A polyurethane resin is synthesized from a compound represented by the following Formula (1), a polymerizable composition includes the polyurethane resin, a planographic printing plate precursor includes a photosensitive layer including the composition, and a method produces a diol compound that can be used as a raw material of the polyurethane resin. In Formula (1), R1 and R2 each independently represent a single bond or an alkylene group optionally having a substituent, R3 represents a hydrogen atom or an alkyl group, R4 represents a hydrogen atom or an alkyl group, and A represents a divalent or higher linking group, provided that R1 and R2 are not both a single bond.
一种聚
氨酯
树脂是由下式(1)表示的化合物合成的,一种可聚合组合物包括该聚
氨酯
树脂,一种平版印刷板前体包括包括该组合物的感光层,以及一种生产可用作聚
氨酯
树脂原料的二元醇化合物的方法。在式(1)中,R1 和 R2 各自独立地代表单键或任选具有取代基的亚烷基,R3 代表氢原子或烷基,R4 代表氢原子或烷基,A 代表二价或更高的连接基团,条件是 R1 和 R2 并非都是单键。