Unknown

Dataset Information

0

5?-Dihydro-vespertilin acetate.

ABSTRACT: In the title compound, C(24)H(36)O(4) [systematic name: (20S)-3?-acet-oxy-16?-hydr-oxy-22,23-bis-nor-5?,17?-cholano(22-16)lac-tone], the three six-membered rings adopt classical chair conformations, while the five-membered rings are in envelope conformations. The ester group attached to ring A is in an equatorial position. Rings A/B, B/C and C/D are trans-fused, whereas rings D/E are cis-fused. The structure is devoid of any classical hydrogen bonds. However, non-classical inter- and intra-molecular hydrogen-bonding inter-actions of the type C-H?O are present in the structure.

SUBMITTER: Benn M 

PROVIDER: S-EPMC2983680 | biostudies-literature | 2010 Feb

REPOSITORIES: biostudies-literature

Json Xml
altmetric image

Publications

5α-Dihydro-vespertilin acetate.

Benn Michael M   Vohra Kanwal Nain KN   Parvez Masood M  

Acta crystallographica. Section E, Structure reports online 20100213 Pt 3

In the title compound, C(24)H(36)O(4) [systematic name: (20S)-3β-acet-oxy-16α-hydr-oxy-22,23-bis-nor-5α,17β-cholano(22-16)lac-tone], the three six-membered rings adopt classical chair conformations, while the five-membered rings are in envelope conformations. The ester group attached to ring A is in an equatorial position. Rings A/B, B/C and C/D are trans-fused, whereas rings D/E are cis-fused. The structure is devoid of any classical hydrogen bonds. However, non-classical inter- and intra-molec  ...[more]

Similar Datasets

Unknown Dihydro-myricetin hexa-acetate.
| S-EPMC2983347 | biostudies-other
Unknown 11?,13-Dihydro-lactucin-8-O-acetate hemihydrate.
| S-EPMC2970292 | biostudies-literature
Unknown 2,4-Dibromo-2,3-dihydro-1H-inden-1-yl acetate.
| S-EPMC3379444 | biostudies-literature
Unknown Methyl 3-oxo-2,3-dihydro-1,2-benzothia-zole-2-acetate 1,1-dioxide.
| S-EPMC2961185 | biostudies-literature
Unknown Methyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothia-zin-4-yl)acetate.
| S-EPMC3051955 | biostudies-literature
Unknown 3-Oxo-2,3-dihydro-1H-inden-4-yl acetate.
| S-EPMC3515182 | biostudies-other
Unknown Ethyl 2-(2-oxo-4-phenyl-2,3-dihydro-1H-1,5-benzodiazepin-1-yl)acetate.
| S-EPMC3007495 | biostudies-literature
Unknown n-Butyl 2-(3-chloro-1,2-dihydro-pyrazin-2-yl-idene)-2-cyano-acetate.
| S-EPMC2969917 | biostudies-literature
Unknown Ethyl 2-(4-chloro-2-oxo-2,3-dihydro-1,3-benzothia-zol-3-yl)acetate.
| S-EPMC2969022 | biostudies-literature
Unknown tert-Butyl 2-(3-acetyl-amino-2-oxo-1,2-dihydro-1-pyrid-yl)acetate.
| S-EPMC2959903 | biostudies-literature