FIELD: organic chemistry. SUBSTANCE: product: crystalline etopozide 4′-phosphate diethanolsolvate of the formula (I) (image), m. p. is 160-172 C, empirical formula is C29H33O16P·2C2H6O., yield is 91% Reagent 1: 4′-phosphate etopozide. Reagent 2: absolute ethanol or methanol, at boiling with reflux condenser. Reagent 3: (when ethanol is used) water. Synthesized compound were used as an antitumor preparation. EFFECT: improved method of synthesis. 5 cl, 2 dwg, 1 tbl
Authors
Dates
1995-08-27—Published
1992-09-30—Filed