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Aspects of Homogeneous Catalysis: A Series of Advances
1. INTRODUCTION Although quite spectacular results have been obtained in the last few decades in the field of homogeneous transition metal catalyzed transformations of olefins and alkynes [1], reactions which could lead to heterocycles have been partly neglected. An obvious reason for this is that substrates containing heteroatoms such as N, 0 or S could coordinate the metal and suppress the catalytic activity. Nevertheless, some interesting early examples of transition-metal-catalyzed syntheses of heterocyclic compounds have been reported and these have been reviewed by C. W. Bird [2] . More recently the incorporation of CO , which enables esters and lactones 2 to be synthesized from olefinic starting materials, has begun to attract attention (see, for example, ref. [3]). The dominant role of palladium as the catalyst for the formation of O-containing heterocycles has been suggested to be associated with the relatively low strength of the Pd-O bond. Among the first examples of a nitrogen-containing heterocycle to be formed by homogeneous catalysis is the triazine shown in Equation 1 which is the product of the trimerization of benzonitrile in the presence of iron penta carbonyl or Raney­ nickel [4] .
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Aspects of Homogeneous Catalysis: A Series of Advances
1. INTRODUCTION Although quite spectacular results have been obtained in the last few decades in the field of homogeneous transition metal catalyzed transformations of olefins and alkynes [1], reactions which could lead to heterocycles have been partly neglected. An obvious reason for this is that substrates containing heteroatoms such as N, 0 or S could coordinate the metal and suppress the catalytic activity. Nevertheless, some interesting early examples of transition-metal-catalyzed syntheses of heterocyclic compounds have been reported and these have been reviewed by C. W. Bird [2] . More recently the incorporation of CO , which enables esters and lactones 2 to be synthesized from olefinic starting materials, has begun to attract attention (see, for example, ref. [3]). The dominant role of palladium as the catalyst for the formation of O-containing heterocycles has been suggested to be associated with the relatively low strength of the Pd-O bond. Among the first examples of a nitrogen-containing heterocycle to be formed by homogeneous catalysis is the triazine shown in Equation 1 which is the product of the trimerization of benzonitrile in the presence of iron penta carbonyl or Raney­ nickel [4] .
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Aspects of Homogeneous Catalysis: A Series of Advances

Aspects of Homogeneous Catalysis: A Series of Advances

Aspects of Homogeneous Catalysis: A Series of Advances

Aspects of Homogeneous Catalysis: A Series of Advances

Overview

1. INTRODUCTION Although quite spectacular results have been obtained in the last few decades in the field of homogeneous transition metal catalyzed transformations of olefins and alkynes [1], reactions which could lead to heterocycles have been partly neglected. An obvious reason for this is that substrates containing heteroatoms such as N, 0 or S could coordinate the metal and suppress the catalytic activity. Nevertheless, some interesting early examples of transition-metal-catalyzed syntheses of heterocyclic compounds have been reported and these have been reviewed by C. W. Bird [2] . More recently the incorporation of CO , which enables esters and lactones 2 to be synthesized from olefinic starting materials, has begun to attract attention (see, for example, ref. [3]). The dominant role of palladium as the catalyst for the formation of O-containing heterocycles has been suggested to be associated with the relatively low strength of the Pd-O bond. Among the first examples of a nitrogen-containing heterocycle to be formed by homogeneous catalysis is the triazine shown in Equation 1 which is the product of the trimerization of benzonitrile in the presence of iron penta carbonyl or Raney­ nickel [4] .

Product Details

ISBN-13: 9789401012010
Publisher: Springer Netherlands
Publication date: 10/09/2011
Series: Aspects of Homogeneous Catalysis , #3
Edition description: Softcover reprint of the original 1st ed. 1977
Pages: 249
Product dimensions: 6.69(w) x 9.61(h) x 0.02(d)

Table of Contents

Homogeneous Transition-Metal Catalysis in Molten Salts.- 1. Introduction.- 2. Synthesis Gas Processing.- 3. Short Chain Fatty Acids (SFA’S).- 4. Oxo Alcohols and Aldehydes.- 5. Fischer-Tropsch Chemistry.- 6. Olefin Hydrogenation.- 7. Chlorination and Oxidation.- 8. Conclusions.- Carbon Dioxide as Building Block for Fine Chemicals Synthesis by HomogeneousCatalysis.- 1. Alkenes.- 2. Dienes.- 3. Alkynes.- 4. Literature.- Metal Catalysed Deoxygenation Reactions by Carbon Monoxide of Nitroso andNitro Compounds.- 1. Introduction.- 2. Interaction of Nitroso and Nitro Compounds with the Metal Centre.- 3. Metal-assisted Stoichiometric Reactions in Nitroso and Nitro Compounds.- 4. Catalytic Reactions.- 5. Concluding Remarks.- 6. Glossary of Abbreviations.- 7. References.- Recent Aspects of Transition Metal Catalyzed Reactions of Carbenes in the Realm of Biologically Active Substances.- 1. Introduction.- 2. Generalities.- 3. Synthetic Applications.- 4. References.
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