The 1,3-dipolar addition of 1-(1-adamantyl)-2-diazoethanone to methyl acrylate gave methyl 3-(1-adamantylcarbonyl)-4,5-dihydro-1H-pyrazole-5-carboxylate from which there were prepared methyl 3-(1-adamantylcarbonyl) substituted 4,5-dihydroisoxazole-5- and 1H-pyrazole-5-carboxylates as well as the products of reduction of the latter at the keto- and ester groups.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1080–1085, August, 2009.
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Lozhkin, S.S., Petrov, D.V., Dokichev, V.A. et al. Synthesis and reactions of methyl 3-(1-adamantyl-carbonyl)-4,5-dihydro-1H-pyrazole-5-carboxylate. Chem Heterocycl Comp 45, 937–941 (2009). https://doi.org/10.1007/s10593-009-0369-5
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DOI: https://doi.org/10.1007/s10593-009-0369-5