Enantioselective aza-Henry reaction catalyzed by a bifunctional organocatalyst.
摘要:
[reaction: see text] The aza-Henry reaction of imines with nitroalkanes was promoted by chiral thiourea with an N,N-dimethylamino group to give beta-nitroamines with good enantioselectivity. Various N-protected imines were examined as substrates. N-Phosphinoylimine gave the best result in terms of chemical yield and enantioselectivity (up to 91% yield, up to 76% ee).
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DOI:
10.1021/ol0364531
年份:
2004
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来源期刊
Organic letters
2004
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