Research, Incorporated

John E Mills

Andrew S Kende

Yuh-Geng Tsay

There is provided a novel method of synthesizing certain tetracyclic quinones. In particular, there is provided a novel route to the synthesis of (+)-7-deoxydaunomycinone and analogs thereof, which includes the provision of novel tri- and tetracyclic quinone intermediates. The -7-deoxydaunomycinone derived from naturally occurring daunomycin is a known compound, which is itself an intermediate in the preparation of the clinically accepted anti-tumor antibiotics daunomycine and its derivative adriamycin.

Intermediates for polycyclic quinonoid antibiotics

There is provided a novel method of synthesizing certain tetracyclic quinones. In particular, there is provided a novel route to the synthesis of (.+-.)-7-deoxydaunomycinone and analogs thereof, which includes the provision of novel tri- and tetracyclic quinone intermediates. The -7-deoxydaunomycinone derived from naturally occurring daunomycin is a known compound, which is itself an intermediate in the preparation of the clinically accepted anti-tumor antibiotics daunomycine and its derivative adriamycin.

Intermediates for polycyclic quinoid antibiotics

There is provided a novel method of synthesizing certain tetracyclic quinones. In particular, there is provided a novel route to the synthesis of certain analogs of (+)-7-deoxydaunomycinone which includes the provision of novel tri- and tetracyclic quinone intermediates. The products of the synthetic route provided herein may be converted into compounds of known anti-neoplastic activity.

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Rochester, NY, United States of America

John E Mills