摘要 (二甲基)-和(二乙基)-(3-苯基丙-2-烯基)(1-苯基己-5-烯-1-yn-3-基)铵和N-(3-苯基丙)的碱催化分子内环化-2-烯基)-N- ( 3-苯基丙-2-炔基)-哌啶鎓和-吗啉鎓溴化物用于合成1-烯丙基-N , N-二乙基-4-苯基-1,3,3a,4-四氢苯并[ f ]异吲哚-2-鎓,1-烯丙基-N,N-二甲基-4-苯基-1,3,3a,4-四氢苯并[ f ]异吲哚-2-鎓,1-烯丙基-4-苯基-1 ,3,3a,4-四氢螺(苯并[ f ]异吲哚-2,1'-哌啶)-1'-鎓和1-烯丙基-4-苯基-1,3,3a,4-四氢螺(苯并[f ]]异吲哚-2,4'-吗啉)-4'-溴化鎓,产率高。环化伴随着副反应(8−10%)。
摘要 (二甲基)-和(二乙基)-(3-苯基丙-2-烯基)(1-苯基己-5-烯-1-yn-3-基)铵和N-(3-苯基丙)的碱催化分子内环化-2-烯基)-N- ( 3-苯基丙-2-炔基)-哌啶鎓和-吗啉鎓溴化物用于合成1-烯丙基-N , N-二乙基-4-苯基-1,3,3a,4-四氢苯并[ f ]异吲哚-2-鎓,1-烯丙基-N,N-二甲基-4-苯基-1,3,3a,4-四氢苯并[ f ]异吲哚-2-鎓,1-烯丙基-4-苯基-1 ,3,3a,4-四氢螺(苯并[ f ]异吲哚-2,1'-哌啶)-1'-鎓和1-烯丙基-4-苯基-1,3,3a,4-四氢螺(苯并[f ]]异吲哚-2,4'-吗啉)-4'-溴化鎓,产率高。环化伴随着副反应(8−10%)。
Synthesis of dialkyl(1-allyl-3-arylprop-2-yn-1-yl)-and dialkyl(1-allyl-3-alkenylprop-2-yn-1-yl)amines by the stevens rearrangement
作者:E. O. Chukhadzhyan、A. R. Gevorkyan、M. K. Nalbandyan
DOI:10.1134/s1070428006120025
日期:2006.12
The Stevens rearrangement of dialkyl(allyl)(3-arylprop-2-yn-1-yl)- and dialkyl(allyl)(3-alkenylprop-2-yn-1-yl)ammonium bromides gave dialkyl(1-allyl-3-arylprop-2-yn-1-yl)- and dialkyl(1-allyl-3-alkenylprop-2-yn-1-yl)amines. Here, the allyl group acts as migrating group, and 3-aryl- or 3-alkenylprop-2-yn-1-yl, as receiving one. The yields of the Stevens rearrangement products fall down as the alkyl chain becomes longer, as well as with introduction of a methyl group into the meta or para position of the aromatic ring.