Asymmetric Michael addition reaction of methyl phenylthioacetate to 2-cyclopentenone catalyzed by chiral crown - KOtBu complexes

Shin Aoki; Shigeki Sasaki; Kenji Koga

doi:10.3987/com-91-s63

Asymmetric Michael addition reaction of methyl phenylthioacetate to 2-cyclopentenone catalyzed by chiral crown - KOtBu complexes

Shin Aoki, Shigeki Sasaki, Kenji Koga

Chemo-Pharmaceutical Sciences

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

Asymmetric Michael addition reaction of methyl phenylthioacetate (12) to 2-cyclopentenone (11) using chiral crown ether - KOtBu complexes as catalysts is reported. Crown (7) has been found to give 14 of 71%ee (enantiomeric excess).

Original language	English
Pages (from-to)	493-495
Number of pages	3
Journal	Heterocycles
Volume	33
Issue number	2
DOIs	https://doi.org/10.3987/com-91-s63
Publication status	Published - Apr 1 1992

All Science Journal Classification (ASJC) codes

Analytical Chemistry
Pharmacology
Organic Chemistry

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title = "Asymmetric Michael addition reaction of methyl phenylthioacetate to 2-cyclopentenone catalyzed by chiral crown - KOtBu complexes",

abstract = "Asymmetric Michael addition reaction of methyl phenylthioacetate (12) to 2-cyclopentenone (11) using chiral crown ether - KOtBu complexes as catalysts is reported. Crown (7) has been found to give 14 of 71%ee (enantiomeric excess).",

author = "Shin Aoki and Shigeki Sasaki and Kenji Koga",

year = "1992",

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doi = "10.3987/com-91-s63",

language = "English",

volume = "33",

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journal = "Heterocycles",

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publisher = "Japan Institute of Heterocyclic Chemistry",

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T1 - Asymmetric Michael addition reaction of methyl phenylthioacetate to 2-cyclopentenone catalyzed by chiral crown - KOtBu complexes

AU - Aoki, Shin

AU - Sasaki, Shigeki

AU - Koga, Kenji

PY - 1992/4/1

Y1 - 1992/4/1

N2 - Asymmetric Michael addition reaction of methyl phenylthioacetate (12) to 2-cyclopentenone (11) using chiral crown ether - KOtBu complexes as catalysts is reported. Crown (7) has been found to give 14 of 71%ee (enantiomeric excess).

AB - Asymmetric Michael addition reaction of methyl phenylthioacetate (12) to 2-cyclopentenone (11) using chiral crown ether - KOtBu complexes as catalysts is reported. Crown (7) has been found to give 14 of 71%ee (enantiomeric excess).

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DO - 10.3987/com-91-s63

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VL - 33

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EP - 495

JO - Heterocycles

JF - Heterocycles

IS - 2

ER -

Asymmetric Michael addition reaction of methyl phenylthioacetate to 2-cyclopentenone catalyzed by chiral crown - KOtBu complexes

Abstract

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