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Regioselective cycloaddition of C-carbamoylnitrones to methyl (E)-2-(2-phenylcyclopropylidene)acetate and methyl (E)-2-methylidene-3-phenylcyclopropane-1-carboxylate |
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| Authors: | A P Molchanov T Q Tran A V Stepakov G L Starova R R Kostikov |
| Institution: | 1. St. Petersburg State University, Universitetskii pr. 26, St. Petersburg, 198504, Russia 2. School of Chemical Engineering, Hanoi University of Science and Technology, 1 Dai Co Viet Road, Ha Noi, Viet Nam |
| Abstract: | N-Aryl-C-(arylcarbamoyl)nitrones regioselectively add to methyl 2-(2-phenylcyclopropylidene)-acetate and methyl 2-methylidene-3-phenylcyclopropanecarboxylate to give in each case two diastereoisomeric 5-oxa-6-azaspiro2.4]heptane-4-carboxylates. |
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