Process for the preparation of 5(6)-thio substituted benzimidazo

Details Process for the preparation of 5(6)-thio substituted benzimidazo Process for the preparation of 5(6)-thio substituted benzimidazo

1984-03-21

1986-07-08

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23530, C07D23532

Patent

active

045994285

ABSTRACT:
A process is disclosed for the preparation of a compound of the formula (XI) ##STR1## or a salt thereof, wherein R.sup.1 is hydrogen, halogen, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.3 alkoxy, or trifluoromethyl;

REFERENCES:
patent: 3929821 (1975-12-01), Beard et al.
Imidazole and its Derivatives, Part I, Hofmann, Klaus, pp. 249, 254, 255, and 279, Interscience Publishers, New York 1953.
Benzimidazoles and Congeneric Tricyclic Compounds, Part I, Preston, P. N., pp. 87-89 and 332-333, Interscience Publishers, New York.
Chemical Reviews, Shriner, Ralph L., vol. 49, pp. 10 and 78-80, Williams & Wilkins Co., Baltimore, 1951.

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