2-(3-(4-Bromo-2-fluorobenzyl)-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid, cas is 72702-95-5, it is a common heterocyclic compound, the phthalazine compound, its synthesis route is as follows.,72702-95-5
EXAMPLE 54 Acetyl chloride (10 ml.) was added to stirred methanol (150 ml.) to give a solution of hydrogen chloride in methanol and methyl acetate. 2-(2-Fluoro-4-bromobenzyl)-1,2-dihydro-1-oxophthalazin-4-ylacetic acid (2.1 g.) was added to this solution and the mixture was heated under reflux for 18 hours, and then cooled to room temperature. The solid which crystallized out was separated by filtration and recrystallized from methanol to give methyl 2-(2-fluoro-4-bromobenzyl)-1,2-dihydro-1-oxophthalazin-4-ylacetate (1.4 g.), m.p. 151-153 C.
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Reference£º
Patent; Imperial Chemical Industries Limited; US4251528; (1981); A;,
Phthalazine – Wikipedia
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