Photoreaction of halomethyl substituted benzocyclic ketones with amines: radical cyclization and ring expansion reactions promoted through photoinduced electron transfer processes
作者:Eietsu Hasegawa
DOI:10.1039/a703974c
日期:——
Photoreaction of ethyl 2-bromomethyl-1-oxo-1,2,3,4- tetrahydronaphthalene-2-carboxylate 1a or other related compounds 1b–d with Me3SiCH2NEt2 in aqueous MeCN afforded ethyl 5-oxo-6,7,8,9-tetrahydrobenzocycloheptene-7-carboxylate 2a or corresponding ring expansion products 2a–d respectively.
2-溴甲基-1-氧代-1,2,3,4-四氢萘-2-甲酸乙酯 1a 或其他相关化合物 1b–d 与 Me3SiCH2NEt2 在 MeCN 水溶液中进行光反应,得到 5-氧代-6,7,8,9 乙酯-四氢苯并环庚烯-7-羧酸酯2a或相应的扩环产物2a-d。