Reducing estrogenicity of alkoxylated compounds and products...

C - Chemistry – Metallurgy – 07 – C

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C07C 43/23 (2006.01) C07C 41/01 (2006.01) C07C 43/02 (2006.01) C07C 305/00 (2006.01) C07C 309/63 (2006.01) C07D 303/24 (2006.01) C07F 9/09 (2006.01) C08G 65/26 (2006.01) C08G 65/329 (2006.01)

Patent

CA 2228133

Compounds of the formula A-D-(OC2H4)x-(O-Alk)y-(OC2H4)z-OR, wherein A denotes a straight-chained or branched alkyl or alkenyl group containing 1 to 18 carbon atoms, a phenyl group, a phenyl-alkenyl group wherein the alkenyl moiety contains 1 to 4 carbon atoms, a polycyclic group containing 9 to 14 carbon atoms, a polyol, alkoxy group, or hydrogen; B denotes phenoxy, oxy, phenyl, a linear or branched alkyl or alkenyl group, an amino group, or a carbonyl group; x is 0 - 10; y is 1 - 10; z is 0 - 100; each (O-Alk) denotes straight-chained or branched propoxy, butoxy or substituted oxirane; and R is hydrogen, sulfate, sulfonate, monophosphate, diphosphate, carboxylate, monosulfosuccinate, disulfosuccinate, or a salt thereof, are useful as surfactants per se and in any application in which the corresponding purely ethoxylated surfactants are useful, and have been found to exhibit reduced or no estrogenicity in themselves and their degradation products.

Des composés de la formule A-D-(OC¿2?H¿4?)¿x?-(O-Alk)¿y?-(OC¿2?H¿4?)¿z?-OR (1) dans laquelle A désigne un groupe alkyle ou alkényle à chaîne droite ou ramifié contenant de 1 à 18 atomes de carbone, un groupe phényle, un groupe phényle-alkényle dans lequel la fraction alkényle contient de 1 à 4 atomes de carbone, un groupe polycyclique contenant de 9 à 14 atomes de carbone, un polyol, un groupe alkoxy, ou de l'hydrogène; B désigne phénoxy, oxy, phényle, un groupe alkyle ou alkényle linéaire ou ramifié, un groupe amino, ou un groupe carbonyle; x est 0 - 10; y est 1 - 10; z est 0 - 100; chaque (O-Alk) désigne propoxy, butoxy à chaîne droite ou ramifié, ou oxyrane substitué; et R est hydrogène, sulfate, sulfonate, monophosphate, diphosphate, carboxylate, monosulfosuccinate, disulfosuccinate, ou un sel de ceux-ci, sont utiles comme tensioactifs en soi et dans toute application dans laquelle les tensioactifs correspondants éthoxylés de manière pure sont utiles, et se sont avérés présenter une estrogénicité réduite ou nulle en eux-mêmes et dans leurs produits de dégradation.

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