Tantalum pentachloride-catalyzed reactions of alkynes with Et3Al

[Display omitted] Tantalum pentachloride-catalyzed reaction of 1,2-dialkyl-acetylenes with Et3Al affords regio- and stereoselectively tetraalkyl-substituted (Z,E)-hexa-1,3-dienes and (Z)-tri-substituted olefins in a ratio of 2 : 1. In cases of 1-alkynylphosphines, 1-alkynylsilanes and 2-alkynylamine...

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Bibliographic Details
Published inMendeleev communications Vol. 33; no. 5; pp. 693 - 695
Main Authors Kadikova, Rita N., Amirova, Aliya K., Mozgovoj, Oleg S., Ramazanov, Ilfir R.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.09.2023
Subjects
1-alkynylphosphines
dialkyl-substituted alkynes
dienes
ethylalumination
homocoupling
tantalum(v) pentachloride
triethylaluminum
tantalum(v) pentachloride
homocoupling
dienes
dialkyl-substituted alkynes
1-alkynylphosphines
ethylalumination
triethylaluminum
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Summary:[Display omitted] Tantalum pentachloride-catalyzed reaction of 1,2-dialkyl-acetylenes with Et3Al affords regio- and stereoselectively tetraalkyl-substituted (Z,E)-hexa-1,3-dienes and (Z)-tri-substituted olefins in a ratio of 2 : 1. In cases of 1-alkynylphosphines, 1-alkynylsilanes and 2-alkynylamines, the corresponding functionalized monoolefins are formed.
ISSN:0959-9436
DOI:10.1016/j.mencom.2023.09.032