| abstract |
COMPOUNDS OF THE FORMULA I,II,III,IV AND V(FORMULA I, II, III,IV AND V)R1 I.A. IS C4-C9CYCLOALKANOYL, C4-C6ALKENOYL, OR BENZOYL; R2 IS FOR EXAMPLE PHENYL, C1-C20ALKYL, C3-C8CYCLOALKYL, C2-C20ALKANOYL, OR BENZOYL; AR1 IS R4S-PHENYL OR NR5R6-PHENYL , EACH OF WHICH OPTIONALLY IS SUBSTITUTED; OR A1 I.A. IS (FORMULA) , OPTIONALLY SUBSTITUTED ; OR A1 IS NAPTHYL OR ANTHRACYL EACH OF WHICH IS UNSUBSTITUTED OR SUBSTITUTED; OR AR1 IS BENZOYL, NAPTHALENECARBONYL, PHENANTHRENECARBONYL, ANTHRACENECARBONYL OR PYRENECARBONYL, EACH OF WHICH IS UNSUBSTITUTED OR SUBSTITUTED , OR AR1 IS 3,4,5-TRIMETHOXYPHENYL, PHENOXYPHENYL OR BIPHENYL; AR2 I.A.IS (FORMULA ), OPTIONALLY SUBSTITUTED , OR NAPTHYL OR ANTHRACYL, EACH OF WHICH IS UNSUBSTITUTED OR SUBSTITUTED ,X IS 2 OR 3;M1 WHEN X IS 3, IS A TRIVALENT RADICAL ; M2 FOR EXAMPLE IS (FORMULA) ; M3 IS FOR EXAMPLE C1-C12ALKYLENE, CYCLOHEXYLENE, OR PHENYLENE; N IS 1-20; R3 IS FOR EXAMPLE HYDROGEN OR C1-C12ALKYL ; R3' I.A. IS C1-C12ALKYL ; SUBSTITUTED OR -O-INTERRUPTED C2-C6ALKYL; R4 IS FOR EXAMPLE HYDROGEN , OR C1-C12ALKYL AND R5 AND R6 INDEPENDENTLY OF EACH OTHER I.A. ARE HYDROGEN , C1-C12ALKYL , OR PHENYL ;ARE SUITABLE AS PHOTOINITIATORS IN PARTICULAR IN RESIST APPLICATIONS. |