Boat forms of ring A in B-norsteroids

Citation
Jr. Hanson et al., Boat forms of ring A in B-norsteroids, J CHEM R-S, (8), 1999, pp. 478-479A
Citations number
13
Categorie Soggetti
Chemistry
Journal title
JOURNAL OF CHEMICAL RESEARCH-S
ISSN journal
03082342 → ACNP
Issue
8
Year of publication
1999
Pages
478 - 479A
Database
ISI
SICI code
0308-2342(199908):8<478:BFORAI>2.0.ZU;2-P
Abstract
The X-ray crystal structures of 6 beta-toluene-p-sulfonyloxymethyl-5 beta-h ydroxy-B-norandrostane-3,17-dione (7) and 6 beta-methoxycarbonyl-3 beta,5 b eta-dihydroxy-B-norandrostan-17-one (8) reveal that ring A exists in a twis ted boat form in these 5 beta-B-norandrostanes.