Abstract: A fluorosulfonyl group-containing compound having a high polymerization reactivity, a process for its production, a sulfonyl group-containing polymerizable monomer led from the sulfonyl group-containing compound, and a polymer obtainable by polymerizing the sulfonyl group-containing polymerizable monomer, are provided. A compound (3) is fluorinated to form a compound (4), and then, the compound (4) is subjected to a decomposition reaction to produce a compound (5). A preferred compound (5-1) of the compound (5) is thermally decomposed to produce a compound (7-1) having a high polymerization reactivity. wherein RA is a bivalent organic group such as a fluoroalkylene group, RAF is a group having RA fluorinated, or the same group as RA, each of RB to RD which are independent of one another, is a hydrogen atom, etc., each of RBF to RDF is a fluorine atom, etc.

Abstract: A compound represented by the formula AF(—COF)n, provided that AF and n have the following meanings. AF: a fluorinated adamantane residue which is an n-valent group having an n number of hydrogen atoms removed from adamantane (provided that when n is at least 2, the removed hydrogen atoms are hydrogen atoms bonded to different carbon atoms), wherein at least one of the remaining hydrogen atoms is substituted by a fluorine atom, and the remaining hydrogen atoms may be substituted by a C1-6 alkyl group or fluoroalkyl group, and n: an integer of from 1 to 4, provided the when n is 1, AF has at least one hydrogen atom.

Abstract: Adamantane derivates which can be material compounds of a polymer excellent in etching resistance and having improved transmittance to light having a short wavelength, represented by the formula (2A?) wherein Y1F is a fluorine atom or a hydroxyl group.

Abstract: To provide a fluorinated compound, which can readily form a thin film having a hydrophobic/hydrophilic pattern, by employing an ultraviolet light having a relatively low energy.

Abstract: A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the following formula (1): HO—(CH2CH2O)r. (CH2CH(OH)CH2O)p—CH2CF2O(CF2CF2O)mCF2CH2O——(CH2CH(OH)CH2O)q. (CH2CH2O)s—H ??Formula (1) wherein m represents an integer of from 3 to 200, and each of p, q, r and s which are independent of one another, represents an integer of from 0 to 100, provided that when each of p, q, r and s which are independent of one another, is an integer of at least 1, the arrangement of —(CH2CH2O)— and —(CH2CH(OH)CH2O)— units is not particularly limited, and when one of r and p is an integer of at least 2 and the other is an integer of at least 1, or when one of q and s is an integer of at least 2 and the other is an integer of at least 1, these units may be arranged in a block form or at random.

Abstract: Adamantane derivates which can be material compounds of a polymer excellent in etching resistance and having improved transmittance to light having a short wavelength, are produced by an economically advantageous process from readily available materials. A compound (10) is subjected to esterification reaction with a compound (11) to obtain a compound (12), which is subjected to fluorination in a liquid phase to obtain a compound (13), which is then subjected to hydrolysis or alcoholysis to obtain a compound (2), which is then reacted with a compound (15) thereby to obtain a compound (1).

Abstract: The present invention provides novel compounds which are useful for the production of fluorinated adamantane derivatives excellent in etching resistance and useful as photolithographic material and so on.

Abstract: The present invention provides a process for producing compounds useful as raw materials for various fluororesins in high yields in few steps from inexpensive and readily available starting materials. The following compound (1) and the following compound (2) are reacted to form the following compound (3), then the compound (3) is fluorinated in a liquid phase to form the following compound (4), and the ester bonds in the compound (4) are dissociated to form the compound (5), or the compound (5) and the compound (6). HOCH2-Q-O—(CH2)3—OH??(1), CRBCOX??(2), RBCOOCH2-Q-O—(CH2)3—OCORB??(3), RBCOOCF2-Q-O—(CF2)3—OCORBF??(4), FCO-QF-O—(CF2)2—COF??(5), RBFCOF??(6).

Abstract: The present invention provides a process for producing compounds useful as raw materials for various fluororesins in high yields in few steps from inexpensive and readily available starting materials. The following compound (1) and the following compound (2) are reacted to form the following compound (3), then the compound (3) is fluorinated in a liquid phase to form the following compound (4), and the ester bonds in the compound (4) are dissociated to form the compound (5), or the compound (5) and the compound (6). HOCH2-Q-O—(CH2)3—OH,??(1) CRBCOX,??(2) RBCOOCH2-Q-O—(CH2)3—OCORB,??(3) RBFCOOCF2-QF-O—(CF2)3—OCORBF,??(4) FCO-QF-O—(CF2)2—COF,??(5) RBFCOF.

Abstract: It is an object of the present invention to solve difficulty in production and to provide a process to obtain fluorinated sulfonyl fluoride compound having various molecular structures efficiently at a low cost. That is, the present invention provides a process which comprises reacting (FSO2—)nRA(-E-RB)m (1F) with fluorine in a liquid phase to form (FSO2—)nRAF(-EF-RBF)m (2), and decomposing this compound to obtain (FSO2—)nRAF(-EF1)m (3), provided that RA is a (n+m) valent organic group having at least two carbon atoms, RAF is a group having RA fluorinated, or the like, each of RB and RBF is a fluorinated monovalent organic group, or the like, E is —COOCH2— or the like, EF is —COOCF2— or the like, EF1 is —COF or the like, n is an integer of at least 2, and m is an integer of at least 1.

Abstract: A fluorosulfonyl group-containing compound having a high polymerization reactivity, a process for its production, a sulfonyl group-containing polymerizable monomer led from the sulfonyl group-containing compound, and a polymer obtainable by polymerizing the sulfonyl group-containing polymerizable monomer

Abstract: A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the following formula (1): HO—(CH2CH2O)r•(CH2CH(OH)CH2O)p—CH2CF2O(CF2CF2O)mCF2CH2O—(CH2CH(OH)CH2O)q•(CH2CH2O)s—H??Formula (1) wherein m represents an integer of from 3 to 200, and each of p, q, r and s which are independent of one another, represents an integer of from 0 to 100, provided that when each of p, q, r and s which are independent of one another, is an integer of at least 1, the arrangement of —(CH2CH2O)— and —(CH2CH(OH)CH2O)— units is not particularly limited, and when one of r and p is an integer of at least 2 and the other is an integer of at least 1, or when one of q and s is an integer of at least 2 and the other is an integer of at least 1, these units may be arranged in a block form or at random.

Abstract: A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the following formula (1): HO—(CH2CH2O)r.(CH2CH(OH)CH2O)p—CH2CF2O(CF2CF2O)mCF2CH2O——(CH2CH(OH)CH2O)q.(CH2CH2O)s—H??Formula (1) wherein m represents an integer of from 3 to 200, and each of p, q, r and s which are independent of one another, represents an integer of from 0 to 100, provided that when each of p, q, r and s which are independent of one another, is an integer of at least 1, the arrangement of —(CH2CH2O)— and —(CH2CH(OH)CH2O)— units is not particularly limited, and when one of r and p is an integer of at least 2 and the other is an integer of at least 1, or when one of q and s is an integer of at least 2 and the other is an integer of at least 1, these units may be arranged in a block form or at random.

Abstract: Adamantane derivates which can be material compounds of a polymer excellent in etching resistance and having improved transmittance to light having a short wavelength, are produced by an economically advantageous process from readily available materials. A compound (10) is subjected to esterification reaction with a compound (11) to obtain a compound (12), which is subjected to fluorination in a liquid phase to obtain a compound (13), which is then subjected to hydrolysis or alcoholysis to obtain a compound (2), which is then reacted with a compound (15) thereby to obtain a compound (1).

Abstract: A compound represented by the formula AF(—COF)n, provided that AF and n have the following meanings. AF: a fluorinated adamantane residue which is an n-valent group having an n number of hydrogen atoms removed from adamantane (provided that when n is at least 2, the removed hydrogen atoms are hydrogen atoms bonded to different carbon atoms), wherein at least one of the remaining hydrogen atoms is substituted by a fluorine atom, and the remaining hydrogen atoms may be substituted by a C1-6 alkyl group or fluoroalkyl group, and n: an integer of from 1 to 4, provided the when n is 1, AF has at least one hydrogen atom.

Abstract: The present invention provides a method for producing industrially useful fluorine-containing compounds such as a fluorinated ester compound and an acid fluoride compound. Namely, the present invention resides in a method for producing a fluorinated ester compound, which comprises fluorinating an ester compound which is an ester of a compound having hydroxyl group(s) with a compound having acyl fluoride group(s) and which has a structure which can be fluorinated, in a liquid phase to produce a fluorinated ester compound, wherein the fluorination is carried out in the form of a liquid mixture of the ester compound and the compound having acyl fluoride group(s).

Abstract: It is to provide a compound which has a low vapor pressure and low viscosity, which is less problematic in deterioration during its use and which is useful as e.g. a lubricant, a surface modifier or a surfactant. A fluoropolyether compound represented by the formula (X—)xY(-Z)z, wherein X is a group represented by the formula HO—(CH2CH2O)a.(CH2CH(OH) CH2O)b—(CH2)c—CF2O(CF2CF2O)d— (wherein “a” is an integer of from 0 to 100, b is an integer of from 0 to 100, c is an integer of from 1 to 100, and d is an integer of from 1 to 200), Z is a group represented by the formula RFO(CF2CF2O)g— (wherein RF is e.g. a C120 perfluoroalkyl group having an etheric oxygen atom inserted between carbon-carbon atoms, and g is an integer of from 3 to 200), Y is e.g. a (x+z) valent perfluorinated saturated hydrocarbon group, x is an integer of at least 2, z is an integer of at least 0, and (x+z) is an integer of from 3 to 20.

Abstract: To provide a fluorinated compound, which can readily form a thin film having a hydrophobic/hydrophilic pattern, by employing an ultraviolet light having a relatively low energy. A thin film having a hydrophobic/hydrophilic pattern is formed by irradiating a thin film formed by employing a fluorinated compound represented by the following formula 1 (in the formula 1, each of R1, R2, R3 and R4 which are independent of one another, is a hydrogen atom, a halogen atom or a monovalent organic group, provided that at least one of them is a monovalent organic group having fluorine atoms, and R5 is a hydrogen atom or a monovalent organic group, R6 is a monovalent organic group, and A is a hetero atom) with ultraviolet light.

Abstract: The present invention provides a process whereby fluorine atom-containing sulfonyl fluoride compound(s) useful as e.g. materials for ion-exchange membranes, can be produced efficiently and at low cost without structural limitations while solving the difficulties in production. Namely, the present invention provides a process which comprises reacting XSO2RA-E1 (1) with RB-E2 (2) to form XSO2RA-E-RB (3), then reacting (3) with fluorine in a liquid phase to form FSO2RAF-EF-RBF (4), and further, decomposing the compound to obtain FSO2RAF-EF1 (5), wherein RA is a bivalent organic group, E1 is a monovalent reactive group, RB is a monovalent organic group, E2 is a monovalent reactive group which is reactive with E1, E is a bivalent connecting group formed by the reaction of E1 with E2, RAF is a bivalent organic group formed by the fluorination of RA, etc., RBF is the same group as RB, etc., EF is a bivalent connecting group formed by the fluorination of E, etc.

Abstract: The present invention provides a fluoropolymer having excellent mechanical strength and transparency, having a high glass transition point suitable for high-temperature use, and having a high refractive index. The present invention provides a novel compound represented by the following formula (1) and a fluoropolymer comprising monomer unit (2) formed by the polymerization of such a compound. RAF, RBF, RCF, RDF: each independently is a fluorine atom, a chlorine atom, a perfluoro monovalent saturated hydrocarbon group or a perfluoro(partially chlorinated monovalent saturated hydrocarbon) group, provided that at least one of RAF, RBF, RCF and RDF is a perfluoro(partially chlorinated monovalent saturated hydrocarbon) group.