Details

Nitroalkanes


Nitroalkanes

Synthesis, Reactivity, and Applications
1. Aufl.

von: Roberto Ballini, Alessandro Palmieri

133,99 €

Verlag: Wiley-VCH
Format: EPUB
Veröffentl.: 20.01.2021
ISBN/EAN: 9783527826773
Sprache: englisch
Anzahl Seiten: 320

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Beschreibungen

<p><b>Discover a comprehensive exploration of recent progress in the preparation of nitroalkanes from two leading voices in the field</b></p><p><i>Nitroalkanes: Synthesis, Reactivity, and Applications</i> delivers a thorough summary of the importance of nitroalkanes in organic synthesis. The book covers their preparation, transformation into other functional groups, like carbonyls and amines, and their use in the formation of single carbon-carbon or double carbon-carbon bonds. The distinguished authors have included chapters on acyclic and cyclic alpha-nitro ketones as well as the synthesis of cyclopropanes and spiro ketals.</i><p>The book provides treatments of the application of nitroalkanes for the synthesis of important heterocycles, poly-functionalized structures, natural products, and compounds of biological and pharmaceutical interest. A one-stop resource in a topic that hasn???t been fully addressed by any other book in decades, this book covers the most important synthetic routes toward nitroalkanes.</p><p>Readers will also benefit from the inclusion of:</p><li><bl>A thorough introduction to the synthesis of nitroalkanes, as well as the transformation of the nitro group into other functionalities</bl></li><li><bl>An exploration of the formation of C-C single bonds, C=C double bonds, and the breaking of C<sub>3</sub>C bonds from cyclic alpha-nitro ketones</bl></li><li><bl>Discussions of acyclic alpha-nitro ketones, nitroalkanes as precursors of cyclopropanes, and the synthesis of spiro ketals</bl></li><li><bl>An examination of the preparation and synthetic applications of 1,3-Dinitroalkanes</bl></li><p>Perfect for organic chemists, natural products chemists, and catalytic chemists, <i>Nitroalkanes: Synthesis, Reactivity, and Applications</i> will also earn a place in the libraries of medicinal chemists seeking a one-stop resource for the most recent developments in the preparation of nitroalkanes, their functionalization, and their applications.</p>
<p>About the Authors xiii</p> <p>Acknowledgments xv</p> <p>Introduction xvii</p> <p>List of Abbreviations xix</p> <p><b>1 Synthesis of Nitroalkanes </b><b>1</b></p> <p>1.1 Synthesis of Nitroalkanes 1</p> <p>1.1.1 Displacement of Alkyl Halides 1</p> <p>1.2 Nitration of Mesylates and Tosylates 4</p> <p>1.3 Oxidation of Nitrogen Derivatives 5</p> <p>1.3.1 Oxidation of Amines 5</p> <p>1.3.2 Oxidation of Oximes 7</p> <p>1.3.3 Oxidation of Azides 8</p> <p>1.4 Reduction of Conjugate Nitroalkenes 8</p> <p>1.4.1 Reduction of Nitroalkenes into Nitroalkanes 8</p> <p>1.4.2 Stereoselective Reduction of Conjugated Nitroalkenes 10</p> <p>1.4.3 Aldehyde Reductive Nitromethylation 10</p> <p>1.5 Nitration of Alkanes 11</p> <p>1.6 Metal-Catalyzed Alkylation or Arylation of Nitroalkanes 11</p> <p>1.6.1 Nitroalkylation of Aryl Halides 12</p> <p>1.6.2 Nitroalkylation of Allylic Esters 13</p> <p>1.6.3 Nitroalkylation of Allylic Alcohols 13</p> <p>1.6.4 Two-Carbon Homologation of Vinyl Triflates and Bromides 15</p> <p>References 16</p> <p><b>2 Reduction of the Nitro Group into Amines </b><b>19</b></p> <p>2.1 Representative Synthetic Applications of Nitroalkane Reductions 24</p> <p>2.1.1 Reduction of Nitroalkanes Obtained via Nitroaldol Reaction 24</p> <p>2.1.2 Reduction of Nitroalkanes Obtained via Michael Reaction 26</p> <p>References 28</p> <p><b>3 Nitro Group to Carbonyl (Nef Reaction) </b><b>31</b></p> <p>3.1 Nef Reaction under Oxidative Conditions 31</p> <p>3.1.1 Method Ox1 31</p> <p>3.1.2 Method Ox2 31</p> <p>3.1.3 Method Ox3 32</p> <p>3.1.4 Method Ox4 33</p> <p>3.1.5 Method Ox5 34</p> <p>3.1.6 Method Ox6 34</p> <p>3.1.7 Method Ox7 34</p> <p>3.1.8 Method Ox8 35</p> <p>3.1.9 Method Ox9 36</p> <p>3.1.10 Method Ox10 37</p> <p>3.1.11 Method Ox11 37</p> <p>3.1.12 Method Ox12 38</p> <p>3.1.13 Method Ox13 38</p> <p>3.1.14 Method Ox14 38</p> <p>3.1.15 Method Ox15 39</p> <p>3.1.16 Method Ox16 40</p> <p>3.1.17 Method Ox17 40</p> <p>3.2 Nef Reaction Under Reductive Conditions 41</p> <p>3.2.1 Method Red1 41</p> <p>3.2.2 Method Red2 42</p> <p>3.2.3 Method Red3 43</p> <p>3.2.4 Method Red4 43</p> <p>3.3 Nef Reaction Under Basic Conditions 44</p> <p>3.3.1 Method Base1 44</p> <p>3.3.2 Method Base2 45</p> <p>3.4 Other Methods for the Nef Reaction 46</p> <p>3.4.1 Method by NaNO<sub>2</sub> 46</p> <p>3.4.2 Method by Me<sub>3</sub>SiCl 47</p> <p>3.4.3 Method by SiO<sub>2</sub>/TBD 48</p> <p>3.5 Synthetic Applications of the Nef Reaction (Representative Examples) 49</p> <p>3.5.1 Solvolytic Methods 49</p> <p>3.5.2 Oxidative Methods 50</p> <p>3.5.3 Reductive Methods 52</p> <p>3.5.4 Basic Methods 54</p> <p>3.5.5 NaNO<sub>2</sub> Methods 55</p> <p>References 57</p> <p><b>4 Nitroaldol (Henry) Reaction </b><b>59</b></p> <p>4.1 General Catalysts and Promoters 60</p> <p>4.1.1 Heterogeneous Catalysts and Promoters 60</p> <p>4.1.2 Green Solvents 66</p> <p>4.1.2.1 Nitroaldol Reaction inWater 67</p> <p>4.1.2.2 Nitroaldol Reaction in Ionic Liquids 70</p> <p>4.2 Nitroaldol Condensation 72</p> <p>4.2.1 Application of General Henry Reaction 75</p> <p>4.3 Asymmetric Henry Reaction 82</p> <p>4.4 Aza-Henry Reaction 91</p> <p>4.4.1 Aza-Henry Reaction via <i>N</i>-Protected Imines 92</p> <p>4.4.2 Aza-Henry Reaction via α-Amidosulfones 96</p> <p>References 102</p> <p><b>5 Conjugate Addition of Nitroalkanes to Electron-Poor Alkenes (Michael Reaction) </b><b>107</b></p> <p>5.1 General Homogeneous Procedures 107</p> <p>5.2 Heterogeneous Procedures 109</p> <p>5.3 Michael Reaction under Green Solvents 114</p> <p>5.4 Asymmetric Michael Reaction 117</p> <p>5.4.1 Asymmetric Michael Reaction with Enones 117</p> <p>5.4.2 Asymmetric Michael Reaction with Enals 123</p> <p>5.4.3 Asymmetric Michael Reaction with α,β-Unsaturated Esters 126</p> <p>5.4.4 Asymmetric Michael Reaction with Conjugate Nitroalkenes 126</p> <p>5.4.5 Asymmetric Michael Reaction with Vinyl Sulfones 128</p> <p>5.5 Synthetic Applications of Michael Reaction 129</p> <p>References 138</p> <p><b>6 Formation of C—C Bond by Coupling Nitroalkanes with Aryl Halides </b><b>141</b></p> <p>6.1 Main Procedures for Coupling Nitroalkanes with Aryl Halides 141</p> <p>6.2 Application of C—C Coupling Nitroalkanes with Aryl Halides 144</p> <p>6.3 Others 147</p> <p>References 149</p> <p><b>7 Synthesis and Reactivity of 1,3-Dinitroalkanes </b><b>151</b></p> <p>7.1 Synthesis of 1,3-Dinitroalkanes 151</p> <p>7.1.1 Asymmetric Synthesis of 1,3-Dinitroalkanes 152</p> <p>7.1.2 Synthesis of Symmetric 1,3-Dinitroalkanes 154</p> <p>7.2 Synthetic Applications of 1,3-Dinitroalkanes 156</p> <p>7.2.1 Synthesis of 1,3-Diamines 156</p> <p>7.2.2 Synthesis of Carbocycles 156</p> <p>7.2.2.1 Synthesis of Dinitrocyclohexanols 156</p> <p>7.2.2.2 Synthesis of Bicyclo[3.3.1]nonanes 157</p> <p>7.2.3 Synthesis of Benzene Derivatives 159</p> <p>7.2.3.1 Synthesis of Acetophenones and Benzoates 159</p> <p>7.2.3.2 Synthesis of Arylamines 161</p> <p>7.2.3.3 Synthesis of Polyfunctionalized Phenols 161</p> <p>7.2.3.4 Synthesis of Nitrobenzenes 162</p> <p>References 163</p> <p><b>8 Formation of Carbon=Carbon Double Bonds via Nitrous Acid Elimination (NAE) </b><b>165</b></p> <p>8.1 Synthesis of α,β-Unsaturated Carbonyl Derivatives 165</p> <p>8.2 Nitroaldol Reaction, Nitrous Acid Elimination vs Water Elimination 170</p> <p>8.3 Synthesis of Cyclic Compounds 171</p> <p>8.3.1 Synthesis of Aromatic Rings 171</p> <p>8.3.1.1 Synthesis of Benzene Ring 171</p> <p>8.3.1.2 Synthesis of Furan Ring 174</p> <p>8.3.1.3 Synthesis of Pyrrole Ring 176</p> <p>8.3.1.4 Synthesis of Isoxazole Ring 176</p> <p>8.3.2 Synthesis of Heterocyclic (Non-Aromatic) Rings 176</p> <p>8.3.2.1 Synthesis of Dihydropyranol Ring 177</p> <p>8.3.2.2 Synthesis of Butyrolactone Ring 177</p> <p>8.3.2.3 Synthesis of Pyrrolidine Ring 178</p> <p>8.3.2.4 Synthesis of Succinic Anhydride Ring 178</p> <p>8.3.3 Synthesis of Cyclopentenone Ring 179</p> <p>8.4 Synthesis of Polyenes 180</p> <p>8.4.1 Asymmetric Synthesis of Electron-Poor Alkenes 183</p> <p>References 185</p> <p><b>9 </b><b>𝛂-Nitrocycloalkanones, Synthesis, and Reactivity </b><b>187</b></p> <p>9.1 Synthesis of Cyclic α-Nitro Ketones 187</p> <p>9.2 Ring Cleavage of Cyclic α-Nitro Ketones 189</p> <p>9.2.1 Cleavage to ω-Nitro Acids and ω-Nitro Esters 190</p> <p>9.2.2 Cleavage to Methyl ω-Oxoalkanoate 192</p> <p>9.2.3 Reductive Cleavage of α-Nitrocycloalkanones 193</p> <p>9.2.4 Oxidative Cleavage of α-Nitrocycloalkanones 193</p> <p>9.2.4.1 Cleavage into α,ω-Dicarboxylic Acids 193</p> <p>9.2.4.2 Cleavage to α,ω-Dicarboxylic Acids Dialkyl Esters 195</p> <p>9.2.4.3 Cleavage to α,ω-Dicarboxylic Acids Monomethyl Esters 195</p> <p>9.2.4.4 Cleavage to Methyl ω,ω-Dihalo-ω-nitroalkanoates 196</p> <p>9.2.5 Reaction of α-Nitrocycloalkanones with Organometallic Reagents 196</p> <p>9.3 α-Nitrocycloalkanones and Michael Reaction 198</p> <p>9.4 α-Nitrocycloalkanones and Henry Reaction 200</p> <p>9.5 “Zip Reaction” 201</p> <p>9.5.1 Synthesis of Bicyclic Macrolactones 202</p> <p>9.5.2 Synthesis of 12-Oxotetradecan-14-lactam 202</p> <p>9.5.3 Asymmetric Synthesis of Bicyclic Hemiketals 203</p> <p>9.6 Arylation of Nitrocycloalkanones 203</p> <p>9.6.1 Synthesis of Benzo- and Naphtho-fused Bicyclo[<i>n</i>.3.1]structures 204</p> <p>9.6.2 α-Arylation of 2-Nitrocycloalkanones 205</p> <p>References 206</p> <p><b>10 Acyclic </b><b>𝛂-Nitro Ketones: Synthesis and Reactivity </b><b>209</b></p> <p>10.1 Synthesis of α-Nitro Ketones 209</p> <p>10.1.1 Synthesis of α-Nitro Ketones from Henry Reaction 209</p> <p>10.1.2 Synthesis of α-Nitro Ketones from Carboxylic Acid Derivatives 211</p> <p>10.1.3 Synthesis of α-Nitro Ketones from Alkenes 212</p> <p>10.1.4 Synthesis of α-Nitro Ketones from Silyl Enol Ethers 212</p> <p>10.2 Reactivity of Acyclic α-Nitro Ketones 213</p> <p>10.2.1 Replacement of the Nitro Group of α-Nitro Ketones 213</p> <p>10.2.1.1 Replacement of the Nitro Group with Hydrogen 213</p> <p>10.2.1.2 Tandem Denitration–Deoxygenation 217</p> <p>10.2.1.3 Replacement of the Nitro Group with Deuterium 220</p> <p>10.2.1.4 Replacement of the Nitro Group with Phenylthio Group 221</p> <p>10.2.2 α-Nitro Ketones to Conjugated Enones 221</p> <p>10.2.3 α-Nitro Ketones into Nitroalkanols 224</p> <p>10.2.4 Chemoselective Reduction of α-Nitro Ketones to Amino Ketones 226</p> <p>10.2.5 Alkylation of α-Nitro Ketones 228</p> <p>10.2.5.1 α1-Alkylation of α-Nitro Ketones 228</p> <p>10.2.5.2 α-Allylation of α-Nitro Ketones 229</p> <p>10.2.5.3 α-Alkylation of α-Nitro Ketones by Michael Reaction Followed by Nitrous Acid Elimination 232</p> <p>10.2.5.4 α-Alkylation of α-Nitro Ketones by the Mannich (or Aza-Henry) Reaction 235</p> <p>10.3 Other Reactions 235</p> <p>10.3.1 Synthesis of Furoxans 235</p> <p>10.3.2 Synthesis of α-Nitro-α-Diazocarbonyl Derivatives 236</p> <p>10.3.3 Synthesis of Acylthioamides 236</p> <p>References 237</p> <p><b>11 Nitro Cyclopropanes: Synthesis and Applications </b><b>239</b></p> <p>11.1 Synthesis of Nitro Cyclopropanes 239</p> <p>11.1.1 Synthesis of Nitro Cyclopropanes from Bromine Derivatives 239</p> <p>11.1.2 Synthesis of Nitro Cyclopropanes from Conjugate Nitroalkenes 247</p> <p>11.1.3 Synthesis of Nitro Cyclopropanes from Alkenes 250</p> <p>11.1.4 Intramolecular Synthesis of Nitro Cyclopropanes from γ-Nitro Alcohols (the Mitsunobu Displacement) 253</p> <p>11.2 Applications of Nitrocyclopropanes 256</p> <p>11.2.1 Nitrocyclopropanes and Henry Reaction: Synthesis of Novel HIV-1 Protease Inhibitor. 256</p> <p>11.2.2 Cyclopropane Ring Expansion 257</p> <p>References 261</p> <p><b>12 Nitroalkanes as Source of Dicarbonyls </b><b>263</b></p> <p>12.1 1,2-Dicarbonyl Derivatives 263</p> <p>12.2 1,3-Dicarbonyl Derivatives 265</p> <p>12.3 1,4-Dicarbonyl Derivatives 266</p> <p>12.3.1 1,4-Diketones 266</p> <p>12.3.2 γ-Ketoesters and γ-Ketoacids 272</p> <p>12.4 1,5-Dicarbonyl Derivatives 275</p> <p>References 276</p> <p><b>13 Nitroalkanes as Source of Spiroketals </b><b>277</b></p> <p>13.1 1,6-Dioxaspiro[4.4]nonanes 277</p> <p>13.2 1,6-Dioxaspiro[4.5]undecanes 279</p> <p>13.3 1,6-Dioxaspiro[4.6]undecanes 281</p> <p>13.4 1,7-Dioxaspiro[5.5]undecanes and 1,7-Dioxaspiro[5.6]dodecanes 283</p> <p>References 284</p> <p>Index 285</p>
<p><i><b>Roberto Ballini</b> is Professor of Organic Chemistry at the University of Camerino in Italy. His research focus is on organic synthesis, with a particular emphasis on aliphatic nitro compounds. He has published over 250 scientific articles and edited two books.</i></p><p><i><b>Alessandro Palmieri</b> is Associate Professor at the University of Camerino in Italy. His research focus is on eco-friendly processes for the formation of C-C and C-X bonds and flow chemical protocols for the synthesis of fine chemicals. He has published over 100 scientific articles.</i></p>
<p><b>Discover a comprehensive exploration of recent progress in the preparation of nitroalkanes from two leading voices in the field</b></p><p><i>Nitroalkanes: Synthesis, Reactivity, and Applications</i> delivers a thorough summary of the importance of nitroalkanes in organic synthesis. The book covers their preparation, transformation into other functional groups, like carbonyls and amines, and their use in the formation of single carbon-carbon or double carbon-carbon bonds. The distinguished authors have included chapters on acyclic and cyclic alpha-nitro ketones as well as the synthesis of cyclopropanes and spiro ketals.</i><p>The book provides treatments of the application of nitroalkanes for the synthesis of important heterocycles, poly-functionalized structures, natural products, and compounds of biological and pharmaceutical interest. A one-stop resource in a topic that hasn???t been fully addressed by any other book in decades, this book covers the most important synthetic routes toward nitroalkanes.</p><p>Readers will also benefit from the inclusion of:</p><li><bl>A thorough introduction to the synthesis of nitroalkanes, as well as the transformation of the nitro group into other functionalities</bl></li><li><bl>An exploration of the formation of C-C single bonds, C=C double bonds, and the breaking of C<sub>3</sub>C bonds from cyclic alpha-nitro ketones</bl></li><li><bl>Discussions of acyclic alpha-nitro ketones, nitroalkanes as precursors of cyclopropanes, and the synthesis of spiro ketals</bl></li><li><bl>An examination of the preparation and synthetic applications of 1,3-Dinitroalkanes</bl></li><p>Perfect for organic chemists, natural products chemists, and catalytic chemists, <i>Nitroalkanes: Synthesis, Reactivity, and Applications</i> will also earn a place in the libraries of medicinal chemists seeking a one-stop resource for the most recent developments in the preparation of nitroalkanes, their functionalization, and their applications.</p>

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