Dehydrogenation of seven dihydrooxazoles I (R1 = Ph, octyl, Me, Ph, 2-naphthyl, CO2Me, hexyl; R2 = H, NO2; R3 = Me, Ph, (CH2)2CO2Me) with γ-MnO2 gave 97-100% oxazoles II.
Active γ-manganese dioxide promoted conversion of 4,5-dihydro-1,2-oxazoles to 1,2-oxazoles.
BARCO, Achille;BENETTI, Simonetta;POLLINI, Gian Piero;BARALDI, Pier Giovanni
1977
Abstract
Dehydrogenation of seven dihydrooxazoles I (R1 = Ph, octyl, Me, Ph, 2-naphthyl, CO2Me, hexyl; R2 = H, NO2; R3 = Me, Ph, (CH2)2CO2Me) with γ-MnO2 gave 97-100% oxazoles II.File in questo prodotto:
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