1071600-29-7Relevant articles and documents
ALPHA-HYDROXYKETONES
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Page/Page column 60-61, (2008/12/04)
Compounds of theFormula (I) wherein x is an integer from 1-4; p is an integer from 1-3; q is an integer from 0-3; Ar is phenyl, naphthyl, anthryl or phenanthryl each of which optionally is substituted by one or more Cl, CN, OR5, C3-C5alkenyl or C1-C6alkyl which optionally is substituted by one or more OR6, COOR or halogen; R1ifx is 1, is OR7, O- X+, NR8R9, C1-C20alkyl optionally substituted by one or more COOR10, or is C2-C20alkyl interrupted by one ore more O, or is C2-C5alkenyl or phenyl-C1-C4alkyl; R1ifx is 2, is for example C1-C20alkylene; R1ifx is 3, is for example a tri- valent radical; R1if x is 4, is for example a tetravalent radical; R2and R3are hydrogen or C1- C8alkyl, or R2and R3together are O, C1-C3alkylene or CH=CH; R4 is C1-C4alkyl; R5, R6, R7, R8, R9 and R10are for example hydrogen or C1-C4alkyl; and X is a x-valent cationic counter ion; are in particular suitable as photoinitiators forthe curing with UV-A light (320-450 nm).