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Chirality Transfer in Gold-Catalyzed Carbothiolation of o-Alkynylphenyl 1-Arylethyl Sulfides

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posted on 03.07.2008, 00:00 by Itaru Nakamura, Takuma Sato, Masahiro Terada, Yoshinori Yamamoto
Chirality transfer in gold-catalyzed carbothiolation of o-alkynylphenyl 1-arylethyl sulfides 1 proceeded with retention of the configuration at the 1-arylethyl group. This result suggests that the [1,3] migration of 1-arylethyl group proceeds through formation of the contact ion pair B followed by C−C bond formation.