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New analogs of D-homoequilenine with substituents in the D ring

โœ Scribed by I. A. Gluzdikov; M. S. Egorov; S. I. Selivanov; G. L. Starova; A. G. Shavva

Book ID
111464161
Publisher
SP MAIK Nauka/Interperiodica
Year
2006
Tongue
English
Weight
520 KB
Volume
42
Category
Article
ISSN
1070-4280

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The chemical shifts of the CI,-and C,s-hydrogens of 30 14a,l7a-bridged 20-ketopregnanes and of four 14a, 17a-bridged 17-cyanoandrostanes were correlated by means of additive substituent constants. Because the bridged D-ring of these steroids is a substituted bicyclo[2.2.l]Iieptaiie sytem, attempts w