Back to results
US 2006/0235227 A1Published application
Azo coupling reactions of hydrophobic compounds
AssigneeEastman Kodak Company
InventorCatherine Mineur
Life of this patent
Estimating the term…
Abstract
A process for forming a diazo compound comprises reacting an organic compound bearing an acidic hydrogen with an aryl-diazonium salt in the presence of an inorganic base and a non-halogenated solvent. The process is simpler and more environmentally friendly than known processes.
Claims20
A process for forming a diazo compound comprising reacting an organic compound bearing an acidic hydrogen with an aromatic-diazonium salt in the presence of an inorganic base and a non-halogenated solvent.
The process of claim I wherein the reaction is represented by the equation (IV):
- wherein R1 represents an ortho substituent and Ar is an aromatic group.
Dependencies are inferred from the claim text.