ANTHRACYCLINE GLYCOSIDE AND METHOD OF ITS SYNTHESIS Russian patent published in 1997 - IPC

Abstract RU 2073681 C1

FIELD: organic chemistry, antibiotics. SUBSTANCE: product: anthracycline glycoside of the formula (I) where: R1 - hydrogen, F, -OH or NH2; R2 and R3 - both mean -OH or one of R2 and R3 means H, NO2 or NH2 and other - -OH; R4-CH3 or CH2OH. Reagent 1: the corresponding aglycone. Reagent 2: 1-haloid-2,3,4,6-tetradeoxy-4-(N-trifluoroacetamido)-L-erythrohexapyranoside. The following reaction are possible: a) conversion of the end product to pharmaceutically acceptable salt; b) transformation of radicals R2 or R3 from nitro- to amino-group; c) transformation of radical R4 through bromo-derivative. Synthesized compounds were used in medicine as antitumor agents. EFFECT: improved method of synthesis. 1 tbl

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RU 2 073 681 C1

Authors

Franchesko Angeluchchi[It]

Al'Berto Bardzhotti[It]

Dan'Ela Fajardi[It]

Stefania Stefanelli[It]

Antonio Suarato[It]

Dates

1997-02-20Published

1990-02-02Filed