Process for the preparation of 3-aryl-benzofuranones

Details Process for the preparation of 3-aryl-benzofuranones Process for the preparation of 3-aryl-benzofuranones

2006-01-24

2006-01-24

Solola, Taofiq (Department: 1626)

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C544S257000, C546S102000, C546S108000, C546S152000, C546S278400, C548S265800, C548S463000, C548S525000, C549S060000, C549S223000, C549S299000, C549S304000

Reexamination Certificate

active

06989446

ABSTRACT:
Process for the preparation of compounds of formula Iwherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula Vwherein the general symbols are as defined in claim 1, with carbon monoxide in the presence of a catalyst.

REFERENCES:
patent: 4006252 (1977-02-01), Lerner
patent: 4325863 (1982-04-01), Hinsken et al.
patent: 5607624 (1997-03-01), Nesvadba et al.
patent: 0176370 (1986-04-01), None
patent: 0648765 (1995-04-01), None
patent: 80/01566 (1980-08-01), None
L. Jurd, J. Heterocyclic Chem. vol. 25, (1988), pp. 89-96.
C. Wörner et al. Angew. Chem. Int. Ed. Engl., vol. 32, No. 9, (1993), pp. 1306-1308.
Chem. Abstr. 100:149865 foR M. Benson et al., Org. Magn. Reson. vol. 22. No. 2, (1984), pp. 86-89.
Chem. Abstr. 76:140285 for C. Brieskorn et al., Arch. Pharm. (Weinheim), (1972), vol. 305, No. 2, pp. 141-148.
Patent Abstracts of Japan Publication No. 05005913, (1993).
R. F. Heldeweg et al., J. Am. Chem. Soc. vol. 98, No. 19, (1976), pp. 6040-6042.
Patent Abstracts of Japan Publication No. 05323600, (1993).

Affiliated with

Also associated with

Rating

Process for the preparation of 3-aryl-benzofuranones does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of 3-aryl-benzofuranones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of 3-aryl-benzofuranones will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3542325