Tetrahedron Letters p. 3963 - 3966 (1997)
Update date:2022-08-04
Topics:
Kimura, Masanari
Wakamiya, Yoshinori
Horino, Yoshikazu
Tamaru, Yoshinao
4-Ethenylidene-2-oxazolidinones 2, 6, and 9 are prepared in reasonable yields by the reaction of 2-butyn-1,4-diol biscarbamates in the presence of catalytic amounts of Pd2(dba)3·CHCl3 (0.005 equiv) and triethylamine (0.1 e
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