Patents

IN372085: A process for the synthesis of aromatic carbamates

The invention disclosed a process for the synthesis of aromatic carbamates comprises of reacting the amine with dialkyl carbonate in the presence of the binary or ternary mixed metal oxide catalyst at temperatures in the range of 100 to 2200C for the period in the range of 1 to 15 hrs to obtain corresponding aromatic carbamate. In one embodiment of the invention, the process for the synthesis of aromatic carbamates is optionally carried out in the presence of a solvent.

Filing Date: 26-05-2017

Issue Date: 16-07-2021

Applicant: CSIR-National Chemical Laboratory (CSIR-NCL), Pune

Patent No: IN372085

Application No: 201711018554

Inventor(s): Ashutosh Anant Kelkar, Nayana Tushar Nivangune, Vilas Hari Rane

IPC Classification: C07C 263/04

Country: India

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