申请人:SHIMIZU Kazuya
公开号:US20120071667A1
公开(公告)日:2012-03-22
Provided are an acrylate derivative useful as a raw material of a polymer compound for resist compositions capable of giving resist patterns which are excellent in lithographic performance and have a good shape, an intermediate thereof (alcohol derivative) and production processes for them. To be specific, it is an acrylate derivative represented by a formula shown below:
(wherein R
1
represents a hydrogen atom, methyl or trifluoromethyl; R
2
, R
3
, R
5
, R
7
, R
8
, R
9
and R
10
each represent independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms; R
4
and R
6
each represent independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms, or both of R
4
and R
6
are combined to represent an alkylene group having 1 to 3 carbon atoms, —O— or —S—; and R
11
represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or a cyclic hydrocarbon group having 3 to 10 carbon atoms).
提供一种丙烯酸酯衍生物,作为聚合物化合物的原材料,用于制备抗蚀组分,能够产生卓越的光刻性能和良好形状的抗蚀图案,其中包括其中间体(醇衍生物)和其生产工艺。具体来说,它是一种由下式表示的丙烯酸酯衍生物:(其中R1代表氢原子、甲基或三氟甲基;R2、R3、R5、R7、R8、R9和R10各自独立地代表氢原子、具有1至6个碳原子的烷基、具有3至6个碳原子的环烷基或具有1至6个碳原子的烷氧基;R4和R6各自独立地代表氢原子、具有1至6个碳原子的烷基、具有3至6个碳原子的环烷基或具有1至6个碳原子的烷氧基,或R4和R6中的两个都组合起来表示具有1至3个碳原子的烷基、-O-或-S-;R11代表氢原子、具有1至6个碳原子的烷基或具有3至10个碳原子的环烃基)。