Synthesis of 4-substituted 1,5-diaryl-3-diphenylmethoxy-3-pyrrolin-2-ones and their [1,5]-sigmatropic rearrangement |
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| Authors: | V L Gein L F Gein V S Platonov |
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| Institution: | 1. Perm State Pharmaceutical Academy, ul. Polevaya 2, Perm, 614990, Russia
2. Perm State Medical Academy, Perm, Russia
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| Abstract: | Reactions of 1,4,5-trisubstituted 3-hydroxy-3-pyrrolin-2-ones with diphenyldiazomethane yield the O-alkylation products. Thermolysis of 1,5-diaryl-4-heteroyl-3-hydroxy-3-pyrrolin-2-ones is accompanied with suprafacial 1,5]-sigmatropic rearrangement. |
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