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US 10,377,707 B2Granted
Process for the preparation of lactams from glyoxalic acid
AssigneeConopco, Inc.
InventorsAndrew Martyn Norbury, David William Thornthwaite
Life of this patent
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Abstract
A process for the synthesis of lactams suitable for use in antimicrobial, anti-biofilm bacteriostatic compositions.
Claims11
A process for the synthesis of a γ-lactam, the process comprising the steps of:
- (a) performing an Aldol condensation between an acetone initiator and glyoxalic acid;
- (b) treating the product(s) of step (a) with an organic acid to effect dehydration;
- (c) reacting the product of step (b) with ammonia or a primary amine, or salt thereof, to afford the γ-lactam.
Dependencies are inferred from the claim text.