Citation: Xian Jia, Lu Yin, Xuan Zhao, Xing Shu Li. The applications of Schiff bases in Ti-catalyzed asymmetric alkynylation of aldehydes[J]. Chinese Chemical Letters, ;2007, 18(3): 275-278. doi: 10.1016/j.cclet.2007.01.022 shu

The applications of Schiff bases in Ti-catalyzed asymmetric alkynylation of aldehydes

Xian Jia ^a, ,
Lu Yin ^a ,
Xuan Zhao ^a ,
Xing Shu Li ^b

a School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China;
b School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510080, China

Received Date: 22 September 2006

Fund Project: This study is supported by the National Natural Science Foundation of China (No. 20472116),the Natural Science Foundation of Liaoning Province (No. 1050155) and Shenyang Pharmaceutical University Fund.

Sciff bases 1 and 2, which were derived from chiral aminoalcohols, were used as ligands in Ti-catalyzed asymmetric alkynylation of aldehydes. Good enantioselectivities (up to 88% ee) and high chemical yields (80-90%) were obtained.
- Sciff bases,
- Ti-catalyzed,
- Alkynylation
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