Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1994-09-23
1997-01-28
Owens, Amelia
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549268, A61K 31335, C07D31300
Patent
active
055978460
ABSTRACT:
A compound of the formula ##STR1## in which: R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen atoms and groups of formula R.sup.3 --CO--, wherein R.sup.3 represents a group selected from the group consisting of unsubstituted alkyl groups having from 9 to 20 carbon atoms; substituted alkyl groups having from 10 to 20 carbon atoms; unsubstituted alkenyl groups having from 9 to 20 carbon atoms; substituted alkenyl group having from 10 to 20 carbon atoms; unsubstituted alkynyl groups having from 8 to 10 carbon atoms; and substituted alkynyl groups having from 8 to 10 carbon atoms wherein R.sup.1 and R.sup.2 are not both hydrogen atoms or acetyl groups. The compounds have antitumor activity.
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Iino Kimio
Kagasaki Takeshi
Kobayashi Tomowo
Shimada Yoko
Sugimura Yukio
Owens Amelia
Sankyo Company Limited
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