Patents Represented by Attorney G. E. Inskeep

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  • Optically active nicotine analogs and process for their preparation
    Patent number: 4442292
    Abstract: This invention provides a process for the preparation of cotinine and nicotine analogs containing substituents on pyrrolidinone/pyrrolidine ring at the 3' position of cotinine and at the 4' and 5' position of nicotine.The process proceeds via a first step preparation of a cotinine intermediate which is represented by the formula: ##STR1## wherein M is an alkali metal cation.
    Type: Grant
    Filed: May 13, 1982
    Date of Patent: April 10, 1984
    Assignee: Philip Morris Incorporated
    Inventor: William B. Edwards, III