A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 66-99-9, Name is 2-Naphthaldehyde, molecular formula is C11H8O. In an article, author is Mogilaiah, K.,once mentioned of 66-99-9, HPLC of Formula: https://www.ambeed.com/products/66-99-9.html.
Green synthesis and antibacterial activity of 3-(3-aryl[1,8]naphthyridin-2-yl)-7-[1-[1,4-dioxo-1,2,3,4-tetrahydro-6-phthalazinyl]-2,2,2-trifluoro-1-(trifluoromethyl)ethyl]-2-(3-aryl [1,8]naphthyridin-2-yl)-1,2,3,4-tetrahydro-1,4-phthalazinediones
A simple and highly efficient procedure has been described for the synthesis of 3-(3-aryl[1,8]naphthyridin-2-yl)-7-[1-[1,4-dioxo-1, 2, 3, 4-tetrahydro-6-phthalazinyl]-2, 2, 2-trifluoro-1-(trifluoromethyl)ethyl]-2-(3-aryl[1,8]naphthyridin-2-yl)-1,2,3,4-tetrahydro-1,4-phthalazinediones 3 by the condensation of 3-aryl-2-hydrazino-1,8-naphthyridines 1 with 4,4 ‘-(hexafluoroisopropylidene)diphthalic anhydride 2 in 2:1 molar ratio in the presence of catalytic amount of DMF under microwave irradiation/ in presence of catalytic amount of PTSA in the solid state at RT under grinding conditions. The products have been obtained in very good yields and in a state of high purity. The structures of the compounds 3 have been established on the basis of their spectral (IR and H-1 NMR) and analytical data. The compounds 3 have been screened for their antibacterial activity.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem