Title:
【発明の名称】フエニルイソチオシアネート類
Document Type and Number:
Japanese Patent JPH0662557
Kind Code:
B2
Abstract:
1. Claims for the Contracting States BE, CH, DE, FR, GB, IT, LI, NL, SE Compounds of the general formula see diagramm : EP0169327,P26,F1 wherein X represents a single covalent bond, the ethylene group -CH2 CH2 -, 1,4-phenylene, a 2,5-disubstituted pyrimidine ring or the group of the formula see diagramm : EP0169327,P26,F2 ring A represents trans-1,4-cyclohexylene or, when X represents a single covalent bond, also 1,4-phenylene, a 2,5-disubstituted pyrimidine ring or a trans-2,5-disubstituted m-dioxane ring ; and R1 signifies straight-chain trans-1-alkenyl with 2 to 12 carbon atoms or straight-chain trans-3-alkenyl with 4 to 12 carbon atoms or, when X represents -CH2 CH2 -, 1,4-phenylene, a 2,5-disubstituted pyrimidine ring or a group of formula IA or ring A denotes a 2,5-disubstituted pyrimidine ring or a trans-2,5-disubstituted m-dioxane ring, R**1 also signifies straight-chain alkyl with 1 to 12 carbon atoms ; and one of the benzene rings optionally has a lateral fluorine substituent. 1. Claims for the Contracting State AT A liquid crystalline mixture with at least 2 components, characterized in that at least one component is a compound of the general formula see diagramm : EP0169327,P27,F2 wherein X represents a single covalent bond, the ethylene group -CH2 CH2 -, 1,4-phenylene, a 2,5-disubstituted pyrimidine ring or the group of the formula see diagramm : EP0169327,P27,F3 ring A represents trans-1,4-cyclohexylene or, when X represents a single covalent bond, also 1,4-phenylene, a 2,5-disubstituted pyrimidine ring or a trans-2,5-disubstituted m-dioxane ring : and R**1 signifies straight-chain trans-1-alkenyl with 2 to 12 carbon atoms or straight-chain trans-3-alkenyl with 4 to 12 carbon atoms or, when X represents -CH2 CH2 -, 1,4-phenylene, a 2,5-disubstituted pyrimidine ring or a group of formula IA or ring A denotes a 2,5-disubstituted pyrimidine ring or a trans-2,5-disubstituted m-dioxane ring, R**1 also signifies straight-chain alkyl with 1 to 12 carbon atoms ; and one of the benzene rings optionally has a lateral fluorine substituent.
Inventors:
Martin petr dolphin
Martyne shyatt
Alois Billinger
Martyne shyatt
Alois Billinger
Application Number:
JP11059885A
Publication Date:
August 17, 1994
Filing Date:
May 24, 1985
Export Citation:
Assignee:
F. Hoffman-La Roche AG
International Classes:
C07C45/59; C07C67/00; C07C325/00; C07C331/28; C07D239/26; C07D303/46; C07D317/72; C07D319/06; C07D319/12; C09K19/12; C09K19/30; C09K19/34; C09K19/44; C09K19/46; G02F1/13; G09F9/35; (IPC1-7): C07C331/28; C07D239/26; C07D319/06; C09K19/12; C09K19/30; C09K19/34; C09K19/44; C09K19/46; G02F1/13
Domestic Patent References:
| JP60222458A |
Attorney, Agent or Firm:
Heiyoshi Odashima
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