Enantioselective additive pummerer-type reaction in chiral, non-racemic vinyl sulfoxides induced by O-silylated ketene acetal

DOI: 10.1248/cpb.44.892

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 892 - 894 (1996)

Update date:2022-07-29

Topics:

Authors:

Shibata, Norio

Fujimori, Chino

Fujita, Shigekazu

Kita, Yasuyuki

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Article abstract of DOI:10.1248/cpb.44.892

Treatment of chiral, non-racemic vinyl sulfoxides with O-silylated ketene acetal in the presence of a catalytic amount of zinc chloride in tetrahydrofuran resulted in an enantioselective Pummerer-type reaction, affording a considerable yield of the corresponding enantiomerically enriched methyl 4-siloxy-4-sulfenylbutyrate in 78-82% ee.

Full text of DOI:10.1248/cpb.44.892

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