A simple method for the preparation of di-, tri-, and tetrasubstituted non-symmetrical ureas
Bridgeman, Eve and Tomkinson, Nicholas C. O. (2006) A simple method for the preparation of di-, tri-, and tetrasubstituted non-symmetrical ureas. Synlett (2). pp. 243-246. ISSN 0936-5214
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Abstract
The synthesis of a series of di-, tri-, and tetrasubstituted non-sym. ureas is described. Di- and trisubstituted ureas are prepd. in excellent yield by treatment of a Ph carbamate in a self-tunable single-mode microwave synthesizer with a primary or secondary amine. The synthetically more challenging tetrasubstituted urea can be prepd. using the 4-nitrophenyl carbamate and a secondary amine.
Creators(s): |
Bridgeman, Eve and Tomkinson, Nicholas C. O. ![]() | Item type: | Article |
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ID code: | 34190 |
Keywords: | urea , carbamate , microwave-assisted synthesis , Chemistry, Organic Chemistry |
Subjects: | Science > Chemistry |
Department: | Faculty of Science > Pure and Applied Chemistry |
Depositing user: | Pure Administrator |
Date deposited: | 20 Oct 2011 14:04 |
Last modified: | 01 Jan 2021 10:00 |
URI: | https://strathprints.strath.ac.uk/id/eprint/34190 |
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