157397-94-9Relevant academic research and scientific papers
Stereochemistry of radical cyclizations to side-chain olefinic bonds. An approach to control of the C-9 center of morphine
Parker,Fokas
, p. 3927 - 3932 (2007/10/02)
Styrenes of general structure 5 undergo tandem radical cyclization to cis,cis-hydrophenanthrofurans 9, products which contain the carbocyclic skeleton of the morphine alkaloids. Vinylurethane 5E-NHCO2Et cyclizes to 9α via the intermediate radic
