Bathochromic mono- and bis-acylphosphine oxides and sulfides...

G - Physics – 03 – F

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G03F 7/029 (2006.01) C07F 9/32 (2006.01) C07F 9/53 (2006.01) C07F 9/572 (2006.01) C07F 9/6533 (2006.01) C08F 2/50 (2006.01)

Patent

CA 2454914

Compounds of formula (I), wherein A is S or 0; x is O or 1; a is SR10 or N(R11)(R12); R1 and R2 are C1-C24alkyl, OR10, CF3 or halogen; R3, R4 and R5 are hydrogen, C1-C24alkyl, OR10 or halogen; or two of the radicals R11 R21 R31 R4 and/or R9 together form C1-C2oalkylene uninterrupted or interrupted by 0, S or NR13; R6, R11 R8 and R9 are hydrogen, C1-C24alkyl; C2-C24alkyl which is interrupted one or more times by non-consecutive O atoms and unsubstituted or substituted by OH and/or SH, or R6, R7, R8 and Rg are OR10; halogen; or phenyl unsubstituted or substituted one or more times by C-Calkyl; R10, R11 and R12 are e.g. ydrogen; X is e.g. (II), and R2; have one of the meanings given for R1 and R2; and R3', R4' and Rs' have one of the meanings given for R3, R4 and R5; are suitable as photoinitiators, especially for irradiation with light of relatively long wavelengths.

L'invention concerne des composés de formule (I), dans laquelle A est S ou O; x est 0 ou 1; Q est SR¿10? ou N(R¿11?)(R¿12?); R¿1? et R¿2? sont alkyle C¿1?-C¿24?, OR¿10?, CF¿3? ou halogène; R¿3?, R¿4? et R¿5? sont hydrogène, alkyle C¿1?-C¿24?, OR¿10? ou halogène, ou deux des radicaux R¿1?, R¿2?, R¿3?, R¿4? et/ou R¿5? forment ensemble alkylène C¿1?-C¿24? ininterrompu ou interrompu par O, S ou NR¿13?; R¿6?, R¿7?, R¿8? et R¿9? sont hydrogène, alkyle C¿1?-C¿24?, alkyle C¿2?-C¿24? interrompu une ou plusieurs fois par des atomes O non consécutifs et non substitué ou substitué par OH et/ou SH, ou R¿6?, R¿7?, R¿8? et R¿9? sont OR¿10?, halogène ou phényle non substitué ou substitué une ou plusieurs fois par alkyle C¿1?-C¿4?; R¿10?, R¿11? et R¿12? sont, par exemple, alkyle C¿1?-C¿24?, phényle ou benzyle; R¿13? est, par exemple, hydrogène; X est, par exemple, (1), (2), (3) ou OR¿10?; R¿1?' et R¿2?' ont l'une des représentations données pour R¿1? et R¿2?; et R¿3?', R¿4?' et R¿5?' ont l'une des représentations données pour R¿3?, R¿4? et R¿5?. Lesdits composés sont utiles comme photoamorceurs, notamment en vue d'une irradiation avec une lumière présentant des longueurs d'ondes relativement longues.

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