Reaction of diphenylketene (I) with azadienes (II-IX), having -C=N-C=N- multiple bond system between carbon-nitrogen double bond in heterocycles and their side-chain carbon-nitrogen double bond, gave the 1, 4-cycloadducts (XI-XVIII), respectively. Hydrogenolysis of the 1, 4-cycloadducts (XIb, XIIb, and XVIb), with lithium aluminum hydride in tetrahydrofuran gave the 1-propanol derivatives (XIX, XXI, and XXII), respectively. On the other hand, reaction of I with 3-(p-anisylideneamino)-5-phenylisoxazole (Xb) and 2-benzylideneaminopyridine (XXIV) respectively afforded 1-[3-(5-phenylisoxazolyl)]-3, 3-diphenyl-4-(p-anisyl)-2-azetidinone (XXIII) and 1-(2-pyridyl)-3, 3, 4-triphenyl-2-azetidinone (XXV).
二苯基酮(I)与具有-C=N-C=N-多重键系统的阿扎二烯(II-IX)反应,生成了1,4-环加成物(XI-XVIII)。1,4-环加成物(XIb、XIIb和XVIb)在
四氢呋喃中与铝
锂氢化物反应进行氢解,分别生成了1-
丙醇衍
生物(XIX、XXI和XXII)。另一方面,I与3-(对乙氧基苯
亚胺基)-
5-苯基异噻唑(Xb)和2-苯甲
亚胺基
吡啶(XXIV)反应,分别得到1-[3-(
5-苯基异噻唑基)]-3,3
-二苯基-4-(对乙氧基苯基)-
2-氮杂环丁酮(XXIII)和1-(2-
吡啶基)-3,3,4-三苯基-
2-氮杂环丁酮(XXV)。