Title : Unexpected facile sequential halolactamization-hydroxylation of 2, 3-allenamides with CuX(2) for the efficient synthesis of 4-halo-5-hydroxypyrrol-2(5H)-ones.

Pub. Date : 2000 Nov 30

PMID : 11101423






1 Functional Relationships(s)
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1 [reaction: see text] 4-Halo-5-hydroxypyrrol-2(5H)-ones were synthesized from the efficient sequential halolactamization-hydroxylation reaction of 4-monosubstituted 2,3-allenamides with CuX(2) (X = Br, Cl) in high yields. 4-halo-5-hydroxypyrrol-2(5h)-ones cut like homeobox 2 Homo sapiens