摘要:
A compound represented by the formula (1). wherein Ra is alkyl having 1 to 10 carbon(s) and, in that alkyl, any of -CH 2 - may be replaced with -O-, -S-, -CO-, -CH=CH- or -C≡C- or any of hydrogens may be replaced with halogen or -CN; A 1 , A 2 and A 3 are independently 1,4-cycolohexylene, 1,4-cyclohexenylene, 1,4-phenylene, naphthalene-2,6-diyl, 1,2,3,4-tetrahydronaphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl or 1,4-bicyclo[2.2.2]octylene and, in such a ring, any -CH 2 - may be replaced with -O-, any -CH= may be replaced with -N= and any hydrogen may be replaced with halogen; Z 1 , Z 2 and Z 3 are independently a single bond, -(CH 2 ) 2 -, -(CF 2 ) 2 -, -COO-, -OCO-, -CH 2 O-, -OCH 2 -, -CF 2 O-, -OCF 2 -, -CH=CH-, -CF=CF-, -C≡C-, -(CH 2 ) 4 -, -(CH 2 ) 3 O- or -O(CH 2 ) 3 -; p and q are independently 0 or 1. Also provided is a liquid crystal composition containing the same and a liquid crystal display element containing the composition.
摘要:
Liquid crystalline compounds which exhibit a low threshold voltage, have a low viscosity, and are excellent in miscibility with other known liquid crystalline compounds, particularly excellent in that at low temperatures; liquid crystal compositions comprising the liquid crystalline compound; and liquid crystal display devices comprising the liquid crystal composition are provided; and the liquid crystalline compounds have a fluorine substituted bonding group and are expressed by the general formula (1) wherein R 1 and R 2 independently represent a straight chain or branched alkyl group having 1 to 15 carbon atoms or an alkenyl group having 2 to 15 carbon atoms, a halogen atom, CN group, CF 3 group, OCF 3 group, or OCHF 2 group, one or more hydrogen atoms in the alkyl or alkenyl group may be replaced by a halogen atom, and one or not-adjacent two or more CH 2 groups in the alkyl or alkenyl group may be replaced by oxygen atom, sulfur atom, -SiH 2 -, -CH=CH-, or -C≡C-; ring A, ring B, ring C, and ring D independently represent 1,4-cyclohexylene group one or more CH 2 groups on the ring may be replaced by oxygen atom or sulfur atom, 1,4-cyclohexenylene group, or 1,4-phenylene group one or more CH groups on the ring may be replaced by nitrogen atom and one or more hydrogen atoms on the ring may be replaced by a halogen atom; Z 1 and Z 2 independently represent -(CH 2 ) 2 -, -CH=CH-, -C≡C-, or single bond; m and n are independently an integer of 0 to 2; q and r are independently 1 or 2; o and p are independently an integer of 0 to 2 provided that o + p = 2; and an element which constitutes the compound may be replaced by its isotope.
摘要:
Provided are amine-containing hydrofluoroether compounds represented by the following general formula (I), wherein (I) Y is a single bond or CF2 and wherein (i) Rf.1 and Rf2 are independently linear or branched perfluoroalkyl groups having with 1-8 carbon atoms and optionally comprise at least one catenated heteroatom, or (ii) Rf1 and Rf2 are bonded together to form a ring structure having 4-6 carbon atoms and optionally comprise one or more catenated heteroatoms; with the proviso that if Rf1 and Rf2 are bonded together to form a ring structure comprising a nitrogen heteroatom, said nitrogen heteroatom is tertiary and is bonded to a perfluoroalkyl group having 1-3 carbon atoms.
摘要:
The present invention relates to processes for the preparation of 4-hydroxy-α'-[[[6-(4-phenylbutoxy)hexyl]amino]methyl]-1,3-benzenedimethanol 1-hydroxy-2-naphthoate (salmeterol xinafoate) (12a), the preparation of 4-hydroxy-α'-[[[6-(4-phenylbutoxy)hexyl]amino]methyl]-1,3-benzenedimethanol (salmeterol) (11), the preparation of protected N-[6-(4-phenylbutoxy)hexyl]amine intermediates (7), and the preparation of 6-substituted (4-phenylbutoxy)hexane intermediates (5), shown below, wherein X is a leaving group and Pg is a protecting group.
摘要:
To provide a fluoropolymer having functional groups and having high transparency in a wide wavelength region, and a resist composition comprising the fluoropolymer. A fluoropolymer (A) having monomer units formed by polymerization of a fluorinated diene represented by the following formula (1):
CF 2 =CFCH 2 CH-Q-CH 2 CH=CH 2 (1)
wherein Q is (CH 2 ) a C(CF 3 ) 2 OR 4 (wherein a is an integer of from 0 to 3, R 4 is an alkyl group or a fluorinated alkyl group having at most 20 carbon atoms which may have an etheric oxygen atom, an alkoxycarbonyl group having at most 6 carbon atoms, or CH 2 R 5 (wherein R 5 is an alkoxycarbonyl group having at most 6 carbon atoms)), or (CH2) d COOR 6 (wherein d is 0 or 1, and R 6 is a hydrogen atom, or an alkyl group or a fluorinated alkyl group having at most 20 carbon atoms), a process for its production and a resist composition having the fluoropolymer (A) as a base.
摘要:
A novel perfluoroallyloxy compound represented by general formula (I) and a liquid crystal composition containing the compound are disclosed. The perfluoroallyloxy compound is useful as a liquid crystal material.