Enantioselective synthesis of functionalized 2-amino-4H-chromenes via the o-quinone methides generated from 2-(1-tosylalkyl)phenols
作者： Bo Wu , Xiang Gao , Zhong Yan , Wen-Xue Huang , Yong-Gui Zhou
DOI: 10.1016/J.TETLET.2015.05.076
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摘要: … o-QMs,11(r), 12 we focused on bifunctional organocatalytic reactions of in situ generated o-QMs… the thiourea catalyzed enantioselective amination of o-QMs with aqueous ammonia in 33…
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