Preparation of furans by palladium-catalyzed reaction of acylchromates and propargylic tosylates

被引：0
|
作者：
Nakamura, M [1 ]
Yamane, M [1 ]
Sakurai, H [1 ]
Narasaka, K [1 ]
机构：
[1] Univ Tokyo, Dept Chem, Grad Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan
来源：
HETEROCYCLES | 2003年 / 59卷 / 01期
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D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Substituted furans are prepared by the palladium-catalyzed reaction of propargylic tosylates with acylchromates. The reaction is initiated by the oxidative additiion of propagylic tosylates to palladium(0) complexes to give 1,2-propadienylpalladium(II) complexes, which in turn react with acylchromates to form 1,2-propadienyl ketones. Then 1,2-propadienyl ketones are transformed to furans by the action of in situ generated Cr(CO)(5).
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页码：333 / 345
页数：13
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