Large-Scale Synthesis of Singh's Catalyst in a One-Pot Procedure Starting from Proline

A Berkessel, W Harnying, N Duangdee…

Index: Song, Lirong; Chen, Xiaobei; Zhang, Shilei; Zhang, Haoyi; Li, Ping; Luo, Guangshun; Liu, Wenjing; Duan, Wenhu; Wang, Wei Organic Letters, 2008 , vol. 10, # 23 p. 5489 - 5492

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Abstract

... Volume: Page: ... The use of chiral organocatalysts, purely organic and metal-free small molecules, has emerged as a highly efficient ... high enantioselectivities were obtained when low catalyst loadings were used under kinetic control.(5) Furthermore, Wang et al. ...