Journal of Organic Chemistry p. 2120 - 2126 (1980)
Update date:2022-09-26
Topics:
Clive, D. L. J.
Farina, Vittorio
Singh, Alok
Wong, Chi Kwong
Kiel, William, A.
Menchen, Steven M.
Ethyl urethanes derived from Δ4 or Δ5 olefinic amines undergo cyclofunctionalization to afford pyrrolidines and piperidines, respectively, when treated with benzeneselenenyl chloride.The reaction is an efficient one when carried out in the presence of silica gel, yields generally being above 80percent for the examples studied.
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