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Synthesis of oxazoles through Pd-catalyzed cycloisomerization–allylation of N-propargylamides with allyl carbonates

✍ Scribed by Akio Saito; Koichi Iimura; Yuji Hanzawa

Book ID: 104097357
Publisher: Elsevier Science
Year: 2010
Tongue: French
Weight: 816 KB
Volume: 51
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2010.01.018

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✦ Synopsis

In the presence of Pd 2 (dba) 3 -Cy 3 P catalyst, IPrÁHCl salt [IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2ylidene], and Cs 2 CO 3 , N-propargylamides react with allyl carbonates to give 2,5-disubstituted oxazoles having homoallyl groups through the tandem cycloisomerization-allylation.

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