R P Litvinovskaia

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Androstane and delta15-androstane analogues of brassinosteroids were synthesized from dehydroepiandrosterone. The key stage, hydroxylation of 17beta-acetoxyandrost-2-en-6-one double bond with OsO4, yielded the corresponding 2alpha,3alpha- and 2beta,3beta-diols. The target 2alpha,3alpha-isopropylidenedioxy-6,6-ethylenedioxy-5alpha-androst-15-en-17-one and(More)
In the mitochondria of animal steroidogenic tissues, cytochrome P450(SCC), encoded by the CYP11A1 gene, catalyzes the conversion of cholesterol into pregnenolone - the general precursor of all steroid hormones. In this work, we study the steroid metabolism in transgenic tobacco plants carrying the CYP11A1 cDNA cytochrome P450(SCC)from the bovine adrenal(More)
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