Reaction of aromatic amines and ethyl acetoacetate promoted by zeolite HSZ-360. Phosgene-free synthesis of symmetric diphenylureas
- 1 January 1998
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 4,p. 513-514
- https://doi.org/10.1039/a708019k
Abstract
Reaction of aromatic amines 1 with ethyl acetoacetate 2 in the presence of the commercially available acid zeolite HSZ-360 gives symmetric diphenylureas 3 in good yields and excellent selectivities.Keywords
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