1149-26-4, Name is Z-L-Val-OH, molecular formula is C13H17NO4, belongs to phthalazine compound, is a common compound. In a patnet, author is Keshipour, Sajjad, once mentioned the new application about 1149-26-4, Formula: https://www.ambeed.com/products/1149-26-4.html.
A new protocol has been developed for the efficient synthesis of structurally diverse 1H-pyrazolo[1,2-b] phthalazine-1,2-dicarboxylates and 1H-pyrazolo[1,2-a]pyridazine-1,2-dicarboxylates via a four-component reaction of hydrazine hydrate, dialkyl acetylenedicarboxylates, isocyanides and various cyclic anhydrides such as succinic anhydride, maleic anhydride and phthalic anhydride in ethanol/acetone (1:1) at room temperature in good to moderate yields. (C) 2012 Elsevier Ltd. All rights reserved.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem