翻訳と辞書 Words near each other ・ Alkylglycerol monooxygenase ・ Alkylglycerone kinase ・ Alkylglycerone phosphate synthase ・ Alkylglycerophosphate 2-O-acetyltransferase ・ Alkylglycerophosphoethanolamine phosphodiesterase ・ Alkylhalidase ・ Alkylimino-de-oxo-bisubstitution ・ Alkylmercury lyase ・ Alkylphenol ・ Alkylphosphocholine ・ Alkylpyrazine ・ Alkylresorcinol ・ Alkyne ・ Alkyne metathesis ・ Alkyne trimerisation ・ Alkyne zipper reaction ・ Alkyonides ・ Alkyonides Gulf ・ Alkè ・ Alköy, Posof ・ All ・ All 'bout Smoke 'n Mirrors ・ All 'n All ・ All (All album) ・ All (band) ・ ALL (complexity) ・ All (Descendents album) ・ All (Horace Silver album) ・ All (I Ever Want) ・ All (song) Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Alkyne zipper reaction ： ウィキペディア英語版 Alkyne zipper reaction The alkyne zipper reaction is an organic reaction which isomerizes an organic compound containing an internal alkyne into a terminal alkyne. This was first reported by Charles Allen Brown and Ayako Yamashita in 1975. The isomerization reaction proceeds for straight-chain alkynes and acetylinic alcohols and provides a useful approach for remote functionalization in long-chain hydrocarbons.〔 The reaction requires a strong base. The base used by Brown and Yamashita was potassium 1,3-diaminopropanide, generated ''in situ'' by adding potassium hydride to the solvent 1,3-diaminopropane.〔 Alternative approaches have been investigated due to the expensive and hazardous nature of potassium hydride; ethylenediamine has been found to be an unsuitable replacement for 1,3-diaminopropane. As an example, for the synthesis of 9-decyn-1-ol from 2-decyn-1-ol, the lithium salt of 1,3-diaminopropane in the presence of potassium ''tert''-butoxide affords yields of approximately 85%. :HO–CH2C≡C–(CH2)6CH3 → HO(CH2)8–C≡CH ==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「Alkyne zipper reaction」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.