Organocatalytic, asymmetric synthesis of 3-sulfenylated N-boc-protected oxindoles |
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| Authors: | Chuan Wang Xuena Yang Charles C J Loh Gerhard Raabe Dieter Enders |
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| Institution: | Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany), Fax: (+49)?241-809-2127. |
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| Abstract: | Sulfenylated oxindoles: The first asymmetric sulfenylation of N-Boc-protected oxindoles has been developed to provide products containing a tetrasubstituted stereogenic center in high to excellent yields (86-98?%) and, in most cases, excellent enantioselectivities (up to 96?%?ee; see scheme). |
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