Tetrahedron Letters p. 4779 - 4782 (1984)
Update date:2022-09-26
Topics:
Shimagaki, Masayuki
Matsuzaki, Yuji
Hori, Isaburo
Nakata, Tadashi
Oishi, Takeshi
Alkylation of α-methylthio or α-phenylthio ketones 1 with trimethyloxonium tetrafluoroborate and the reduction of the resulting sulfonium salts 5 with NaBH4 followed by the base treatment afforded trans epoxides 8 with high stereoselectivity.
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