General methodology for the preparation of 2,5-disubstituted-1,3-oxazoles.
General methodology for the preparation of 2,5-disubstituted-1,3-oxazoles.
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DOI:
10.1021/ol902833p
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发表时间:
2010-02-19
期刊:
影响因子:
5.2
通讯作者:
Fu L
中科院分区:
文献类型:
--
作者:
Williams DR;Fu L
Deprotonation of 2-(phenylsulfonyl)-1,3-oxazole (1) readily provides a useful C-5 carbanion which is reactive with a variety of electrophiles. Aldehydes and ketones are useful substrates, and the formation of 5-iodo- and 5-tri-n-butylstannyl oxazoles affords access to cross-coupling reactions. Subsequent nucleophilic displacement of the 2-phenylsulfonyl group provides a general route for the synthesis of 2,5-disubstituted-1,3-oxazoles.
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