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  • Synthesis of phenol derivatives from cyclohex-2-enones bearing an alkyne through Lewis acid-catalyzed enolization and intramolecular Alder-Rickert reaction.

Synthesis of phenol derivatives from cyclohex-2-enones bearing an alkyne through Lewis acid-catalyzed enolization and intramolecular Alder-Rickert reaction.

The Journal of organic chemistry (2012-09-26)
Atsushi Kinbara, Takehiro Yamagishi, Naoko Hanzawa, Etsuko Kawashima, Hiroaki Miyaoka
ABSTRACT

A cationic rhodium(I) complex- or In(OTf)(3)-catalyzed synthesis of phenol derivatives from cyclohex-2-enone having an ethoxycarbonyl-substituted alkyne has been achieved. This reaction proceeds via enolization and an intramolecular Alder-Rickert reaction.

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