The present invention provides a compound having the structure:
本发明提供了一种具有以下结构的化合物:
PIPERAZINE COMPOUNDS WITH A HERBICIDAL ACTION
申请人:Hupe Eike
公开号:US20090156553A1
公开(公告)日:2009-06-18
The invention relates to the use of piperazine compounds of formula (I) or the agriculturally useful salts of piperazine compounds of formula (I) as herbicides, the variables in formula (I) being defined as cited in the claims and the description.
Novel vinyl carbonate and vinyl carbamate contact lens material monomers
申请人:BAUSCH & LOMB INCORPORATED
公开号:EP0396364A2
公开(公告)日:1990-11-07
Novel monomers of the general formula
where b is 0 or 1, a is 1, 2, 3 or 4, R2 is a monovalent alkyl radical and R is an organic radical. The novel monomers may be employed to produce novel copolymers useful as hydrogel, soft non-hydrogel and/or rigid gas permeable contact lens materials.
Vinyl carbonate and vinyl carbamate monomers for a contact lens material
申请人:BAUSCH & LOMB INCORPORATED
公开号:EP0757033A2
公开(公告)日:1997-02-05
There is provided a compound of the general formula:
wherein
a is 1, 2, 3 or 4;
X is -O-, -S- or -NR3-;
R3 is H or a monovalent alkyl radical; and
R is selected from an organosilicon radical, a heterocyclic-containing radical, an adamantyl-containing radical, an alkylene radical, a fluoroalkylene radical and a hydroxyalkyl radical.
提供了通式如下的化合物
其中
a 是 1、2、3 或 4;
X是-O-、-S-或-NR3-;
R3 是 H 或单价烷基;以及
R 选自有机硅基、含杂环基、含金刚烷基、亚烷基、氟亚烷基和羟烷基。
High molecular compound, monomer compounds and photosensitive composition for photoresist, pattern forming method utilizing photosensitive composition, and method of manufacturing electronic components
申请人:Kabushiki Kaisha Toshiba
公开号:US20030235781A1
公开(公告)日:2003-12-25
Disclosed is a polymer compound for photoresist characterized in that the polymer compound is formed of a polymer compound having at least one skeleton represented by the following general formula (1), general formula (2A), general formula (2B) or general formula (2C):
1
(wherein R is an alicyclic skeleton; at least one of R
x1
s is an electron-withdrawing group, the residual R
x1
s being the same or different and being individually a hydrogen atom or monovalent organic group; with the proviso that R may contain a heteroatom, and that R and R
x1
may be combined to form a ring; at least one of R
x1
s is an electron-withdrawing group, the residual R
x1
s being the same or different and being individually a hydrogen atom or monovalent organic group; R
2
s may be the same or different and are individually a hydrogen atom or monovalent organic group; and n is an integer ranging from 2 to 25; with the proviso that at least two carbon atoms selected from carbon atoms constituting R
2
and carbon atoms to which the R
2
s are connected may be combined to form a condensed ring).
本发明公开了一种用于光刻胶的聚合物化合物,其特征在于该聚合物化合物是由至少一个骨架由以下通式(1)、通式(2A)、通式(2B)或通式(2C)表示的聚合物化合物形成的:
1
(其中 R 为脂环族骨架;R
x1
中至少有一个是取电子基团,残余 R
x1
s 相同或不同,且各自为氢原子或单价有机基团;但 R 可含有一个杂原子,且 R 和 R
x1
可组合成一个环;R
x1
中至少有一个是抽电子基团,残余的 R
x1
s 相同或不同,且各自为氢原子或单价有机基团;R
2
s 可以相同或不同,且各自为氢原子或一价有机基团;n 为 2 至 25 之间的整数;但至少有两个碳原子选自构成 R 2
2
的碳原子和 R
2
s 连接的碳原子中选出的至少两个碳原子可结合形成一个缩合环)。