Chiral phosphine-mediated intramolecular [3 + 2] annulation: enhanced enantioselectivity by achiral Brønsted acid.

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Published in Chem Sci on May 17, 2017

Authors

Weijun Yao1, Zhaoyuan Yu2, Shan Wen3, Huanzhen Ni3, Nisar Ullah4, Yu Lan2, Yixin Lu5,6,7

Author Affiliations

1: Department of Chemistry , Zhejiang Sci-Tech University , 310018 , P. R. China.
2: School of Chemistry and Chemical Engineering , Chongqing University , Chongqing 400030 , P. R. China . Email: lanyu@cqu.edu.cn.
3: Department of Chemistry , National University of Singapore , 3 Science Drive 3 , Singapore 117543 . Email: chmlyx@nus.edu.sg.
4: Chemistry Department , King Fahd University of Petroleum and Materials , Dhahran 31261 , Saudi Arabia . Email: nullah@kfupm.edu.sa.
5: Graduate School for Integrative Sciences & Engineering (NGS) , National University of Singapore , #05-01, 28 Medical Drive , 117456 , Singapore . Email: chmlyx@nus.edu.sg.
6: Department of Chemistry , National University of Singapore , 3 Science Drive 3 , 117543 , Singapore.
7: National University of Singapore (Suzhou) Research Institute , 377 Lin Quan Street, Suzhou Industrial Park , Suzhou , Jiangsu 215123 , P. R. China.

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