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ChemInform Abstract: A Novel Enantioselective Catalytic Tandem Oxa-Michael—Henry Reaction: One-Pot Organocatalytic Asymmetric Synthesis of 3-Nitro-2H-chromenes.

✍ Scribed by Dan-Qian Xu; Yi-Feng Wang; Shu-Ping Luo; Shuai Zhang; Ai-Guo Zhong; Hui Chen; Zhen-Yuan Xu


Publisher
John Wiley and Sons
Year
2009
Weight
43 KB
Volume
40
Category
Article
ISSN
0931-7597

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A Novel Enantioselective Catalytic Tande
✍ Dan-Qian Xu; Yi-Feng Wang; Shu-Ping Luo; Shuai Zhang; Ai-Guo Zhong; Hui Chen; Zh 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 224 KB 👁 2 views

## Abstract An enantioselective oxa‐Michael–Henry reaction of substituted salicylaldehydes with nitroolefins that proceeds though an aromatic iminium activation (AIA) has been developed by using a chiral secondary amine organocatalyst and salicylic acid as a co‐catalyst. The corresponding 3‐nitro‐2