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ChemicalBook CAS DataBase List 1-CHLORO-4-(4-METHYLPHENYL)PHTHALAZINE

1-CHLORO-4-(4-METHYLPHENYL)PHTHALAZINE synthesis

4synthesis methods
-

Yield:76972-35-5 81%

Reaction Conditions:

with trichlorophosphate for 5 h;Heating;

Steps:

1-Chloro-4-p-tolylphthalazine (6):

In a 100 mL round-bottomedflask compound 2a (1 g) was heated with POCl3 (10 mL) on a boilingwater bath for 5 h. The cooled reaction mixture was poured into ice/cold water, and then extracted with diethyl ether. Evaporation of diethylether under vacuum gave a solid product that was recrystallised to givecompound 6: Yellow crystals; yield 81%;

References:

Hemdan, Magdy M.;Taha, Sherif M.;Gabr, Adel M.;Elkady, Mohamed Y. [Journal of Chemical Research,2014,vol. 38,# 10,p. 617 - 621]