2-o-tolyloxy-terephthalic acid dimethyl ester 、
2-(2-Methoxy-phenoxy)-terephthalic acid dimethyl ester 在
5-methyl-9-oxo-9H-xanthene-3-carboxylic acid methyl ester 作用下,
以the title compound 5-methyl-9-oxo-9H-xanthene-3-carboxylic acid methyl ester, 2h was obtained的产率得到5-methyl-9-oxo-9H-xanthene-3-carboxylic acid methyl ester