Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Allergen or component thereof
Patent
1976-03-01
1977-07-12
Jaisle, Cecilia M.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Allergen or component thereof
260328, 260335, 424283, C07D31190
Patent
active
040355039
ABSTRACT:
The present invention relates to novel xanthene and thioxanthene derivatives of the following general formula: ##STR1## wherein Y represents sulfur or oxygen, R.sup.1 represents hydrogen, chlorine, trifluoromethyl or dimethylsulfamoyl, R.sup.2 represents hydrogen or fluorine; and R.sup.3 and R.sup.4 each represents hydrogen or methyl, provided that R.sup.3 and R.sup.4 may not both represent hydrogen, or R.sup.3 and R.sup.4 taken together with the nitrogen atom form a piperazine or piperidine ring optionally substituted in the 4-position by a methyl group or a 2-hydroxyethyl group, if desired, esterified with an aliphatic carboxylic acid having from one to seventeen carbon atoms inclusive, as well as non-toxic acid addition salts thereof.
REFERENCES:
patent: 2951082 (1960-08-01), Spraque et al.
patent: 3192204 (1965-06-01), Craig et al.
patent: 3282930 (1966-11-01), Craig et al.
patent: 3310553 (1967-03-01), Bloom et al.
patent: 3374231 (1968-03-01), Cusic et al.
patent: 3681346 (1972-08-01), Petersen et al.
Hansen Peter Bregnedal
Ujvari Georg
Hueschen Gordon W.
Jaisle Cecilia M.
Kefalas A/S
LandOfFree
Xanthene and thioxanthene derivatives, compositions thereof and does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Xanthene and thioxanthene derivatives, compositions thereof and , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Xanthene and thioxanthene derivatives, compositions thereof and will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-488479