Process for the preparation of optionally 2-substituted 5-chloro

Details Process for the preparation of optionally 2-substituted 5-chloro Process for the preparation of optionally 2-substituted 5-chloro

1996-05-10

1997-12-16

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23364

Patent

active

056987072

ABSTRACT:
A process for the preparation of 2-substituted 5-chloroimidazole-4-carbaldehydes of the general formula: ##STR1## wherein R is hydrogen, an alkyl group, an alkenyl group, a cycloalkyl group, a benzyl group or a phenyl group. The imidazole compounds are important starting products for the preparation of hypotensive pharmaceuticals or herbicides.

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patent: 4345935 (1982-08-01), Thibault
patent: 4355040 (1982-10-01), Furukawa et al.
patent: 5395943 (1995-03-01), Yamamoto et al.
patent: 5442076 (1995-08-01), Gosteli et al.
patent: 5486617 (1996-01-01), Griffiths et al.
patent: 5508425 (1996-04-01), Griffiths et al.
patent: 5565577 (1996-10-01), Mokhallalati et al.
Watson, A convenient synthesis of 2-butyl-4(5)-chloro-1H-imidazole-5(4)carboxaldehyde, Synthetic Communications, 22(20), pp. 2971-2977 (1992).

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