| 摘要 |
Disclosed is an oxime ester compound represented by the general formula (I). (I) wherein R1 and R2 independently represent R11, OR11, COR11, SR11, CONR12R13 or CN; R11, R12 and R13 independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, or a heterocyclic group having 2 to 20 carbon atoms; R3 and R4 independently represent R11, OR11, SR11, COR11, CONR12R13, NR12COR11, OCOR11, COOR11, SCOR11, OCSR11, COSR11, CSOR11, CN, a halogen atom, or a hydroxyl group; a and b independently represent a number of 0 to 4; X represents an oxygen atom, a sulfur atom, a selenium atom, CR31R32, CO, NR33 or PR34; and R31, R32, R33 and R34 independently represent R11, OR11, COR11, SR11, CONR12R13 or CN.
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