4-FLUORO-2-{[ (4-METHOXY- 2-PYRIDINYL)METHYL]SULFINYL} -1H-BENZI- MIDAZOLE OR ITS PHYSIOLOGICALLY ACCEPTABLE SALTS, METHOD OF THEIR SYNTHESIS, AND PHARMACEUTICAL COMPOSITION OF 4-FLUORO -2-MERCAPTO-1H- BENZIMIDAZOLE AND 4-FLUORO -2-{[(4- METHOXY-2-PYRIDINYL) METHYL]THIO}-1H -BENZIMIDAZOLE Russian patent published in 1995 - IPC

Abstract RU 2042673 C1

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

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RU 2 042 673 C1

Authors

Arne Ehlof Brehndstrem[Se]

Per Lennart Lindberg[Se]

Gunnel' Ehlisabet Sjunden[Se]

Dates

1995-08-27Published

1991-06-21Filed