Chemistry Letters p. 2055 - 2058 (1994)
Update date:2022-08-25
Topics:
Takagi, Kentaro
Shimoishi, Yasuaki
Sasaki, Ken
A facile and efficient synthetic procedure of o-phenylenedizinc(II) compound from o-diiodobenzene and zinc powder under the irradiation of ultrasound is reported.The compound was proved to be a unique reagent supplying o-phenylenedianion of high chemoselectivity.Symetrically 1,2-diaryl or diaroyl substiituted benzenes were obtained in good yields by Pd(0)-catalyzed cross-coupling of the compound with aryl halides or acyl halides.
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