PYRROLIDINONES AND A PROCESS TO PREPARE THEM
This application is directed to a compound of Formula II Also disclosed is a process for preparing a compound of Formula II comprising using the compounds of Formulae IV and V Also disclosed is a method for preparing a compound of Formula I comprising contacting a compound of Formula II with a compo...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
15.04.2021
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Subjects | |
Online Access | Get full text |
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Summary: | This application is directed to a compound of Formula II Also disclosed is a process for preparing a compound of Formula II comprising using the compounds of Formulae IV and V Also disclosed is a method for preparing a compound of Formula I comprising contacting a compound of Formula II with a compound of a compound of Formula VI wherein A1, A2 A3, R1, R2, R3a, R3b, R4, B1, B2 and B3, are as defined in the disclosure. |
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Bibliography: | Application Number: US202017127058 |