MONOMETHYLATION OF UNSYMMETRICAL 1,8-DIHYDROXY-9,10-ANTHRAQUINONES

MONOMETHYLATION OF UNSYMMETRICAL 1,8-DIHYDROXY-9,10-ANTHRAQUINONES[J]. Journal of China Pharmaceutical University, 1987, (3): 161-164.

Citation:

MONOMETHYLATION OF UNSYMMETRICAL 1,8-DIHYDROXY-9,10-ANTHRAQUINONES[J]. Journal of China Pharmaceutical University, 1987, (3): 161-164.

Citation:

MONOMETHYLATION OF UNSYMMETRICAL 1,8-DIHYDROXY-9,10-ANTHRAQUINONES[J]. Journal of China Pharmaceutical University, 1987, (3): 161-164.

Abstract

The monomethylation of the hydroxy groups of the unsymmetrical 1,8 dihydroxy-9, 10-anthraquinones was studied. Dimethyl sulfate, diazomethane and methyl iodide-silver oxide were used as methylating agents to react with aloe emodin, rhein methyl ester and

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