Compound, resin precursor, hardened object, optical element, optical system, camera replacement lens, optical device, joining lens, and joining lens manufacturing method

摘要

The compound represented by the following formula (1).In formula (R1), R1 represents a hydrogen atom or a methyl group, R2 represents a hydrogen atom or a phenyl group or an alkyl group of 1 to 8 carbon atoms or a perfluoroalkyl group of 1 to 4 carbon atoms, wherein X1 represents a hydrogen atom or a hydroxy group, and Y1 represents Al atoms of 1 to An alkylene group having 1 to 9 carbon atoms that do not contain a chirene group or a fluorine atom, and N1 represents an integer of 0 to 3)