Tetrahedron Letters p. 6975 - 6978 (1988)
Update date:2022-08-03
Topics:
Rutjes, Floris P. J. T.
Hiemstra, Henk
Mooiweer, Hendrik H.
Speckamp, W. Nico
Acid catalyzed cyclization of methoxymethyl substituted acyclic hydrazides 4 provides cyclic hydrazides 5 in moderate to good yields through the intermediacy of N,N'-di(methoxycarbonyl)hydrazinium intermediates.
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