FIELD: organic chemistry. SUBSTANCE: product: 4-fluoro-2 -{[(4-methoxy-2- pyridinyl)methyl] sulfinyl} -1H-benzimidazole (I), empirical formula is C14H15FN3O2S, yield is 89% or its physiologically acceptable salt, intermediate 4-fluoro -2-mercapto-1H- benzimidazole, empirical formula is C7H5FN2S and 4-fluoro -2-{[(4- methoxy-2- pyridinyl) methyl]thio} -1H-benzimidazole (II), empirical formula is C14H15FN3OS. Reagent 1: compound (II). Reagent 2: m-chlorobenzoic acid. Reaction conditions: isolation as a free form or as a salt. Synthesized compounds were used in medicine. EFFECT: improved method of synthesis. 8 cl, 3 tbl
Title |
Year |
Author |
Number |
5-FLUORO-2-{[(4-CYCLOPROPYLMETHOXY-2-PYRIDINYL)METHYL]SULFINYL}-1H-BENZIMIDAZOLE OR ITS PHYSIOLOGICALLY ACCEPTABLE SALT, PHARMCOMPOSITION BASED ON THEREOF AND INTERMEDIATE COMPOUNDS |
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|
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5-CHLORO-2-[(3,4-DIMETHOXY-2-PYRIDINYL)METHYL]SULFINYL)- 1H-BENZIMIDAZOLE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PROCESS FOR PREPARATION, PHARMACEUTICAL COMPOSITION AND 5-CHLORO-2-[(3,4-DIMETHOXY-2- PYRIDINYL)METHYL)THIO]-1H-BENZIMIDAZOLE |
1989 |
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OPTICALLY PURE Na, Mg, Li, K OR Ca SALTS OF (-)-5-METHOXY-2-[[(4- -METHOXY-3,5-DIMETHYL-2-PYRIDINYL)METHYL]SULFINYL]-1H-BENZ-IMIDAZOLE, METHOD OF THEIR SYNTHESIS, PHARMACEUTICAL COMPOSITION BASED ON SAID AND INTERMEDIATE COMPOUND |
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METHOD OF SYNTHESIS OF 5-METHOXY-2-[[(4-METHOXY-3,5-DIMETHYL- 2-PYRIDINYL)- METHYL]-SULFINYL]-1H-BENZIMIDAZOLE |
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IMPROVED METHOD OF SYNTHESIS OF 5-METHOXY-2-[(4-METHOXY-3,5-DIMETHYL-2- PYRIDYL)METHYL]SULFINYL-1H-BENZIMIDAZOLE |
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