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ChemInform Abstract: Retro-Ene Reaction. Part 6. Functionalization of 4,5-Dihalopyridazin-6-ones Using 1-Acetyloxymethyl-4,5-dihalopyridazin-6-ones as the 1-O, 3-N, 5-O Ene-Adduct.

โœ Scribed by Hyun-A Chung; Young-Jin Kang; Deok-Heon Kweon; Yong-Jin Yoon

Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
30
Category
Article
ISSN
0931-7597

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โœฆ Synopsis

Retro-Ene Reaction.

Part 6. Functionalization of 4,5-Dihalopyridazin-6-ones Using 1-Acetyloxymethyl-4,5-dihalopyridazin-6-ones as the 1-O, 3-N, 5-O Ene-Adduct. -The synthesis and storage of the known 1-hydroxymethyl derivative of (I) is difficult. Thus, the functionalization of 4,5-dihalopyridazin-6-ones is investigated using the novel ene-adduct (I). The functionalization of (I) via retro-ene reaction with different nucleophiles yields nearly only 5-halo-4-substituted pyridazinones. -(CHUNG, HYUN-A;

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