Tetrahedron Letters p. 1573 - 1576 (1987)
Update date:2022-08-03
Topics:
Gilchrist, Thomas L.
Hughes, Deborah
Wasson, Robert
The C=N bond of 4,4a,5,6-tetrahydropyrrolo<1,2-b>pyridazin-7(3H)-ones (3) is reduced with high stereoselectivity by hydrogen over Adams' catalysts; the products (6) are N-acetylated and the N-N bond can then be cleaved by sodium in liquid ammonia to give
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(1968)
