Approaches to the synthesis of 9α,21-dihydroxy-16α,17α-epoxypregn-4-ene-3,20-diones |
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| Authors: | N. E. Voishvillo A. M. Turuta A. V. Kamernitskii N. V. Dzhlantiashvili A. A. Korobov |
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| Affiliation: | (1) N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow |
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| Abstract: | Various approaches to the synthesis of 16 ,17-epoxypregn-4-ene-9,21-diol-3,20-dione were studied. A preparative method was found for the synthesis of this compound by the microbiological transformations of 20,20-dimethoxy-16,17-epoxypregn-5-ene-3 ,21-diol using Rhodococcus sp. with subsequent removal of the dimethyl acetal protection in 20,20-dimethoxy-16,17-epoxypregn-4-ene-9,21-dio-1-3-one.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 690–693, March, 1990. |
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