Daikin Industries, Ltd.

Moe Hosokawa

Yosuke Kishikawa

Akiyoshi Yamauchi

Tatsuya Ohtsuka

Yoshichika Kuroki

Atsushi Shirai

Sumi Ishihara

Masahiro Higashi

Makoto Matsuura

Yoshihiro Yamamoto

Koutarou Hayashi

Hirokazu Aoyama

Taku Yamanaka

Taketo Kato

Hirotoshi Yoshida

Yoshinori Nanba

Masamichi Sukegawa

Kenji Ichikawa

Hiroyuki Sato

Yuuki Suzuki

Satoru Yoneda

Kengo Ito

Yohei Fujimoto

Chiaki Okui

Marina Nakano

Akitoshi Ogata

The present disclosure provides, for example, a method that can produce a fluorolactone compound from hexafluoropropylene oxide or the like in a single step. The present disclosure relates to a method for producing a compound represented by formula (1): wherein two Rare the same and each is a fluorine atom or a fluoroalkyl group, wherein Ris as defined above, with a compound (3) represented by formula (3-1) or the like: wherein R, R, and Rare the same or different and each is a hydrogen atom or a Calkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents,in the presence of a fluorine compound (4) represented by formula (4-1) or the like:MHF  (4-1)wherein M is a metal atom, n is 0 or 1, and the sum of the valence number of M and n is m, andan organic solvent, provided that the compound represented by formula (3) is excluded from the organic solvent.

Fluorolactone and method for producing same

The present disclosure provides, for example, a method that can produce a fluorolactone compound from hexafluoropropylene oxide or the like in a single step. The present disclosure relates to a method for producing a compound represented by formula (1):

An object of this invention is to provide a simple method for producing sulfur tetrafluoride. The object is achieved by a method for producing sulfur tetrafluoride, comprising step A of reacting a fluorinated halogen compound with sulfur chloride, the fluorinated halogen compound being represented by formula: XF, wherein X is chlorine, bromine, or iodine; and n is a natural number of 1 to 5.

Method for manufacturing sulfur tetrafluoride

A novel branched fluorine-containing compound represented by formula (1): wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; R, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents -ArSOM or the like; M, in each occurrence, is the same or different and represents hydrogen, &#x2014;NR, or a metal salt; and R represents hydrogen or a Corganic group.

Branched fluorine-containing compound

A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, the surfactant being represented by the general formula (1): CRRR&#x2014;CRR&#x2014;X-A, wherein Rto Rare each H or a monovalent substituent, with the proviso that at least one of Rand Rrepresents a group represented by the general formula: &#x2014;Y&#x2014;Rand at least one of Rand Rrepresents a group represented by the general formula: &#x2014;X-A or a group represented by the general formula: &#x2014;Y&#x2014;R; and A is the same or different at each occurrence and is &#x2014;COOM, &#x2014;SOM, or &#x2014;OSOM. Also disclosed is a surfactant for polymerization represented by the general formula (1), a method for producing a fluoropolymer using the surfactant and a composition including a fluoropolymer and the surfactant.

Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition

The problem to be solved by the present invention is to provide a novel method for producing a difluoromethylene compound, in particular, a simple method for producing a difluoromethylene compound. This problem is solved by a method for producing a difluoromethylene compound (I) containing at least one &#x2014;CF&#x2014; moiety, the method comprising step A of allowing IFand a disulfide compound (III) of the formula: R&#x2014;S&#x2014;S&#x2014;R(wherein R, in each occurrence, independently represents aryl optionally having at least one substituent or alkyl optionally having at least one substituent) to act on a carbonyl compound (II) containing at least one &#x2014;C(O)&#x2014; moiety.

Method for producing difluoromethylene compound

A novel branched fluorine-containing compound represented by formula (1):(Rf&#x2014;YLX-A)&#x2003;&#x2003;(1)wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; R, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents &#x2014;ArSOM or the like; M, in each occurrence, is the same or different and represents hydrogen, &#x2014;NR, or a metal salt; and R represents hydrogen or a Corganic group.

The problem to be solved by the present invention is to provide a novel method for producing a difluoromethylene compound. This problem is solved by a method for producing a difluoromethylene compound containing a &#x2014;CF&#x2014; moiety, the method comprising step A of mixing:

Method for manufacturing difluoromethylene compound

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Osaka, Japan

Moe Hosokawa