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21-Deoxycortisone (...
21-Deoxycortisone (17α-hydroxy-4-pregnene-3,11,20-trione)
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- Dey, Raja, 1963 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Langer, Vratislav, 1949 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Roychowdhury, P. (författare)
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visa fler...
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Roychowdhury, S. (författare)
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Drew, M.G.B. (författare)
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visa färre...
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(creator_code:org_t)
- 2005
- 2005
- Engelska.
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Ingår i: Acta Crystallographica Section C: Crystal Structure Communications. - 0108-2701 .- 1600-5759. ; C61:4, s. o201-o203
- Relaterad länk:
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https://research.cha...
Abstract
Ämnesord
Stäng
- The title compound, C21H28O4, a synthetic glucocorticoid, crystallizes with a single molecule in the asymmetric unit. Ring A is almost in a half-chair conformation, rings B and C are almost in chair conformations, and ring D is between a twist and a 13β-envelope conformation. The A/B ring junction is quasi-trans, whereas the B/C and C/D ring junctions both approach trans characteristics. The molecule as a whole is slightly convex towards the β side, with an angle of 9.60(2)° between the C10-C19 and C13-C18 vectors. Molecular-packing and hydrogen-bonding (both intra- and intermolecular) interactions play a major role in the structural association of the compound.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Nyckelord
- conformation
- X-ray diffraction
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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