Asymmetric Synthesis of Sulfinamides Using (−)-Quinine as Chiral Auxiliary
2012
Zhang, Yongda | Chitale, Sampada | Goyal, Navneet | Li, Guisheng | Han, Zhengxu S. | Shen, Sherry | Ma, Shengli | Grinberg, Nelu | Lee, Heewon | Lu, Bruce Z. | Senanayake, Chris H.
A process has been designed and demonstrated for the asymmetric synthesis of sulfinamides using quinine as auxiliary. A variety of chiral sulfinamides including N-alkyl sulfinamides with diverse structure were prepared in good yields and excellent enantioselectivity starting from easily available and inexpensive reagents. The auxiliary quinine could be recovered and recycled.
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