to a Framework for Support of Sustainable Use of Existing Housing Stock -- 4.1 Reduce Energy Demand in Existing Buildings -- 4.2 Adapt Housing Stock to Needs, Avoid New Construction -- 4.2.1 Parameters: Trend in Population Development and the Housing Market -- 4.2.2 Parameters: Financial Impact on Municipalities of Designation of Building Land -- 4.2.3 Parameters: Varied Housing Needs of Different Population Groups -- 4.2.4 Parameters: Barriers to Investment in Housing Stock -- 4.2.5 Identify Policy Levers -- 4.2.6 Precise Measures -- Empirical Results -- 5 Conclusion -- References -- Chapter 13: Anthropogenic Stock as a Source of Raw Materials: Optimized Utilization of Recycled Building Materials to Conserve Resources -- 1 From Demographic Change to Resource Conservation -- 2 Potentials for Resource Conservation By Using Recycled Materials in Building Construction -- 3 Disposal of Construction and Demolition Debris: Current Situation and Developmental Trends -- 4 Challenges to the Construction and Demolition Industry -- 5 The Future Belongs to Resource-Saving Recycled Concrete -- 6 Overcoming Obstacles: Improving the Acceptance and the Resource-Saving Use of Recycled Concrete in Germany -- 7 Flagship Projects Providing Initial Incentives to Use Recycled Concrete. , 7.1 Flagship Project No. 1.
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  • 2
    Online Resource
    Online Resource
    Dordrecht :Springer Netherlands,
    Keywords: Natural resources -- Management. ; Electronic books.
    Description / Table of Contents: The book examines sustainable resource use. It identifies needs and areas for action, describes measures and instruments to increase resource efficiency, and gives practical recommendations and develops proposals to improve resource efficiency.
    Type of Medium: Online Resource
    Pages: 1 online resource (315 pages)
    Edition: 1st ed.
    ISBN: 9789400757066
    Series Statement: Eco-Efficiency in Industry and Science Series
    DDC: 333.72
    Language: English
    Note: Intro -- Foreword -- Prologue -- Introduction -- Contents -- Part I: Limits to Resource Use -- Chapter 1: The Limits of Resource Use and Their Economic and Policy Implications -- 1.1 Why and How Natural Resources Are Limited -- 1.2 Current Trends in Global Resource Use: Some Basic Trends -- 1.3 Different Types of Resource Scarcities -- 1.4 Some Consequences of Limited Resources -- 1.5 Some Policy Implications -- References -- Chapter 2: The Availability of Fossil Energy Resources -- 2.1 Conventional Wisdom -- 2.2 Crude Oil -- 2.3 Natural Gas -- 2.4 Coal -- 2.5 The Fossil and Nuclear Supply Outlook -- References -- Part II: Goals and Potentials for a Sustainable Use of Resources -- Chapter 3: Targets for Global Resource Consumption -- 3.1 Introduction -- 3.2 The Goal of Sustainable Resource Consumption -- 3.3 Major Environmental Problems of Global Resource Consumption -- 3.3.1 A Systems Perspective -- 3.3.2 Growing Resource Use -- 3.3.3 Increasing Impacts of Mineral Extraction -- 3.3.4 Increasing Impacts of Land Use Change -- 3.4 Indicators Describing the "Big Three" Environmental Pressures -- 3.4.1 Primary Minerals Consumption -- 3.4.2 Global Land Use for Agricultural Consumption -- 3.5 Which Targets Can Be Suggested? -- 3.5.1 Global Targets of Resource Use Versus National Consumption of Global Resources -- 3.5.2 Towards a Rationale for a Target of Global Mineral Extraction -- 3.5.3 Preliminary Target for Global Cropland -- 3.6 Targets for Resource Consumption Versus Productivity -- 3.7 Conclusion and Outlook -- References -- Chapter 4: Sustainable Land Use - Example: Land Take for Settlement and Transport in Germany -- 4.1 Introduction - The German National 30-hectares Goal for the Year 2020 -- 4.2 Why Is It Crucial for Sustainable Development to Reduce the Speed of Land Take?. , 4.2.1 Environmental Impact and Energy Consumption Induced by Land Take -- 4.2.2 Input of Materials - Especially Mineral Construction Materials and Products -- 4.2.3 Decline of Resource Efficiency and Economic Efficiency Through Demographic Change -- 4.2.4 Preserving Fertile Soils and Biodiversity as Natural Resources -- 4.3 Interaction Between the 30-ha Goal and Economic and Social Issues -- 4.3.1 Driving Forces and Decision-Makers Pushing Land Take in Germany -- 4.3.2 Is It Possible to Achieve the 30 ha Goal Without Negative Impacts on the Economy? -- 4.4 Consistent Strategies to Meet the 30 ha Goal -- 4.4.1 Intermediate, Regional or Sectoral Targets to Meet the 30 ha Goal -- 4.5 First Practical Steps to Reduce the Speed of Land Take -- 4.5.1 New Measures and Instruments to Slow Down Future Land Take -- 4.5.1.1 Communication, Education and Information Tools -- Communication with the Public and with Decision-Makers -- Improvement of Professional Training -- Monitoring and Assessment of Future Land Use -- 4.5.1.2 Support and Enforcement Instruments -- Adjusting the Economical Framework -- Further Improvement of the Planning System -- New Instruments Increasing the Price of Land Take -- 4.5.1.3 An Innovative Instrument to Guarantee the 30 ha Goal -- 4.6 Conclusions -- References -- Chapter 5: The Need for Decarbonising Our Economy -- 5.1 Limiting Climate Change -- 5.2 Keeping Track of the 2 Degree Path: Cutting Emissions to 95 % Below 1990 Levels in Industrialized Countries by 2050 -- 5.3 The Role of the Energy Sector -- 5.4 The German Vision: Power Supply by Renewable Energies -- 5.4.1 Precondition: Efficient Power Supply and Consumption -- 5.4.2 The Possibility of a 100 % Renewable Electricity Supply -- 5.4.3 Preconditions for Increasing the Share of Renewable Energies to 100 % -- 5.5 A Vision for Europe -- References. , Chapter 6: Strategies for Enhancing Resource Efficiency -- 6.1 Introduction: 'An Economy Crashing Against the Earth' -- Box 6.1: The Great Collision - A Global Economy Crashing Against the Earth -- Box 6.2: Our Ecological Footprint: Ending Overshoot -- 6.2 Fundamental Strategic Questions - Towards a 200 Trillion Dollar Economy? -- 6.2.1 Introduction -- 6.2.2 Growth Versus De-growth -- 6.2.3 Resource Input Versus Impact Limitations -- 6.2.4 Implications: Radical Resource Efficiency Improvements Required for Food, Mobility and Housing -- 6.3 Intervention Options for Decoupling and Potential Per Decoupling Strategy -- 6.3.1 Introduction -- Box 6.3: Relation Between Quality of Life and Environmental Impact -- 6.3.2 'Reducing Emission Factors' -- 6.3.3 The Same Output with Less Production Effort -- 6.3.4 Intensifying the Use of Products -- 6.3.5 Reducing the Material Intensity of Expenditure -- 6.3.6 Enhancing Quality of Life Per Euro Spent -- 6.4 Implications for Policy and Monitoring -- 6.4.1 Policy -- 6.4.2 Monitoring and Indicators -- 6.5 Conclusions -- References -- Chapter 7: Macroeconomic Impacts of Efficient Resource Use -- 7.1 Introduction -- 7.2 Economic Effects of Dematerialization -- 7.3 Evaluation of the Potential of a Policy Aimed at Increasing Resource Productivity -- 7.4 Conclusions -- References -- Part III: Strategies and Policies for a Sustainable Use of Resources -- Chapter 8: The Challenge of the Whole: Creating System Policies to Tackle Sustainability -- 8.1 Key Concepts -- 8.2 Ecosystem Services -- 8.3 System-Policies -- 8.4 Decoupling Growth from Using Nature -- 8.4.1 Targets -- 8.4.2 Measuring the Decoupling Growth from the Use of Nature -- 8.4.3 Technology -- 8.4.4 Achieving a Suitable Economic Framework -- Chapter 9: Changing the Priorities: From Labour Productivity to the Efficiency in the Use of Resources -- 9.1 Introduction. , 9.2 Defining and Measuring Resource Use Efficiency in the Normative Perspective of Dematerialisation and Well-Being -- 9.2.1 Natural Resources (NR) and Socially Valuable Outcomes of the Socioeconomic Process -- 9.2.2 GDP, Societal Goals and the Relation Between RE and RP -- 9.2.3 The Economy-Wide Material Flow Approach to Measuring NR -- 9.3 The Case for, and Some Remarks on, Dematerialisation -- 9.4 Resource Productivity, Economic Growth, Labour Productivity -- 9.4.1 Resource Use and Economic Growth -- 9.4.2 Economic Growth and Labour Productivity -- 9.4.3 LP, RP and the Speed of Materials Throughput -- 9.5 Changing the Perspective on Socially Valuable Outcomes -- 9.6 Objectives and Tools of a RE-Oriented Policy -- 9.7 Wrap Up -- References -- Chapter 10: Establishing and Strengthening Markets for Resource Efficient Products and Services -- 10.1 Benefits of a Proactive Policy -- 10.2 Obstacles to Raise Resource Efficiency -- 10.2.1 Obstacles on the Macroeconomic Level -- 10.2.2 Obstacles on the Firm Level -- 10.2.3 Barriers Among Consumers -- 10.3 Concepts, Strategies and Instruments -- 10.3.1 Long Term Targets as a Catalyst for Resource Efficiency -- 10.3.2 Strategies -- 10.3.3 Getting the Prices Right -- 10.3.4 Mobilizing Capital for Resource Efficiency Investments -- 10.3.5 Smart Regulation and Labelling as a Driver for Resource Efficiency -- 10.3.6 Enhancing Resource Efficient Closed Cycle Management -- 10.3.7 Public Procurement -- 10.3.8 Consulting and Environmental Management Systems -- 10.3.9 Knowledge Transfer and Networking -- 10.3.10 Training and Qualification: Managing the Transformation of Skills -- 10.3.11 Lead Market Strategies -- 10.4 Outlook -- References -- Chapter 11: Business Models for Material Efficiency Services -- 11.1 Introduction -- 11.2 The Research Design -- 11.3 Business Models of Material Efficiency Services. , 11.3.1 The MASCO Model -- 11.3.2 Material Efficiency as Additional Service -- 11.3.3 Management Service for Material Flows -- 11.4 Financing Challenges and Feasibility -- 11.4.1 Financing Challenges -- 11.4.2 Feasibility of the Business Models -- 11.5 Conclusions and Implications for the Future -- Appendix: Interview Summary -- References -- Chapter 12: Requirements of an International Natural Resource Policy -- 12.1 Introduction -- 12.2 The Need for a Natural Resource Policy -- 12.2.1 Drivers of Resource Use -- 12.2.2 Impacts of Resource Use and Environmental Costs -- 12.2.3 Economic Implications and Consequences for Resource Policy -- 12.3 Approaches for a Sustainable Resource Use Across the Entire Lifecycle of Products and Services -- 12.3.1 Raw Material Extraction and Processing -- 12.3.2 Product Design, Construction -- 12.3.3 Resource Efficient Production -- 12.3.4 Product Use and Supplying Services -- 12.3.5 Closing Material Cycles -- 12.4 Requirements for Global Resource Management -- 12.4.1 Important Elements of a Sustainable Management of Resources Worldwide -- 12.4.2 Policy Approaches for a Global Resource Policy Development -- 12.5 Conclusions -- References -- Chapter 13: Innovations for a Sustainable Resource Use - Reflections and Proposals -- 13.1 Introduction -- 13.2 Dimensions of Material Flows: Environment, Productivity and Employment -- 13.2.1 Environmental Impacts -- 13.2.2 Resource Productivity and Labour Productivity -- 13.2.3 A Booming Industry of Eco-Efficient Resource Management -- 13.3 The Role of Eco-Efficient Innovations -- 13.4 Governance for Sustainable Material Use -- 13.4.1 Using the Present Crisis, Riding on Mega-trends -- 13.4.2 General Policy-Design -- 13.4.3 Points of Policy Intervention -- 13.4.4 "Policy Acceleration": Lessons from Climate Policy? -- 13.5 Conclusion -- References. , Part IV: Proposals for Implementation.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 116 (1985), S. 377-384 
    ISSN: 1434-4475
    Keywords: N-(O-Isopropylidene-D-glycerol)-amino acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Several amino acid esters were N-acylated by isopropylidene-D-glyceric acid chloride. The various blocking groups were selectively removed to yieldN-D-glyceroyl-amino acids which are able to intra- or intermolecular condensation.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 116 (1985), S. 645-649 
    ISSN: 1434-4475
    Keywords: Maillard reaction ; N-Substituted aminoglyceraldehydes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract O-Benzyl-N-(benzyloxycarbonyl)-DL-serine methyl ester (1a) and peptides1 b–d with C-terminalO-benzylserine ester have been reduced with diisobutylaluminium hydride to yield the N-substituted aminoglyceraldehydes2 a–d. Using lithium tetrahydridoaluminate as the reducing agent the corresponding alcohols3 a–d have been obtained.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 114 (1983), S. 631-634 
    ISSN: 1434-4475
    Keywords: 2-O-(N-Benzyloxycarbonyl-amino acid)-3-O-(4-methoxyphenyl-diphenylmethyl)-DL-glyceraldehyde-diethylacetal ; DL-Glyceraldehyde-diethylacetal-3-(4-methoxyphenyl-diphenylmethyl)-ether
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es wird die selektive Veresterung einigerZ-Aminosäuren mit Glycerinaldehyd-diethylacetal unter Verwendung verschiedener OH-Schutzgruppen beschrieben.
    Notes: Abstract The selective esterification of someZ-amino acids with glyceraldehyde-diethylacetal by using different OH-blocking groups is described.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 14 (1980), S. 149-157 
    ISSN: 0009-2851
    Keywords: Chemistry ; Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1982 (1982), S. 366-371 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: On the Esterification of Glyceraldehyde Diethyl Acetal with Some Amino AcidsGlyceraldehyde diethylacetal was selectively esterified in the 2- and 3-position, respectively, by several Z-amino acids. Attempts to remove the protective groups usually result in hydrogenolytic or hydrolytic cleavage of the ester bond.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1982 (1982), S. 1394-1397 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Racemic 3-amino-1,2-propanediol was selectively N-acylated by several Z (S)-amino acids using 1,1′-carbonyldiimidazole as coupling reagent and tetrahydrofuran as solvent. In some cases (alanine, valine, phenylalanine) one of the two diastereomeric amides formed precipitates spontaneously and can be easily separated. In the case of alanine, the S,S-configuration of the isolated amide was proved. The protective Z groups were removed by catalytic hydrogenation to yield the hydrophilic oily amides.
    Type of Medium: Electronic Resource
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