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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Tolman's rule ： ウィキペディア英語版 Tolman's rule Tolman's Rule states that, in a certain chemical reactions, the steps involve exclusively intermediates of 18- and 16 electron configuration. The rule is an extension of the 18-Electron rule. This rule was proposed by American chemist Chadwick A. Tolman. Many examples of homogeneous catalysis involving organometallic complexes involve shuttling of complexes between 16 and 18 electron configurations. 16-Electron complexes often form adducts with Lewis bases and, if low-valent, undergo oxidative addition. :CH3I + ''cis''-()− → ()− Conversely, complexes of 18 electron configuration tend to dissociate ligands or undergo reductive elimination: :[Rh(PPh3)3ClH2 → [Rh(PPh3)3Cl + H2 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tolman's rule」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.