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4968-09-6

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STEROID TRANSFORMATIONS. 187. MICROBIAL CONVERSION OF 3β-HYDROXY-5α-H-PREGNANES TO THEIR Δ4-3-KETO-9α-HYDROXY DERIVATIVES
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Voishvillo, N. E.,Turuta, A. M.,Kamernitskii, A. V.,Dzhlantiashvili, N. D.,Dacheva-Spasova, V. K.
p. 177 - 182
(2007/10/02)

SYNTHESIS OF 9α-HYDROXYSTEROIDS BY A RHODOCOCCUS SP.
9α-Hydroxylation of Δ5-3β-hydroxysteroids (of androstane, pregnane, 24-nor- and 21,24-bisnorcholane groups) was carried out by a Rhodococcus sp., isolated from a petroleum-containing soil sample.A large number of the investigated steroids was transformed into 9α-hydroxy-Δ4-3-ketones in satisfactory yields (50 - 90percent) at high initial concentrations of the substrates (0.5 - 5.0 g/L).The influence of some structural features of the steroid molecule on the progress and effectiveness of the microbial transformation was also shown.
Datcheva, Violeta K.,Voishvillo, Natalia E.,Kamernitskii, Aleksei V.,Vlahov, Radoslav J.,Reshetova, Irina G.
p. 271 - 286
(2007/10/02)

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124800-67-5
pregn-4-ene-9α,16α,17α-triol-3,20-dione 16,17-acetonide

Chemical Properties

Melting Point: 210°
Boiling Point: 501.5°C at 760 mmHg
Flash Point:216.1°C
Density: 1.16g/cm³
Solubility:Chloroform (Slightly), Methanol (Slightly)
Storage Temp.:Refrigerator
Vapor Pressure: 3.47E-10mmHg at 25°C
PSA: 52.60000
LogP: 4.60750

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