Tetrahedron Letters p. 73 - 74 (1982)
Update date:2022-08-05
Topics:
Dreme, Martine
Perchec, Pierre Le
Garapon, Jacques
Sillion, Bernard
Reaction of stabilized carbanions with 3-methyl-2-phenyl-1,3-oxazolinium triflate occurs both C5 and C2 sites with a regioselectivity depending partially on steric effects.The reaction at C2 site can result in the formation of 1,4-oxazepin derivatives.
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