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公开(公告)号：US20220315831A1
公开(公告)日：2022-10-06
申请号：US17708953
申请日：2022-03-30
发明人： Yuko ARAI , Kei KOBAYASHI , Yusuke NUSHI , Mark HERON , Christopher GABBUTT , Orlando Delfim Carvalho Couto De AZEVEDO
摘要： The photochromic compound is represented by the following general formula (1): wherein, X denotes an oxygen atom or a nitrogen atom unsubstituted or substituted by a substituent selected from the following Y1 group: Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, Ra denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote any one of the divalent groups selected from the following group: l, m, and n are each independently 0 or 1, provided that n is 0 if m is 0, Y2 denotes a hydrogen atom or the like, R denotes a hydrogen atom or the like, denotes a norbornylidene group or the like.
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公开(公告)号：US20220325171A1
公开(公告)日：2022-10-13
申请号：US17708714
申请日：2022-03-30
发明人： Yuko ARAI , Kei KOBAYASHI , Yusuke NUSHI , Mark HERON , Christopher GABBUTT , Orlando Delfim Carvalho Couto de AZEVEDO
IPC分类号： C09K9/02 , C07D495/10 , G02C7/10
摘要： The photochromic compound is represented by general formula (1): wherein, X denotes an oxygen atom, or a nitrogen atom unsubstituted or substituted by a substituent selected from Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, R3 denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote a divalent group selected from the following group: l, m, and n are each independently 0 or 1, provided that n is 0 when m is 0, Y2 denotes a hydrogen atom or the like, R denotes a hydrogen atom or the like, and denotes a norbornylidene group, a bicyclo[3.3.1]nonylidene group, or an adamantylidene group which may each be substituted.
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