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  • Nickel-catalyzed regioselective carbocyclization of ortho-halophenyl ketones with propiolates: an efficient route to disubstituted indenols.

Nickel-catalyzed regioselective carbocyclization of ortho-halophenyl ketones with propiolates: an efficient route to disubstituted indenols.

Chemical communications (Cambridge, England) (2002-07-19)
Dinesh Kumar Rayabarapu, Chien-Hong Cheng
ABSTRACT

Carbocylization of o-halophenyl ketones with propiolates in the presence of Ni(dppe)Br2 and Zn powder in acetonitrile at 80 degrees C afforded the corresponding 2,3-disubstituted indenols.

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Methyl 2-octynoate, 99%
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