Intermediates for imidazopyridines

Details Intermediates for imidazopyridines Intermediates for imidazopyridines

1995-10-19

1997-04-08

Dentz, Bernard

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

Organic compounds

Carboxylic acid esters

556442, C07C 6976

Patent

active

056189699

ABSTRACT:
The present invention provides an industrially advantageous process for preparing a 2-alkyl-3-(biphenyl-4-yl)methyl-3H-imidazo[4,5-b]pyridine derivative represented by the following formula (II) which is a precursor of an antagonist against an angiotensin II receptor useful as an antihypertensive drug, a biphenyl derivative which is a precursor of the substituent of the pyridine derivative, a process for the preparation thereof, and an intermediate useful for the preparation of the biphenyl derivative: ##STR1##

REFERENCES:
patent: 5102880 (1992-04-01), Chakravarty et al.
patent: 5157026 (1992-10-01), Chakravarty et al.
patent: 5332744 (1994-07-01), Chakravarty et al.
patent: 5358950 (1994-10-01), Bru-Magniez et al.
Organic Syntheses, Collective vol. 2, rev. of Annual vols. X-XIX, pp. 134-137. (1981).
A.I. Meyers, et al., J. Org. Chem., vol. 39, No. 18, 1974, pp. 2778-2783.
Nicholas A. Cortese, et al., J. Org. Chem., vol. 42, No. 22, 1977 pp. 3491-3495.
Mervyn Israel, et al., Pyridopyrazines and Imidazopyridines, vol. 24, Oct. 1959, pp. 1455-1460.
Harold Graboyes, et al., Synthesis of Imidazopyridines and Pyridotriazoles, vol. 79, Dec. 20, 1957, pp. 6421-6427.
A.I. Meyers, et al., J. Org. Chem., vol. 43, No. 7, 1978, pp. 1372-1379.
Atwal, K. et al., J.Med. Chem. 1992, 35, (pp. 4751-4763).

Affiliated with

Also associated with

Rating

Intermediates for imidazopyridines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Intermediates for imidazopyridines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intermediates for imidazopyridines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2398819