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7664432 
Journal Article 
A new and convenient synthesis of 15H-16,17-dihydrocyclopenta[a]phenanthrene derivatives 
Parihar, JA; Jaiswar, MM; Ramana, MMV; , 
2005 
1 
Indian Journal of Chemistry. Section B
ISSN: 0376-4699
EISSN: 0975-0983 
NATL INST SCIENCE COMMUNICATION & INFORMATION RESOURCES-NISCAIR 
NEW DELHI 
44 
7 
1500-1504 
English 
WOS:000230753500016 
Methyl 2-oxocyclopentane-l-carboxylate is selectively C-alkylated with several 2-(3,4-dihydro-l-naphthalenyl)ethyl-4-methylphenylsulphonates to give the corresponding seco-steroids, which on cyclodehydration followed by degradation in 5% Pd-C has afforded the corresponding title compounds. 
2-Oxocyclopentane-1-carboxylate; C-alkylation; Cyclopenta-phenanthrene derivatives; Methylphenylsulphonates; Pd-C; Seco-steroids