1953 年 73 巻 5 号 p. 526-527
7-Hydroxy-3-methylphthalide, an alkaline degradation product of terramycin, was synthesized. Its identity was proved, indirectly, because of being unable to compare it directly with the phthalide derived from natural terramycin, by preparing its derivatives and comparing their physical and chemical properties with those of the known compounds.