21782-48-9Relevant articles and documents
Reaction of alkene-zirconocene complexes and cyclic enol ethers through new reaction pathways
Barluenga, Jose,Alvarez-Rodrigo, Lucia,Rodriguez, Felix,Fananas, Francisco J.
, p. 3932 - 3935 (2004)
Unexpected results are obtained on treatment of alkene-zirconocene complexes with cyclic enol ethers. The ring size of the enol ether makes the reaction proceed through different mechanisms allowing Zalkenols to be prepared from furan derivatives and cycl
LONG-ACTING CONTRACEPTIVE AGENTS: CYCLOPROPYL AND CYCLOBUTYL ESTERS OF NORETHISTERONE
Shafiee, A.,Vossoghi, M.,Savabi, F.,Vlahov, R.,Tarpanov, V.,et al.
, p. 291 - 308 (2007/10/02)
Several esters of norethisterone (17α-ethynyl-17β-hydroxyestr-4-en-3-one) with carboxylic acids containing a cyclopropyl or cyclobutyl ring have been synthesized and the stereochemistries of the side-chains determined.