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Cosmo Oil Co., Ltd.

Cosmo Research Institute

Mitsuharu Hasegawa

Hitoshi Kumagai

Yoshihiro Sugawa

Hiroshi Munakata

Shingo Kato

Masahiro Ishizuka

Sotaro Miyano

Setsuko Miyanari

Fumio Hamada

Takashi Hori

Nobuhiko Iki

Yoshiyuki Hiraishi

Toyohisa Fujimoto

Yoko Sato

SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE PREPARATION THEREOF, SEPARATING AND RECOVERING AGENTS CONTAINING CYCLIC PHENOL SULFIDES, METHODS FOR SEPARATION AND RECOVERY THEREWITH, AND DRUG COMPOSITIONS CONTAINING THE SULFIDES

A cyclic phenol sulfide represented by the following formula (1) is described: ##STR1## wherein X represents a hydrogen atom, a hydrocarbon group, or an acyl group; Y.sub.1 represents a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, --COR.sup.1, --OR.sup.2, --COOR.sup.3, --CN, --CONH.sub.2, --NO.sub.2, --NR.sup.4 R.sup.5, a halogen atom, --SO.sub.4 R.sup.6, or --SO.sub.3 R.sup.7, in which R.sup.11, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7 each represents a hydrogen atom or a hydrocarbon group; n is an integer of 3 or more; and m is an integer of 1 to 7, provided that the plural m's of the S.sub.m 's are the same or different; the plural X's are the same or different; and the plural Y.sub.1 's are the same or different. A process for producing the cyclic phenol sulfide is also described.

Cyclic phenol sulfide and process for producing the same

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Saitama, Japan

Mitsuharu Hasegawa