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Direct Synthesis of Alkynylstannanes: ZnBr 2 Catalyst for the Reaction of Tributyltin Methoxide and Terminal Alkynes
Author(s) -
Kiyokawa Kensuke,
Tachikake Nodoka,
Yasuda Makoto,
Baba Akio
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201104208
Subject(s) - catalysis , methoxide , chemistry , lewis acids and bases , tributyltin , terminal (telecommunication) , combinatorial chemistry , organic chemistry , computer science , computer network
Metal hopping : Various alkynylstannanes were synthesized by the direct reaction of Bu 3 SnOMe with terminal alkynes at room temperature in the presence of a ZnBr 2 catalyst. Rather than acting as a Lewis acid, ZnBr 2 was transmetalated with Bu 3 SnOMe to give Zn(OMe) 2 , which is key to the catalytic reaction.
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