BF3·Et2O-Promoted Cleavage of the C(sp)—C(sp2) Bond of 2-Propynolphenols/Anilines: Route to C2-Alkenylated Benzoxazoles and Benzimidazoles.

Xian‐Rong Song,Yi-Feng Qiu,Bo Song,Xin-Hua Hao,Ya-Ping Han,Pin Gao,Xue‐Yuan Liu,Yong min Liang

BF3·Et2O-Promoted Cleavage of the C(sp)—C(sp2) Bond of 2-Propynolphenols/Anilines: Route to C2-Alkenylated Benzoxazoles and Benzimidazoles.

2015

Xian‐Rong Song
Yi-Feng Qiu
Bo Song
Xin-Hua Hao
Ya-Ping Han
Pin Gao
Xue‐Yuan Liu
Yong min Liang

Propargylic alcohols of type (I) and (V) having an ortho-hydroxyphenyl substituent undergo a BF3-promoted reaction with azide to yield 2-alkylated benzoxazoles (II) and (VI).

Keywords:

Cleavage (embryo)
Azide
Medicinal chemistry
Substituent
Organic chemistry
Chemistry

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