By Masahiro Murakami, Naoto Chatani
Edited by way of top specialists and pioneers within the box, this can be the 1st updated e-book in this scorching topic.
The authors supply artificial chemists with various how to turn on carbon-carbon sigma bonds in natural molecules promoted by way of transition steel complexes. They clarify the fundamental rules and techniques for carbon-carbon bond cleavage and spotlight lately constructed artificial protocols according to this technique. In so doing, they hide cleavage of C-C bonds in strained molecules, reactions related to removal of carbon dioxide and ketones, reactions through retroallylation, and cleavage of C-C bonds of ketones and nitriles.
the result's a great info resource for researchers in academia and operating within the box of artificial natural chemistry, whereas both serving as supplementary interpreting for complicated classes in organometallic chemistry and catalysis.
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Extra resources for Cleavage of Carbon-Carbon Single Bonds by Transition Metals
66) . The migratory aptitude was in the order of H > Ph > Me. 1,2-Alkyl migration of tungsten alkylidene has also been reported . 66 It has been reported that internal alkynes react with organometallic compounds via 1,2-alkyl/aryl migration. 67) . The migratory aptitude of the alkyne substituents was in the order of CO2 Et, p-EtOCOC6 H4 > Me > Ph > p-MeC6 H4 > p-MeOC6 H4 . 68) . In a formal sense, one substituent on the alkyne migrated to another alkyne carbon to result in a vinylidene, which was inserted into the C–B bond.
25 Rh(I)-catalyzed rearrangement of quadricyclane 25 to norbornadiene 24. 45 46 2 Reactions of Three-Membered Ring Compounds 45 min in the presence of [RhCl(nbd)]2 . 7-Substituted norbornadienes were also prepared by valence isomerization . Cycloreversion also occurred in the presence of Ni(an)2 at 20 ∘ C . 26). 26 Ni(0)-catalyzed [3+2] annulation of quadricyclane 25 with methyl acrylate. 27) . This valence isomerization was not observed with the endo-isomer. 27 Conversion of exo-homonorbornadiene 27 to tetracyclooctane 28.
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