Regioselectivity in the Reaction of Tantalum-Unsymmetrical Acetylene Complexes with Carbonyl Compounds. Stereoselective Preparation of 1-Alkenyl Sulfides, α,β-Unsaturated Esters, and Amides

DOI: 10.1021/jo00051a023

Source and publish data:

Journal of Organic Chemistry p. 6796 - 6802 (1992)

Update date:2022-08-04

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Authors:

Kataoka, Yasutaka

Miyai, Jiro

Tezuka, Makoto

Takai, Kazuhiko

Utimoto, Kiitiro

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Article abstract of DOI:10.1021/jo00051a023

Tantalum-alkyne complexes, derived by treatment of alkynes with low-valent tantalum (TaCl5 and zinc), react in situ with carbonyl compounds to give (E)-allylic alcohols stereoselectively.When unsymmetrical acetylenes are employed in the reaction, two regi

Full text of DOI:10.1021/jo00051a023

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