申请人:KATO Shunya
公开号:US20110245538A1
公开(公告)日:2011-10-06
Provide is a compound having absorbability in an infrared region, excellent invisibility and robustness. The compound is a squarylium compound represented Formula (1):
wherein, R
1
and R
2
represent an alkyl group, cycloalkyl group, aryl group, or heteroaryl group, which may be substituted by a substituent; R
3
and R
4
represent a hydrogen atom or alkyl group; X
1
and X
2
represent an oxygen atom or —NR
5
—, in which R
5
represents a hydrogen atom or alkyl group; Y
1
, Y
2
, Y
3
and Y
4
represent a halogen atom, alkyl group, cycloalkyl group, aryl group, heteroaryl group, arylcarbonyloxy group, or alkylcarbonyloxy group; a plurality of Y
1
's, Y
2
's, Y
3
's, or Y
4
's may be bonded to form a ring structure, respectively; Y
1
and Y
2
, or Y
3
and Y
4
may be bonded to form a ring structure; n
1
and n
4
represent an integer of 0 to 3; and n
2
and n
3
represent an integer of 0 to 2.
提供一种在红外区域具有吸收性、优异的隐形性和稳定性的化合物。该化合物是一种苯并二氮杂环庚酮化合物,表示为式(1):其中,R1和R2代表烷基、环烷基、芳基或杂芳基,可以被取代;R3和R4代表氢原子或烷基;X1和X2代表氧原子或—NR5—,其中R5代表氢原子或烷基;Y1、Y2、Y3和Y4代表卤素原子、烷基、环烷基、芳基、杂芳基、芳基羰氧基或烷基羰氧基;多个Y1、Y2、Y3或Y4可以分别连接形成环结构;Y1和Y2,或Y3和Y4可以连接形成环结构;n1和n4代表0到3的整数;n2和n3代表0到2的整数。