The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 1976
Filed:
Feb. 16, 1973
Henri Demarne, Montpellier, FR;
Clin Midy, , FR;
Abstract
Indoles of the formula ##SPC1## In which R.sub.1 is phenyl, halophenyl, nitrophenyl, aminophenyl, lower alkoxyphenyl, pyridyl, benzyl, halobenzyl, lower alkoxybenzyl or a group of the formula --C.sub.n H.sub.2n NR.sub.4 R.sub.5 in which n is 2, 3 or 4 and each of R.sub.4 and R.sub.5 is hydrogen or alkyl, R.sub.2 is hydrogen, R.sub.3 is hydroxyl or R.sub.2 and R.sub.3 taken together are oxygen or NOR.sub.6 in which R.sub.6 is hydrogen, lower alkyl, lower acyl or a group of the formula --C.sub.m H.sub.2m NR.sub.7 R.sub.8 in which m is 2, 3 or 4 and each of R.sub.7 and R.sub.8 is lower alkyl, as well as the salts thereof with acids are of low toxicity and possess a pronounced analgesic effect and/or tranquillising effect and are of use in human and veterinary medicine.