| 摘要 |
The title compds.(I; R, R1 independently=H, C1-6 alky1, etc.; n, m independently=1,2,3) were prepd. Thus, 120g 2, 2'-dicarboethoxydimethylsulfide was treated with 22g KOH in 1000mL ethanol for 4 days with stirring, acidified with concentrated HC1, filtered, and concd. to give 43. Og 2-carboxy2'-carboethoxydiphenylsulfide.
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