VINYLAMINOCARBENES OF GROUP-6 METALS BY METATHESIS REACTION OF 2-AMINO-1,3-BUTADIENES - REACTIVITY TOWARD ELECTRON-DEFICIENT ALKENES

被引:48
作者
BARLUENGA, J
AZNAR, F
MARTIN, A
机构
[1] Instituto Universitario de Química Organometálica “Enriaue Moles”, Campus del Cristo, Universidad de Oviedo
关键词
D O I
10.1021/om00003a050
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new method for the synthesis of chromium, molybdenum, and tungsten Fischer-type vinylaminocarbenes 3 by the metathesis reaction of 2-amino-1,3-butadienes and phenyloxycarbenes is reported. In addition, the reaction of 3 with electron-deficient alkenes to afford, after hydrolysis, the vinyl ketones 6 has been studied. In order to explain this behavior, a cyclopropanation process has been proposed, which is supported by the formation of the seven-membered ring 8 from diene 7.
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页码:1429 / 1433
页数:5
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