Chemical and Pharmaceutical Bulletin p. 233 - 236 (1994)
Update date:2022-08-03
Topics:
Kita
Tsuzuki
Kitagaki
Akai
Reaction of silylketenes 1a, b with stabilized ylides 2a-e readily gave silylallenes 3a-f in high yields. However, similar reaction of 1a with the less stable ylides 2f, g resulted in low yields of the allenes 3g, h. Use of silylketenes 5a, c with an additional trimethylsilyl group overcame this problem to give silylallenes 3c, g-k directly in considerable to good yields. In this reaction, the additional trimethylsilyl group apparently worked as a masking group.
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Doi:10.1021/jm00042a013
(1994)Doi:10.1021/ic0608445
(2006)Doi:10.1055/s-0040-1707390
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(2014)Doi:10.1039/c3dt53056f
(2014)Doi:10.1080/10426507.2016.1274992
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