会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Chiral compounds and their use as chiral dopants for producing cholesteric liquid crystal compositions
    • 手性化合物及其作为手性掺杂剂用于生产胆甾型液晶组合物的用途
    • US06468444B1
    • 2002-10-22
    • US09531468
    • 2000-03-20
    • Frank MeyerPeter SchuhmacherFrank Prechtl
    • Frank MeyerPeter SchuhmacherFrank Prechtl
    • C09K1936
    • A61K8/0295A61Q17/04C09K19/00C09K19/0422C09K19/2014C09K19/588C09K2019/0448C09K2019/3095
    • Chiral dopants of the formula I Z1—Y1—(A1)m—Y2—M—Y3—X—Y4—(A2)n—Y5—Z2  I in which the variables have, independently of one another, the following meanings: A1 and A2 a spacer with a chain length of 1 to 30 carbon atoms; Y1 to Y5 a chemical bond, —O—, —S—, —C(═O)—, —C(═O)—O—, —O—C(═O)—, —CH═CH—C(═O)—O—, —O—C(═O)—O—, —C(═O)—N(R)— or —(R)N—C(═O)—, —CH2—O—, —O—CH2—, —CH═N—, —N═CH— or —N═N—; M a mesogenic group; R hydrogen, C1-C4-alkyl; Z1 and Z2 hydrogen, C1-C4-alkyl, a polymerizable group or a radical having a polymerizable group; x a dianhydrohexitol residue selected from the group consisting of dianhydrosorbitol, dianhydromannitol and dianhydroiditol; m/n 0 or 1, where the radicals Z1, Z2, Y1 to Y5, A1 and A2 can be identical or different, and at least one Z1 or Z2 radical is a polymerizable group or a radical having a polymerizable group, and their use as chiral dopants for producing cholesteric liquid crystal compositions which can be employed as UV filters in cosmetic and pharmaceutical preparations.
    • 变量具有彼此独立的以下含义的式Iin的手性掺杂剂:具有1至30个碳原子的链长的A1和A2a间隔基; Y1至Y5a化学键,-O - , - S - , - C(= O) - , - C(= O)-O-,-OC(= O) - , - CH = CH-C(= O)-O-,-OC(= O) C(= O)-N(R) - 或 - (R)NC(= O) - , - CH 2 -O-,-O-CH 2 - , - CH = N-,-N = CH-或-N = N-; M是介晶基团; R氢,C1-C4-烷基; Z1和Z2H2,C1-C4-烷基,可聚合基团或具有可聚合基团的基团; xa二脱水己糖醇残基,其选自二脱水山梨糖醇,二脱水甘露糖醇 和二氨基甲醇; m / n 0或1,其中基团Z 1,Z 2,Y 1至Y 5,A 1和A 2可以相同或不同,并且至少一个Z 1或Z 2基团是可聚合基团或具有可聚合基团的基团, 以及它们作为用于生产胆甾型液晶组合物的手性掺杂剂的用途,其可用作化妆品和药物制剂中的UV过滤器。