Cp. Gao et As. Hay, A NEW SIMPLE METHOD FOR THE SYNTHESIS OF HYDROXY-SUBSTITUTED 1,2-DIPHENYLCYCLOPROPANES, Synthetic communications, 25(12), 1995, pp. 1877-1883
Mono and dihydroxysubstituted-1,2-diphenylcyclopropanes were synthesiz
ed by base catalyzed decomposition of the corresponding hydroxy substi
tuted 3,5-diphenyl-2-pyrazolines which were the products of the reacti
on between hydroxychalcones and hydrazine monohydrate.