3,3,4,4,4-pentafluorobutanoate de cholestanyle;[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] 3,3,4,4,4-pentafluorobutanoate
Synthese de β-enaminoperfluoroesters, β-imino-α-hydroperfluoroesters et β-amido-α-fluoroesters
摘要:
The title compounds were synthesized in a high yield one pot procedure from alpha-H-perfluoroesters and aliphatic amines. From primary amines, the beta-imino tautomer was shown to be more stable than the enamino one, which is only observed with butanoic derivatives, as a minor component. The reaction did not occur with aromatic amines. In the propanoic series, the reaction product was the beta-amido-alpha-fluoroester.