Organic compounds -- part of the class 532-570 series – Organic compounds – 9,10-seco-cyclopentanohydrophenanthrene ring system or...
Patent
1989-10-12
1990-11-27
Lipovsky, Joseph A.
Organic compounds -- part of the class 532-570 series
Organic compounds
9,10-seco-cyclopentanohydrophenanthrene ring system or...
C07J 900
Patent
active
049737210
ABSTRACT:
Novel Vitamin D.sub.3 derivatives of the following formula ##STR1## wherein R represents a hydrogen atom or a lower alkyl group. These compounds have an activity of inducing differentiation of tumor cells, and are useful for anti-tumor agents. On the other hand, the compounds have almost no vitamin D activity.
REFERENCES:
patent: 4897387 (1990-01-01), Ikekawa et al.
Eguchi Tadashi
Ikekawa Nobuo
Lipovsky Joseph A.
Yamanouchi Pharmaceutical Co. Ltd.
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