作者:Kazuhiko Orito、Tsutomu Matsuzaki
DOI:10.1016/0040-4020(80)80055-x
日期:1980.1
Alkylation of 1,2,4,5-tetrahydro-3-methyl-3H-3-benzazepin-2-one 1a with various halides and sodium hydride in tetrahydrofuran-dimethylformamide solvent system was studied. Primary halides predominantly provided the 1-mono-substituted products, such as alkyl (2a-g, p, q), allyl (2j, k), propargyl (21) and benzyl (2m-o) derivatives, in satisfactory yields, and secondary halides resulted in lower yields
研究了1,2,4,5-四氢-3-甲基-3H-3-苯并ze庚因-2-1a 1a在四氢呋喃-二甲基甲酰胺溶剂体系中与各种卤化物和氢化钠的烷基化反应。伯卤化物主要以令人满意的收率提供1-单取代的产物,例如烷基(2a-g,p,q),烯丙基(2j,k),炔丙基(21)和苄基(2m-o)衍生物,和次级卤化物的产量(2h,i)低于初级卤化物。在尝试用ω,ω'-二溴代烷烃进行二烷基化反应时,五元和六元螺环产物(4c,d)是通过这种方法获得的。还研究了迈克尔型加成反应,发现丙烯酸酯给出了相应的加合物(2p,q)。