Method for preparing antitumor substance BE-13793C derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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536 168, 536 221, 536 271, 514 42, 514 43, C07H 1923

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active

055368271

ABSTRACT:
This invention relates to 12,13-dihydro-6H-indolo[2,3-a]pyrrolo[3,4-c]carbazole-5,7(6H)-dione derivatives represented by the following general formula, pharmaceutically acceptable salts thereof, a method for preparation thereof and a use thereof: ##STR1## [wherein R.sup.1 denotes a monosaccharide group having 5 to 7 carbon atoms, and the hydroxyl groups of this monosaccharide group can be replaced by the same or different 1 to 3 groups selected from the group consisting of a hydrogen atom, lower alkyl group, lower alkylcarbonyloxy group and lower alkoxy group.]

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