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Synthesis of new chiral N-substituted fused pyrazoles and pyrazolinols |
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| Authors: | Sergey A. Popov Makhmut M. Shakirov Alexey V. Tkachev Norbert De Kimpe |
| Affiliation: | Novosibirsk Institute of Organic Chemistry, Novosibirsk 630090, Russia Department of Organic Chemistry, Faculty of Agricultural and Applied Biological Sciences, University of Gent, Coupure Links 653, 9000, Gent, Belgium |
| Abstract: | Treatment of β-diketones and the corresponding β-enaminoketones, having modified carane (2-ethyl-6,6-dimethylbicyclo[3.1.0]hexane) and p-menthane (3-ethyl-1-isopropylcyclopentane) skeletons, with aryl- and alkylhydrazines results in regioselective formation of N-substituted pyrazoles or stable pyrazolinols depending on the nature of the substituent at the hydrazine nitrogen. |
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