Asymmetric synthesis of O-alkylated tetronic acid derivatives via an organocatalytic Mannich reaction and subsequent intramolecular cyclization

DOI: 10.1016/j.tetasy.2011.08.022

Source and publish data:

Tetrahedron Asymmetry p. 1536 - 1541 (2011)

Update date:2022-08-03

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Authors:

Luo, Nian-Hua

Sun, Xiang

Yan, Yun-Yun

Nie, Shao-Zhen

Yan, Ming

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Article abstract of DOI:10.1016/j.tetasy.2011.08.022

The organocatalytic asymmetric Mannich reaction of ethyl 4-chloro-3-oxobutanoate with N-Boc-imines has been studied and Cinchona alkaloids and chiral thiourea-tertiary amines were evaluated as catalysts. A pyrrolidine-based thiourea-tertiary amine was ide

Full text of DOI:10.1016/j.tetasy.2011.08.022

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