Journal of the Chemical Society. Chemical communications p. 1373 - 1374 (1984)
Update date:2022-08-04
Topics:
Brown, George R.
Foubister, Alan J.
Wright, Brian
Reduction of pyridazin-3-ones (1a-d) with zinc dust in acetic acid affords selectively 4,5-dihydropyridazin-3-ones (2a-d), but N(2)-substituted (1) react further with excess of zinc to give equal amounts of pyrrolidin-2-ones (3) and 3-pyrrolin-2-ones (4).
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