B. Mohar et J. Kobe, APPROACH TO CARBOCYCLIC 4-DEOXYPYRAZOFURIN THROUGH ASYMMETRISATION OFA MESO-NORBORNENE DERIVATIVE, Synlett, (12), 1997, pp. 1467-1468
The first enantioselective synthesis of carbocyclic 4-deoxypyrazofurin
la has been accomplished via ketone (+)-4 which was prepared by asymm
etric hydroboration or hydrosilylation reactions.