Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1998-04-29
1999-11-30
Chang, Ceila
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
540536, 548525, C07D40912
Patent
active
059945478
ABSTRACT:
The preparation of benzo[b]thiophenes by the acylation of alkoxy protected starting materials followed by demethylation using essentially odorless thiol compounds are provided herewith. Demethylation may be carried out in the same reaction vessel without isolation of the acylated, protected material.
REFERENCES:
patent: 3394125 (1968-07-01), Crenshaw
patent: 3413305 (1968-11-01), Crenshaw
patent: 4133814 (1979-01-01), Jones et al.
patent: 4358593 (1982-11-01), Jones et al.
patent: 4380635 (1983-04-01), Peters
patent: 4418068 (1983-11-01), Jones et al.
patent: 5223510 (1993-06-01), Gubin et al.
patent: 5395842 (1995-03-01), Labrie et al.
patent: 5455315 (1995-10-01), Paine et al.
patent: 5470854 (1995-11-01), Angerer et al.
patent: 5472962 (1995-12-01), Sagamihara et al.
patent: 5482949 (1996-01-01), Black et al.
patent: 5552412 (1996-09-01), Cameron et al.
patent: 5629425 (1997-05-01), Labell et al.
Kirk-Othmer "Encyclopedia of chemical technology" J. Wiley & Sons, p. 946-964, 1983.
Jones, C.D., et al, J. Med. Chem. 27(8)1057-1066 (1971).
Romeo Wagner, Synthetic Organic Chemistry, (171-172) (1953).
Jones, C.D., et al J. Med Chem. 35(5) 931-938(1992).
Kym, R.P. et al, J. Med. Chem., 36 (24), 3911-3921 (1993).
Jackson, T.G., et al J. Chem. Soc. 1728-1729 (1969).
Kametani, et al J. Org. Chem. 41 (15) 2545-2547 (1976).
Crenshaw, R.R., et al J. Med. Chem. 14(12) 1185-1190 (1971).
Hoard David Warren
Luke Wayne Douglas
Chang Ceila
Eli Lilly and Company
Voy Gilbert T.
LandOfFree
Process for preparing benzo[b]thiophenes 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 preparing benzo[b]thiophenes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing benzo[b]thiophenes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1674544