The crystal structure of 17-thia-3-methoxyestra-1,3,5(10)-triene-17-dioxide
نویسندگان
چکیده
منابع مشابه
Crystal structure of hydrocortisone 17-butyrate
In the title compound, C25H36O6, the two central cyclo-hexane rings exhibit a chair conformation. The terminal cyclo-hexene and cyclo-pentane rings are in half-chair and envelope conformations (with the C atom bearing the methyl substit-uent as the flap), respectively. The methyl group of the butyrate chain is disordered over two orientations, with a refined occupancy ratio of 0.742 (6):0.258 (...
متن کامل3 , 4 - Dihydroxy - 9 , 10 - secoandrosta - l , 3 , 5 ( 10 ) - triene = 9 , 17 dione 4 ,
Kinetic studies with 3,4-dihydroxy-9, IO-secoandrosta1,3,5(10)-triene-9,17-dione-4,5-dioxygenase gave intersecting initial velocity plots that conform to a sequential mechanism. Linear noncompetitive product inhibition patterns were observed with respect to either substrate, indicating the formation of a dead end complex. 4-Isopropyl catechol, a structural analogue of the organic substrate, inh...
متن کاملCrystal structure of (3S)-3-acetoxy-17-(pyridin-3-yl)androsta-5,16-diene
In the title compound, C26H33NO2 [systematic name: (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-(pyridin-3-yl)-2,3,4,7,8,9,10,11,12,13,14,15-dodeca-hydro-1H-cyclo-penta-[a]phenanthren-3-yl acetate], the steroid A, B, C and D rings adopt chair, half-chair, chair and envelope conformations, respectively. The flap atom of the envelope is the methine C atom fused with the C ring. In the crystal, adjace...
متن کاملMicrobial aromatization of androsta-1, 4, 7- triene-3, 17-Dione.
Several microorganisms transform androsta-1, 4, 7-triene-3, 17-dione into equilin and equilenin, presumably via a 19-hydroxylated intermediate.
متن کاملCrystal structure of 3β-acetoxyandrosta-5,16-dien-17-yl trifluoromethanesulfonate
The title compound, C22H29F3O5S [systematic name: (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-(tri-fluoro-methylsulfon-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15-dodeca-hydro-1H-cyclo-penta-[a]phenanthren-3-yl acetate], contains a fused four-ring steroidal system. Rings A and C adopt a chair conformation, while rings B and D adopt half-chair and envelope (with the fused CH atom as the flap) conformation...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Acta Crystallographica Section A Foundations of Crystallography
سال: 1981
ISSN: 0108-7673
DOI: 10.1107/s0108767381097353