Synthesis of 1-azaazulenes from cycloheptatrienylmethyl ketone O-pentafluorobenzoyloximes by palladium-catalyzed cyclization and oxidation

被引:56
作者
Chiba, S [1 ]
Kitamura, M [1 ]
Saku, O [1 ]
Narasaka, K [1 ]
机构
[1] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan
关键词
D O I
10.1246/bcsj.77.785
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Various 1-azaazulenes are synthesized from cycloheptatrienylmethyl ketone O-pentafluorobenzoyloximes by treatment,with a catalytic amount of Pd(dba)(2)-t-Bu3P (dba = dibenzylideneacetone) and triethylamine in the presence of MS 4A via alkylideneaminopalladium(II) intermediates generated by oxidative addition of the oximes to a Pd(0) complex.
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页码:785 / 796
页数:12
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