Synthesis of polycyclic lactams and sultams by a cascade ring-closure metathesis/isomerization and subsequent radical cyclization
Starting from readily available substrates, a new one-pot procedure has been devised to prepare polycyclic lactams and sultams. 2-Pyrrolines obtained from N,N-bisallylamides by ring-closure metathesis and subsequent isomerization promoted by ruthenium hyd
Double reduction of cyclic aromatic sulfonamides: A novel method for the synthesis of 2- and 3-aryl-substituted cyclic amines
(Chemical Equation Presented) The facile double reduction of bicyclic aromatic sulfonamides was used to synthesize a variety of 2- and 3-aryl-substituted pyrrolidines and 2-phenylpiperidine. The method features a combined nitrogen protection and a traceless tether for the transposition of the aromatic moiety from nitrogen to carbon.
Evans, Paul,McCabe, Thomas,Morgan, Ben S.,Reau, Sophie
p. 43 - 46
(2007/10/03)
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