Tantalum-Alkyne Complexes as Synthetic Intermediates. Stereoselective Preparation of Trisubstituted Allylic Alcohols from Acetylenes and Aldehydes

Kazuhiko Takai; Yasutaka Kataoka; Kiitiro Utimoto

doi:10.1021/jo00293a008

Tantalum-Alkyne Complexes as Synthetic Intermediates. Stereoselective Preparation of Trisubstituted Allylic Alcohols from Acetylenes and Aldehydes

Kazuhiko Takai, Yasutaka Kataoka, Kiitiro Utimoto

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

60 Citations (Scopus)

Abstract

A variety of tantalum-alkyne complexes have been generated (but not isolated) by treatment of alkynes with low-valent tantalum derived from TaCl5 and zinc. These complexes add to carbonyl compounds in a one-to-one fashion to yield (E)-allylic alcohols, regio- and stereoselectively.

Original language	English
Pages (from-to)	1707-1708
Number of pages	2
Journal	Journal of Organic Chemistry
Volume	55
Issue number	6
DOIs	https://doi.org/10.1021/jo00293a008
Publication status	Published - 1990
Externally published	Yes

ASJC Scopus subject areas

Organic Chemistry

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10.1021/jo00293a008

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abstract = "A variety of tantalum-alkyne complexes have been generated (but not isolated) by treatment of alkynes with low-valent tantalum derived from TaCl5 and zinc. These complexes add to carbonyl compounds in a one-to-one fashion to yield (E)-allylic alcohols, regio- and stereoselectively.",

author = "Kazuhiko Takai and Yasutaka Kataoka and Kiitiro Utimoto",

year = "1990",

doi = "10.1021/jo00293a008",

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AU - Takai, Kazuhiko

AU - Kataoka, Yasutaka

AU - Utimoto, Kiitiro

PY - 1990

Y1 - 1990

N2 - A variety of tantalum-alkyne complexes have been generated (but not isolated) by treatment of alkynes with low-valent tantalum derived from TaCl5 and zinc. These complexes add to carbonyl compounds in a one-to-one fashion to yield (E)-allylic alcohols, regio- and stereoselectively.

AB - A variety of tantalum-alkyne complexes have been generated (but not isolated) by treatment of alkynes with low-valent tantalum derived from TaCl5 and zinc. These complexes add to carbonyl compounds in a one-to-one fashion to yield (E)-allylic alcohols, regio- and stereoselectively.

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Tantalum-Alkyne Complexes as Synthetic Intermediates. Stereoselective Preparation of Trisubstituted Allylic Alcohols from Acetylenes and Aldehydes

Abstract

ASJC Scopus subject areas

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