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Synthesis 2002(2): 0199-0202
DOI: 10.1055/s-2002-19801
DOI: 10.1055/s-2002-19801
PAPER
© Georg Thieme Verlag Stuttgart · New York
A Facile and Expedient Route to Allyl and Propargyl Amines Using N-(α-Benzotriazolylalkyl)amines as Stabilized Iminium Salts
Further Information
Received
21 August 2001
Publication Date:
03 August 2004 (online)
Publication History
Publication Date:
03 August 2004 (online)
Abstract
N-(α-Benzotriazolylalkyl)amines 1a-g serve as stabilized iminium salts for the preparation of allylamines 3a-i in 82-94% yield in two steps starting from benzotriazole, an amine, an aldehyde, and the corresponding vinyl Grignard. Propargylamines 7a-e were also prepared in good yields following the same approach using propargyl Grignard reagents.
Key words
allylamines - propargylamines - benzotriazole - grignard reaction - iminium salts
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