| abstract |
Provided are a compound that provides a photosensitive composition having excellent sensitivity, and a method for preparing the compound. In the oxime ester compound comprising a carbazole ring or a fluorene ring as a main skeleton, an aryl group, a heteroaryl group, a carbon-carbon double bond and a carbon-carbon triple each having an electron withdrawing group on the carbazole ring or the fluorene ring A chain aliphatic hydrocarbon group containing one or more bonds selected from bonds, or a group combining them is introduced. As an electron withdrawing group, a nitro group or a cyano group is preferable. |