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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
关键词:
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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