Preparation of phthalaldehydic acid from {60 ,{60 ,{60 ,{60 {40 ,{60 {40 -pentachloro-o-xylene
High yields of phthalaldehydic acid from alpha , alpha , alpha , alpha ', alpha '-pentachloro-o-xylene can be obtained in an excellent degree of purity if a mixture of said pentachloroxylene and phthalaldehydic acid in water is heated to a temperature between about 80 DEG and about 180 DEG...
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