Preparation of substituted guanidines

A process for the preparation of a substituted guanidine by reacting a substituted cyanamide with ammonia or a substituted amine in the presence of a Lewis acid catalyst. Also disclosed is a process for the preparation of a tri-substituted guanidine by reacting a mono-substituted cyanamide with a di-substituted amine.
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Abstract/Description: A process for the preparation of a substituted guanidine by reacting a substituted cyanamide with ammonia or a substituted amine in the presence of a Lewis acid catalyst. Also disclosed is a process for the preparation of a tri-substituted guanidine by reacting a mono-substituted cyanamide with a di-substituted amine.
Subject(s): 564/238
546/134
546/143
546/306
564/237
564/239
Date Issued: 1996-02-06
Title: Preparation of substituted guanidines.
Name(s): Cambridge Neuroscience, Inc.; The University of Toledo, assignee
Durant, Graham J., inventor
Magar, Sharad S., inventor
Type of Resource: text
Genre: patent
Publisher: United States Patent and Trademark Office
Other Date: Date Filed: 1994-02-08
Date Issued: 1996-02-06
Physical Form: application/pdf
Extent: 12 p.
Abstract/Description: A process for the preparation of a substituted guanidine by reacting a substituted cyanamide with ammonia or a substituted amine in the presence of a Lewis acid catalyst. Also disclosed is a process for the preparation of a tri-substituted guanidine by reacting a mono-substituted cyanamide with a di-substituted amine.
Identifier(s): utpatents-US5489709 (IID)
Patent No.: US5489709 (patno)
Appl. No.: 08/192990 (appno)
Subject(s): 564/238
546/134
546/143
546/306
564/237
564/239
Held by: United States Patent and Trademark Office (USPTO) Public Search Facility
Location: University of Toledo Digital Repository
Rights Statement: No Copyright - United States
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