Asahi Glass Company, Limited

Agc Inc.

Naoki Ichinokawa

Yu Onozaki

Satoshi Kawaguchi

Arata Yasuda

Yusuke Tomiyori

Mitsugu Kasagawa

Takashi Akiya

The present invention provides a production method of &#x3b1;-fluoroacrylate ester, a composition containing a highly-pure fluorocyclopropane derivative and a composition containing highly-pure &#x3b1;-fluoroacrylate ester. The present invention relates to a method of producing a compound represented by the following formula (F), including subjecting a composition containing a compound represented by the following formula (A) to a purification treatment in the order of distillation and washing with an aqueous alkali solution to give a purified product containing a compound represented by the following formula (A), and subjecting the purified product to a thermal decomposition reaction, a composition containing a highly-pure compound represented by the following formula (A), and a composition containing a highly-pure compound represented by the following formula (F), wherein R may be the same or different and is a monovalent hydrocarbon group, and X is a halogen atom: 

Method for producing &#x3b1;-fluoro acrylic acid ester, and composition containing highly-pure fluorocyclopropane derivative, and composition containing highly-pure &#x3b1;-fluoro acrylic acid ester

The invention provides a production method of a 1,2,4-oxadiazole derivative represented by formula (A), which comprises reacting a compound represented by formula (B) and a compound represented by formula (C) in the presence of a basic compound: wherein Ar is an aromatic group or an aromatic group having substituent(s); W, X, Y and Z are each independently &#x2014;S&#x2014;, &#x2014;N&#x2550;, &#x2014;CH&#x2550; or &#x2014;CR&#x2550;, and one selected from W, X, Y and Z is &#x2014;S&#x2014;; and R is an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 3 carbon atoms, a haloalkyl group having 1 to 3 carbon atoms, a haloalkoxy group having 1 to 3 carbon atoms or a halogen atom.

Method for producing 1,2,4-oxadiazole derivative

Growing community of inventors

Chiyoda-ku, Japan

Naoki Ichinokawa