Zobrazeno 1 - 4
of 4
pro vyhledávání: '"F. C. Manchado"'
Autor:
M. A. I. Arteagas, H. Novoa de Armas, Norbert Blaton, R. Pomés Hernández, C. J. De Ranter, F. C. Manchado, R. P. Gil, Oswald M. Peeters
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 55:601-603
In the title compound [systematic name: (25R)-3β-bromo-23-oxo-5α-spirostan-6-yl acetate, C 29 H 43 BrO 5 ], the C3-Br bond is oriented equatorially and (-)-antiperiplanar with respect to the C4-C5 bond. The six-membered B, C and F rings have chair
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87d6f406564613432fce617b59a4ec65
https://doi.org/10.1107/s0108270198016382
https://doi.org/10.1107/s0108270198016382
Autor:
R. Pomés Hernández, H. Novoa de Armas, R. P. Gil, F. C. Manchado, Oswald M. Peeters, C. J. De Ranter, Norbert Blaton
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 55:599-601
In the title compound, methyl 4β-bromo-7α-ethoxy-carbonyloxy-3-oxo-5β-cholanoate, C 28 H 43 BrO 6 , the Br-C4 bond is oriented equatorially and (-)-antiperiplanar with respect to the C5-C10 bond. The six-membered rings (A, B and C) have the usual
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4dc61144875b9fdbf2669c08538dae5
https://doi.org/10.1107/s0108270198016400
https://doi.org/10.1107/s0108270198016400
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 53:1881-1883
In the title compound, C 25 H 41 BrO 3 , the Br atom bonded to C 3 is β-axially oriented and is (-)-synclinal to the C4-C5 bond. The six-membered rings (A, B and C) have chair conformations as expected. The five-membered ring (D) adopts a distorted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81eb22867dd6b07c430416ff840b82dc
https://doi.org/10.1107/s0108270197007464
https://doi.org/10.1107/s0108270197007464
Autor:
R. Pomés Hernández, Marta Fonseca, Angel Dago Morales, G. Echeverria, F. C. Manchado, G. Punte
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 53:1705-1706
In the title compound, C 27 H 40 O 4 , the presence of a double bond between C2 and C3 forces ring A to adopt a 10α,5β half-chair conformation. The B, C and F rings have chair conformations, as is usual in this type of compound. The D ring adopts a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6802337e96f5727865ac3a573a9d235
https://doi.org/10.1107/s0108270197006501
https://doi.org/10.1107/s0108270197006501