| 摘要 |
1,274,889. Trimethylphenol. CONSOLIDATION COAL CO. 1 Oct., 1969 [2 Oct., 1968], No. 48253/69. Heading C2C. 2,3,6-Trimethylphenol is separated from an admixture with at least one close boiling xylenol or trimethylphenol by butylating at below 60‹ C. under butylating conditions, fractionally distilling the product to recover a fraction containing 4-t-butyl-2,3,6-trimethylphenol, debutylating this fraction at between 60‹ and 125‹ C. under debutylating conditions and fractionally distilling the product to recover 2,3,6-trimethylphenol |
