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Communication | Regular issue | Vol 4, No. 5, 1976, pp.953-956
Published online, 1st January, 1970
DOI: 10.3987/R-1976-05-0953
Synthesis of 4-Hydroxy-3-mercaptobenzoic Acid and 2,3-Dihydro-5,6-tetramethylene-1,4-dithiine from Dithiolane Derivatives

Seiichi Takano,* Shinichi Yamada, Keizo Tanigawa, Susumi Hatakeyama, and Kunio Ogasawara

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan


Efficient synthesis of 4-hydroxy-3-mercaptobenzoic acid (9) and 2,3-dihydro-5,6-tetramethylene-1,4-dithiine (16) from dithiolane derivatives was reported.