作者:Lészló Pongó、Józef Reiter、Gyula Simig、Béla ágai、Ferenc Faigl
DOI:10.1002/jhet.5570430617
日期:2006.11
lithiation followed by acylation with aroyl chlorides. 8,9-Dialkoxy-2,3-benzodiazepines 9 were obtained by cyclisation of diketones 6 with hydrazine. The reaction of diketones 6 with ammonia gave 7,8-dialkoxyisoquinolines 11. Reaction of ketals 5 with hydrazine hydrochloride and hydroxylamine hydrochloride afforded N-amino-7,8-dialkoxyisoquinolinium chlorides (10) and 7,8-dialkoxyisoquinolinium oxides (12)
通过定向邻位锂化反应,然后用芳酰氯酰化,由保护为1,3-二氧戊环(4)的芳基丙酮(1)合成o-芳基芳基丙酮型1,5-二酮衍生物(5,6)。通过将二酮6与肼环合获得8,9-二烷氧基-2,3-苯并二氮杂99。二酮6与氨的反应得到7,8-二烷氧基异喹啉11。缩酮5与肼盐酸盐和羟胺盐酸盐的反应得到N-氨基-7,8-二烷氧基异喹啉鎓氯化物(10)和7,8-二烷氧基异喹啉鎓氧化物(12),分别。