申请人:Watanabe Tetsuya
公开号:US06908719B1
公开(公告)日:2005-06-21
The present invention relates to a water-soluble photosensitive compound represented by the general formula (1):
or by the general formula (2):
in the formula, X represents a direct bond, an alkylene group containing 1 to 5 carbon atoms, —CH
2
O—, —OCH
2
—, —CH
2
OCH
2
—, —O—, —S— or —SO
2
—, and Z represents —SO
3
−
.Q
+
, —COO
−
.Q
+
or —SO
2
NR
2
, in which Q
+
represents Li
+
, Na
+
, K
+
or N
+
R
4
and R represents a hydrogen atom and/or an alkyl group containing 1 to 5 carbon atoms, said alkyl group optionally having one hydroxy, ether, carbonyl, carbonyloxy or oxycarbonyl group,
wherein a photosensitive group has an absorption maximum wavelength of not longer than 305 nm in the ultraviolet absorption spectrum thereof.
本发明涉及一种水溶性光敏化合物,其通式(1)或通式(2)所示:
式中,X代表直接键、含1至5个碳原子的烷基、—CH2O—、—OCH2—、—CH2OCH2—、—O—、—S—或—SO2—;Z代表—SO3−、—COO−.Q+或—SO2NR2,其中Q+代表Li+、Na+、K+或N+R4,R代表氢原子和/或含1至5个碳原子的烷基,该烷基可选地具有一个羟基、醚基、羰基、羰氧基或氧羰基基团,其中光敏基在紫外吸收光谱中的吸收最大波长不超过305 nm。