Fluorinated esters

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 69/65 (2006.01) C07C 69/653 (2006.01) C07C 69/657 (2006.01) C07C 235/08 (2006.01)

Patent

CA 2724704

A compound comprising Formula 2A, 2B, or 2 CA, (R a O-CO-)2Y: Formula 2A, R a O-CO-Y-CO-O-(CH2CH2)R f: Formula 2B, R a O-CO-Y-CO-O-R: Formula 2C wherein R a is the group (i) R f(CH2CF2)d-(C g H2g)-; (ii) R f OCF2CF2-(C g H2g)-; (iii) R f OCFHCF2O(CH2CH2O)v-(C g H2g)-; (iv) R f OCFHCF2O(C w H2w)-; (v) R f OCF(CF3)CONH-(C g H2g)-; or (vi) R f(CH2)h[(CF2CF2)(CH2CH2)j]k. each R f is independently C c F(2c+i); c is 2 to about 6; d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22; Y is a linear or branched diradical having olefinic unsaturation of the formula -C e H(2e-2)- wherein e is 2 or 3; R is H or a linear or branched alkyl group C b H(2b+1)-; and b is from 1 to about 18.

L'invention concerne un composé représenté par la formule 2A : (Ra-O-CO-)2Y, la formule 2B : Ra-O-CO-Y-CO-O-(CH2CH2)Rf, ou la formule 2C : Ra-O-CO-Y-CO-O-R, dans lesquelles Ra représente le groupe (i) Rf(CH2CF2)d-(CgH2g)-; (ii) RfOCF2CF2-(CgH2g)-; (iii) Rf OCFHCF2O(CH2CH2O)v-(CgH2g)-; (iv) RfOCFHCF2O(CwH2w)-; (v) RfOCF(CF3)CONH-(CgH2g)-; ou (vi) Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k. Chaque Rf représente indépendamment CcF(2c+i); c est compris entre 2 et 6 environ; d est compris entre 1 et 3 environ; g est compris entre 1 et 4; v est compris entre 1 et 4 environ; w est compris entre 3 environ et 12 environ; h est compris entre 1 et 6 environ; i, j et k sont égaux à 1, à 2 ou à 3 ou à une combinaison de ces valeurs; à condition que le nombre total d'atomes de carbone dans le groupe (vi) soit compris entre 8 environ à 22 environ; Y est un diradical linéaire ou ramifié présentant l'insaturation oléfinique de la formule -CeH(2e-2)- où e est égal à 2 ou à 3; R représente H ou un groupe alkyle linéaire ou ramifié CbH(2b+1)-; et b est compris entre 1 et 18 environ.

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