ISBN-10:
3527312102
ISBN-13:
9783527312108
Pub. Date:
10/21/2005
Publisher:
Wiley
Methods and Principles in Medicinal Chemistry: Microwaves in Organic and Medicinal Chemistry / Edition 1

Methods and Principles in Medicinal Chemistry: Microwaves in Organic and Medicinal Chemistry / Edition 1

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Product Details

ISBN-13: 9783527312108
Publisher: Wiley
Publication date: 10/21/2005
Series: Methods and Principles in Medicinal Chemistry Series , #25
Pages: 422
Product dimensions: 6.87(w) x 9.65(h) x 1.01(d)

About the Author

C. Oliver Kappe was born in Graz (Austria) and received his doctoral degree from the Karl-Franzens-University in Graz in 1992, working with Gert Kollenz on acylketenes. After postdoctoral research work with Curt Wentrup at the University of Queensland, Brisbane (Australia), and with Albert Padwa at Emory University, Atlanta (USA), he moved back to the University of Graz where he currently holds a position as associate Professor. In 2003 he spent a sabbatical at the Scripps Research Institute in La Jolla (USA) with K. Barry Sharpless. His research focuses on microwave-enhanced synthesis, combinatorial chemistry, multicomponent reactions, and biologically active heterocycles.

Alexander Stadler was born in Bruck and der Mur (Austria) and studied Chemistry at the University of Graz. He then obtained his doctoral degree for studies on microwave-accelerated reactions in solution and on solid phase in the group of C. Oliver Kappe. After postdoctoral research work on microwave-assisted transition metal-catalyzed coupling reactions in the group of Mats Larhed at the University of Uppsala (Sweden) he joined Anton Paar GmbH in Graz in 2004 as product specialist for microwave synthesis.

Table of Contents

Preface.

Personal Foreword.

1. Introduction: Microwave Synthesis in Perspective.

1.1 Microwave Synthesis and Medicinal Chemistry.

1.2 Microwave: Assisted Organic Synthesis (MAOS) – A Brief History.

1.3 Scope and Organization of the Book.

2. Microwave Theory.

2.1 Microwave Radiation.

2.2 Microwave Dielectric Heating.

2.3 Dielectric Properties.

2.4 Microwave Versus Conventional Thermal Heating.

2.5 Microwave Effects.

2.5.1 Thermal Effects (Kinetics).

2.5.2 Specific Microwave Effects.

2.5.3 Non-Thermal (Athermal) Microwave Effects.

3. Equipment Review.

3.1 Introduction.

3.2 Domestic Microwave Ovens.

3.3 Dedicated Microwave Reactors for Organic Synthesis.

3.4 Multimode Instruments.

3.4.1 Milestone s.r.1.

3.4.2 CEM Corporation.

3.4.3 Biotage AB.

3.4.4 Anton Paar GmbH.

3.5 Single-Model Instruments.

3.5.1 Biotage AB.

3.5.2 CEM Corporation.

3.6 Discussion.

4. Microwave Processing Techniques.

4.1 Solvent-Free Reactions.

4.2 Phase-Transfer Catalysis.

4.3 Reactions Using Solvents.

4.3.1 Open-versus Closed-Vessel Conditions.

4.3.2 Pre-Pressurized Reaction Vessels.

4.3.3 Non-Classical Solvents.

4.4 Parallel Processing.

4.5 Scale-Up in Batch and Continuous-Flow.

5. Starting with Microwave Chemistry.

5.1 Why Use Microwave Reactors?

5.2 Translating Conventionally Heated Methods.

5.2.1 Open and Closed Vessels?

5.2.2 Choice of Solvent.

5.2.3 Temperature and Time.

5.2.4 Microwave Instrument Software.

5.3 Reaction Optimization and Library Generation – A Case Study.

5.3.1 Choice of Solvent.

5.3.2 Catalyst Selection.

5.3.3 Time and Temperature.

5.3.4 Reinvestigation by a “Design of Experiments” Approach.

5.3.5 Optimization for Troublesome Building Block Combinations.

5.3.6 Automated Sequential Library Production.

5.4 Limitations and Safety Aspects.

6. Literature Survey Part A: General Organic Synthesis.

6.1 Transition Metal-Catalyzed Carbon-Carbon Bond Formations.

6.1.1 Heck Reactions.

6.1.2 Suzuki Reactions.

6.1.3 Sonogashira Reactions.

6.1.4 Stille Reactions.

6.1.5 Negishi, Kumada, and Related Reactions.

6.1.6 Carbonylation Reactions.

6.1.7 Asymmetric Allylic Alkyations.

6.1.8 Miscellaneous Carbon-Carbon Bond-Forming Reactions.

6.2 Transition Metal-Catalyzed Carbon-Heteroatom Bond Formations.

6.2.1 Buchwald-Hartwig Reactions.

6.2.2 Ullmann Condensation Reactions.

6.2.3 Miscellaneous Carbon-Heteroatom Bond-Forming Reactions.

6.3 Other Transition Metal-Mediated Processes.

6.3.1 Ring Closing Metathesis.

6.3.2 Pauson-Khand Reactions.

6.3.3 Carbon-Hydrogen Bond Activation.

6.3.4 Miscellaneous Reactions.

6.4 Rearrangement Reactions.

6.4.1 Claisen Rearrangements.

6.4.2 Domino/Tandem Claisen Rearrangements.

6.4.3 Squaric Acid-Vinylketene Rearrangements.

6.4.4 Vinylcyclobutane-Cyclohexene Rearrangements.

6.4.5 Miscellaneous Rearrangements.

6.5 Diels-Alder Cycloaddition Reactions.

6.6 Oxidations.

6.7 Catalytic Transfer Hydrogenations.

6.8 Mitsunobu Reactions.

6.9 Glycosylation Reactions and Related Carbohydrate-Based Transformations.

6.10 Multicomponent Reactions.

6.11 Alkylation Reactions.

6.12 Nucleophilic Aromatic Substitutions.

6.13 Ring-Opening Reactions.

6.13.1 Cyclopropane Ring-Opening.

6.13.2 Aziridine Ring-Openings.

6.13.3 Epoxide Ring-Opening.

6.14 Addition and Elimination Reactions.

6.14.1 Michael Additions.

6.14.2 Addition to Alkenes.

6.14.3 Addition to Alkenes.

6.14.4 Addition to Nitriles.

6.15 Substitution Reactions.

6.16 Enamine and Imine Formations.

6.17 Reductive Aminations.

6.18 Ester and Amide Formation.

6.19 Decarboxylation Reactions.

6.20 Free Radical Reactions.

6.21 Protection/Deprotection Chemistry.

6.22 Preparation of Isotopically Labeled Compounds.

6.23 Miscellaneous Transformations.

6.24 Heterocycle Synthesis.

6.24.1 Three-Membered Heterocycles with One Heteroaton.

6.24.2 Four-Membered Heterocycles with One Heteroatom.

6.24.3 Five-Membered Heterocycles with One Heteroatom.

6.24.4 Five-Membered Heterocycles with Two Heteroatom.

6.24.5 Five-Membered Heterocycles with Three Heteroatom.

6.24.6 Five-Membered Heterocycles with Four Heteroatom.

6.24.7 Six-Membered Heterocycles with One Heteroatom.

6.24.8 Six-Membered Heterocycles with Two Heteroatom.

6.24.9 Six-Membered Heterocycles with Three Heteroatom.

6.24.10 Larger Heterocyclic and Polycyclic Ring Systems.

7. Literature Survey Part B: Combinatorial Chemistry and High-Throughput Organic Synthesis.

7.1 Solid-Phase Organic Synthesis.

7.1.1 Combinatorial Chemistry and Solid-Phase Organic Synthesis.

7.1.2 Microwave Chemistry and Solid-Phase Organic Synthesis.

7.1.3 Peptide Synthesis and Related Examples.

7.1.4 Resin Functionalization.

7.1.5 Transition Metal Catalysis.

7.1.6 Substitution Reactions.

7.1.7 Multicomponent Chemistry.

7.1.8 Microwave-Assisted Condensation Reactions.

7.1.9 Rearrangements.

7.1.10 Cleavage Reactions.

7.1.11 Miscellaneous.

7.2 Soluble Polymer-Supported Synthesis.

7.3 Fluorous Phase Organic Synthesis.

7.4 Grafted Ionic Liquid-Phase-Supported Synthesis.

7.5 Polymer-Supported Reagents.

7.6 Polymer-Supported Catalysts.

7.6.1 Catalysts on Polymeric Supports.

7.6.2 Silica-Grafted Catalysts.

7.6.3 Catalysts Immobilized on Glass.

7.6.4 Catalysts Immobilized on Carbon.

7.6.5 Miscellaneous.

7.7 Polymer-Supported Scavengers.

8. Outlook and Conclusions.

Index.

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