Tetrahedron Letters p. 3955 - 3958 (1997)
Update date:2022-08-16
Topics:
Saito, Akiko
Saito, Kazumi
Tanaka, Akira
Oritani, Takayuki
Treatment of the salt generated from 2,4,4,6-tetrabromo-2,5-cyclohexadienone and PPh3 in a mixed solvent of CH3CN/toluene with primary and secondary alcohols in the presence of Zn(N3)2·Py led to azides in excellent yields with inversion of configuration. Addition of hexamethylphosphorictriamide considerably accelerated the reaction.
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