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. 06, 1998
Filed:
Apr. 04, 1995
Applicant:
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548429 ;
Abstract
A process for the preparation of 1,3a,8-trimethyl-1,2,3,3a,8,8a-hexahydro-pyrrole�2,3-b!indol-5(3aS,8aR)-he ptylcarbamate, of formula (I) ##STR1## by reacting eseroline with heptylisocyanate in the presence of a metal cyanate and of a quaternary ammonium salt, in polar aprotic solvents.
Maiorana, Stefano. (1998). Isocyanate process for the preparation of 1,3a,8-trimethyl-1,2,3,3a, 8, (U.S. Patent No. 5705657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5705657
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