Sumitomo Seika Chemicals Co., Ltd.

Hitoshi Karino

Hiroshi Goda

Mikio Yamamoto

Jun-ichi Sakamoto

Hirokazu Kagano

Takehiro Hiyama

Shinji Nii

Kenichi Wakimura

It is an object of the present invention to provide a process for producing highly pure 4-bromothioanisole, which is useful in the manufacture of medicinal chemicals, agrochemicals or functional materials, in a simple and industrially advantageous manner. The present invention is related to a process for producing 4-bromothioanisole

Process for producing 4-bromothioanisole

This invention is directed to a process for producing a bishalophenyl disulfide, chracterized by reacting a halothiophenol with an alkali metal hydroxide to obtain an alkali metal halothiophenolate and subsequently converting the halothiophenolate into a disulfide with an oxidizing agent in the presence of a mineral acid. By the process, a bishalophenyl disulfide having a high purity can be industrially produced in high yield.

Process for producing bishalophenyl disulfide

The present invention provides a process for preparing an aromatic or heteroaromatic thiol represented by the formula (2), the process comprising hydrolyzing an aromatic or heteroaromatic halogenated methyl sulfide represented by the formula (1)

Process for preparing aromatic or heteroaromatic sulfur compound

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Kako-gun, Japan

Hitoshi Karino