Starting from symmetrical imides and (α-haloacetylmethylene)-phosphoranes 2, N-acyl-3-hydroxypyrroles 4 have been prepared by an intramolecular Wittig olefination.The deacylation of 4 was proved using 4b as an example.
Flitsch, Wilhelm,Hohenhorst, Manfred
p. 397 - 399
(2007/10/02)
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