A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9). ##STR00001##

A method for producing at least one compound selected from the group consisting of a compound represented by the following formula (10), a compound represented by the following formula (11), a compound represented by the following formula (12), and a compound represented by the following formula (13), which the method containing reacting a compound represented by the following formula (2) with a compound represented by the following formula (7), in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (3), a compound represented by the following formula (4), a compound represented by the following formula (8), and a compound represented by the following formula (9). ##STR00001##

To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, capable of forming a surface layer which has high initial water/oil repellency and which is excellent in abrasion resistance, fingerprint stain removability, lubricity and uniformity, as well as a substrate having such a surface layer, and a method for its production. A substrate having a surface layer formed of a fluorinated ether compound represented by D.sup.1-R.sup.f1OCH.sub.2(C.sub.mF.sub.2mO).sub.n-A (D.sup.1 is CF.sub.3 or CF.sub.3O; R.sup.f1 is a C.sub.1-20 fluoroalkylene group containing at least one hydrogen atom, etc.; m is 1 to 6; n is 1 to 200; A is C.sub.aF.sub.2aBC.sub.bH.sub.2bSiL.sub.cR.sub.3-c; B is C.sub.gH.sub.2gO, C.sub.hH.sub.2hOC(O)NH, etc.; L is a hydrolysable group; R is a monovalent hydrocarbon group, etc.; a is 1 to 5; b is 1 to 10; c is 1 to 3; g is 1 to 5; and h is 1 to 5) or a fluorinated ether composition containing the compound; and a method for its production.

To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, capable of forming a surface layer which has high initial water/oil repellency and which is excellent in abrasion resistance, fingerprint stain removability, lubricity and uniformity, as well as a substrate having such a surface layer, and a method for its production. A substrate having a surface layer formed of a fluorinated ether compound represented by D.sup.1-R.sup.f1OCH.sub.2(C.sub.mF.sub.2mO).sub.n-A (D.sup.1 is CF.sub.3 or CF.sub.3O; R.sup.f1 is a C.sub.1-20 fluoroalkylene group containing at least one hydrogen atom, etc.; m is 1 to 6; n is 1 to 200; A is C.sub.aF.sub.2aBC.sub.bH.sub.2bSiL.sub.cR.sub.3-c; B is C.sub.gH.sub.2gO, C.sub.hH.sub.2hOC(O)NH, etc.; L is a hydrolysable group; R is a monovalent hydrocarbon group, etc.; a is 1 to 5; b is 1 to 10; c is 1 to 3; g is 1 to 5; and h is 1 to 5) or a fluorinated ether composition containing the compound; and a method for its production.

An alkoxyvinyl ether is disclosed having the chemical structure R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is an at least partially fluorinated functional group having at least one carbon atom, R.sub.f is an at least partially fluorinated functional group having at least two carbon atoms, and R is a functional group. A method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFHCFHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group. Another method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFCHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group.

An alkoxyvinyl ether is disclosed having the chemical structure R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is an at least partially fluorinated functional group having at least one carbon atom, R.sub.f is an at least partially fluorinated functional group having at least two carbon atoms, and R is a functional group. A method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFHCFHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group. Another method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFCHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group.

An aim of the present disclosure is to provide a method for producing a fluoroalkoxide, said method being more useful than conventional methods, and the like. The aim can be achieved by a method for producing a compound represented by the following formula (1): ##STR00001##
(wherein R.sup.1 is a fluoroalkyl group optionally containing an oxygen atom between carbon atoms, or a fluoroalkoxy group optionally containing an oxygen atom between carbon atoms, and
each R.sup.2 is identical to or different from each other and is a hydrocarbon group),
the method comprising the step of reacting a compound represented by the following formula (2): ##STR00002## with a compound represented by the following formula (3):
.sup.F.sup.NR.sup.2).sub.4(3).

An aim of the present disclosure is to provide a method for producing a fluoroalkoxide, said method being more useful than conventional methods, and the like. The aim can be achieved by a method for producing a compound represented by the following formula (1): ##STR00001##
(wherein R.sup.1 is a fluoroalkyl group optionally containing an oxygen atom between carbon atoms, or a fluoroalkoxy group optionally containing an oxygen atom between carbon atoms, and
each R.sup.2 is identical to or different from each other and is a hydrocarbon group),
the method comprising the step of reacting a compound represented by the following formula (2): ##STR00002## with a compound represented by the following formula (3):
.sup.F.sup.NR.sup.2).sub.4(3).

An alkoxyvinyl ether is disclosed having the chemical structure R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is an at least partially fluorinated functional group having at least one carbon atom, R.sub.f is an at least partially fluorinated functional group having at least two carbon atoms, and R is a functional group. A method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFHCFHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group. Another method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFCHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group.

An alkoxyvinyl ether is disclosed having the chemical structure R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is an at least partially fluorinated functional group having at least one carbon atom, R.sub.f is an at least partially fluorinated functional group having at least two carbon atoms, and R is a functional group. A method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFHCFHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group. Another method for preparing an alkoxyvinyl ether is disclosed, comprising R.sub.fCFCHR.sub.f+KOH/ROH.fwdarw.R.sub.fC(OR)CHR.sub.f, wherein R.sub.f is a perfluoro functional group, R.sub.f is a perfluoro functional group, and R is an alkyl functional group.