An Efficient Synthesis of Aurone Derivatives by the Tributylphosphine-catalyzed Regioselective Cyclization of o-Alkynoylphenols
作者： Koya Saito , Masahito Yoshida , Takayuki Doi
DOI: 10.1246/CL.140910
关键词:
摘要: Aurones are prepared by 5-exo cyclization of alkynoylphenols without the formation corresponding flavones, except for substrates possessing a halogen atom on phenol ring.
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