1.1
Reagents:
Tripotassium phosphate
Catalysts:
Tetrakis(triphenylphosphine)palladium
Solvents:
1,4-Dioxane
;
rt → 80 °C; 3 d, 80 °C
1.2
Reagents:
Sodium hydroxide
Solvents:
Water
;
reflux
1.3
Reagents:
Hydrochloric acid
Solvents:
Water
;
acidified
![1,1':4',1'':4'',1'''-四联苯]-3,3''',5,5'''-四羧酸结构式图片|921619-91-2结构式图片](http://hg.y866.cn/compound/lib/scimg/cas/150/921619-91-2.png?t=638990809817035293)
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