Compounds and liquid crystalline medium
Substituted piperidine compounds (I) are new. Substituted piperidine compounds of formula (I) are new. ZG : an organic group with 4 binding sites; Z 1> 1>, Z 1> 2> : -O-, -(C=O)-, -(N-R 1> 4>)- or a single bond, where simultaneously Z 1> 1>and Z 1> 2>are not -O-; either...
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| description | Substituted piperidine compounds (I) are new. Substituted piperidine compounds of formula (I) are new. ZG : an organic group with 4 binding sites; Z 1> 1>, Z 1> 2> : -O-, -(C=O)-, -(N-R 1> 4>)- or a single bond, where simultaneously Z 1> 1>and Z 1> 2>are not -O-; either Y 1> 1>-Y 1> 4> : 1-4C-alkyl; or Y 1> 1>Y 1> 2>, Y 1> 3>Y 1> 4> : 3-6C-divalent group; R 1> 1> : O-R 1> 3>, O (preferred) or OH, preferably isopropyloxy, cyclohexyloxy, acetophenyloxy or benzyloxy; R 1> 2> : H, F, OR 1> 4>, NR 1> 4>R 1> 5>, 1-20C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-), cycloalkyl or alkylcycloalkyl unit (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)-, two adjacent -CH 2- groups are not optionally replaced by -O- and one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>), (hetero)aryl (in which one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>) or hydrocarbyl; R 1> 3> : R 1> 2>, 1,4-cyclohexylene (in which one or more -CH 2- groups are optionally replaced by -O-, -CO or -NR 1> 4>), acetophenyl-isopropyl or 3-heptyl; R 1> 4>, R 1> 5> : 1-10C-alkyl, 1-10C-acyl, 6-12C-aryl hydrocarbyl or 6-12C-carboxylic acid; R 1> 6> : 1-10C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-); m : 4-n; r, s : 0 or 1; and n : 1-4, provided that, if n is 1, R 1> 1>is O and -[Z 1> 1>] r-[Z 1> 2>] sis -O-, -(CO)-O-, -O-(CO)-O-, -NR 1> 4>- or -NR 1> 4>-(CO)- and [R 1> 2>] n-ZG is not 1-10C-alkyl, cycloalkyl, cycloalkylalkyl or alkylcycloalkyl (in which one or more -CH 2-groups are optionally replaced by -O- and two O atoms are not directly bonded), and if n is 2, R 1> 1>is O and [R 1> 2>] m-ZG-[Z 1> 1>] r-[Z 1> 2>] s- is not a piperidine group of formula (a), and if n is 2, R 1> 1>is OR 1> 3>and R 1> 3>is not n-1-9C-alkyl. Independent claims are included for: (1) a liquid crystal medium comprising the piperidine compound (I), one or more cyclohexane compound of formula (II) and one or more fluorinated benzene compounds of formula (III1)-(III4); (2) stabilizing the liquid crystalline medium comprising adding (I) and optionally one or more compounds comprising 2,6-di-tert-butyl-4-(4-propyl-cyclohexyl)-phenol, 2,6-di-tert-butyl-4-(5-propyl-[1,3]dioxan-2-yl)-phenol, heptadecanoic acid 3,5-di-ter |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP2514800B2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP2514800B2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP2514800B23</originalsourceid><addsrcrecordid>eNrjZFB3zs8tyC_NSylWSMxLUcjJLCzNTFFILqosLknMycnMS1XITU3JLM3lYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgFGpoYmFgYGTkbGRCgBAG0UJ8A</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Compounds and liquid crystalline medium</title><source>esp@cenet</source><creator>Fortte, Rocco ; Goebel, Mark ; Pauluth, Detlef</creator><creatorcontrib>Fortte, Rocco ; Goebel, Mark ; Pauluth, Detlef</creatorcontrib><description>Substituted piperidine compounds (I) are new. Substituted piperidine compounds of formula (I) are new. ZG : an organic group with 4 binding sites; Z 1> 1>, Z 1> 2> : -O-, -(C=O)-, -(N-R 1> 4>)- or a single bond, where simultaneously Z 1> 1>and Z 1> 2>are not -O-; either Y 1> 1>-Y 1> 4> : 1-4C-alkyl; or Y 1> 1>Y 1> 2>, Y 1> 3>Y 1> 4> : 3-6C-divalent group; R 1> 1> : O-R 1> 3>, O (preferred) or OH, preferably isopropyloxy, cyclohexyloxy, acetophenyloxy or benzyloxy; R 1> 2> : H, F, OR 1> 4>, NR 1> 4>R 1> 5>, 1-20C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-), cycloalkyl or alkylcycloalkyl unit (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)-, two adjacent -CH 2- groups are not optionally replaced by -O- and one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>), (hetero)aryl (in which one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>) or hydrocarbyl; R 1> 3> : R 1> 2>, 1,4-cyclohexylene (in which one or more -CH 2- groups are optionally replaced by -O-, -CO or -NR 1> 4>), acetophenyl-isopropyl or 3-heptyl; R 1> 4>, R 1> 5> : 1-10C-alkyl, 1-10C-acyl, 6-12C-aryl hydrocarbyl or 6-12C-carboxylic acid; R 1> 6> : 1-10C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-); m : 4-n; r, s : 0 or 1; and n : 1-4, provided that, if n is 1, R 1> 1>is O and -[Z 1> 1>] r-[Z 1> 2>] sis -O-, -(CO)-O-, -O-(CO)-O-, -NR 1> 4>- or -NR 1> 4>-(CO)- and [R 1> 2>] n-ZG is not 1-10C-alkyl, cycloalkyl, cycloalkylalkyl or alkylcycloalkyl (in which one or more -CH 2-groups are optionally replaced by -O- and two O atoms are not directly bonded), and if n is 2, R 1> 1>is O and [R 1> 2>] m-ZG-[Z 1> 1>] r-[Z 1> 2>] s- is not a piperidine group of formula (a), and if n is 2, R 1> 1>is OR 1> 3>and R 1> 3>is not n-1-9C-alkyl. Independent claims are included for: (1) a liquid crystal medium comprising the piperidine compound (I), one or more cyclohexane compound of formula (II) and one or more fluorinated benzene compounds of formula (III1)-(III4); (2) stabilizing the liquid crystalline medium comprising adding (I) and optionally one or more compounds comprising 2,6-di-tert-butyl-4-(4-propyl-cyclohexyl)-phenol, 2,6-di-tert-butyl-4-(5-propyl-[1,3]dioxan-2-yl)-phenol, heptadecanoic acid 3,5-di-tert-butyl-4-hydroxy-phenyl ester, (4-pentyl-cyclohexyl)-acetic acid 3,5-di-tert-butyl-4-hydroxy-phenyl ester, 2,5-bis-(1,1,3,3-tetramethyl-butyl)-benzene-1,4-diol or acrylic acid 2-tert-butyl-6-(3-tert-butyl-2-hydroxy-5-methyl-benzyl)-4-methyl-phenyl ester; and (3) the preparation of (I) using 4-hydroxy-2 ,2,6,6-tetramethylpiperidin-1-oxyl. R 2> 1> : 1-7C-alkyl or 2-7C-alkenyl (both are unsubstituted), preferably n-propyl; R 2> 2> : unsubstituted 2-7C-alkenyl, preferably vinyl; R 3> 1> : unsubstituted 1-7C-alkyl; R 3> 2> : 1-7C-alkyl or 1-6C-alkoxy (both are unsubstituted); and m, t, o : 0 or 1. [Image] [Image] [Image].</description><language>eng ; fre ; ger</language><subject>ADHESIVES ; CHEMISTRY ; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; DYES ; FREQUENCY-CHANGING ; HETEROCYCLIC COMPOUNDS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; ORGANIC CHEMISTRY ; PAINTS ; PHYSICS ; POLISHES ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180307&DB=EPODOC&CC=EP&NR=2514800B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180307&DB=EPODOC&CC=EP&NR=2514800B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Fortte, Rocco</creatorcontrib><creatorcontrib>Goebel, Mark</creatorcontrib><creatorcontrib>Pauluth, Detlef</creatorcontrib><title>Compounds and liquid crystalline medium</title><description>Substituted piperidine compounds (I) are new. Substituted piperidine compounds of formula (I) are new. ZG : an organic group with 4 binding sites; Z 1> 1>, Z 1> 2> : -O-, -(C=O)-, -(N-R 1> 4>)- or a single bond, where simultaneously Z 1> 1>and Z 1> 2>are not -O-; either Y 1> 1>-Y 1> 4> : 1-4C-alkyl; or Y 1> 1>Y 1> 2>, Y 1> 3>Y 1> 4> : 3-6C-divalent group; R 1> 1> : O-R 1> 3>, O (preferred) or OH, preferably isopropyloxy, cyclohexyloxy, acetophenyloxy or benzyloxy; R 1> 2> : H, F, OR 1> 4>, NR 1> 4>R 1> 5>, 1-20C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-), cycloalkyl or alkylcycloalkyl unit (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)-, two adjacent -CH 2- groups are not optionally replaced by -O- and one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>), (hetero)aryl (in which one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>) or hydrocarbyl; R 1> 3> : R 1> 2>, 1,4-cyclohexylene (in which one or more -CH 2- groups are optionally replaced by -O-, -CO or -NR 1> 4>), acetophenyl-isopropyl or 3-heptyl; R 1> 4>, R 1> 5> : 1-10C-alkyl, 1-10C-acyl, 6-12C-aryl hydrocarbyl or 6-12C-carboxylic acid; R 1> 6> : 1-10C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-); m : 4-n; r, s : 0 or 1; and n : 1-4, provided that, if n is 1, R 1> 1>is O and -[Z 1> 1>] r-[Z 1> 2>] sis -O-, -(CO)-O-, -O-(CO)-O-, -NR 1> 4>- or -NR 1> 4>-(CO)- and [R 1> 2>] n-ZG is not 1-10C-alkyl, cycloalkyl, cycloalkylalkyl or alkylcycloalkyl (in which one or more -CH 2-groups are optionally replaced by -O- and two O atoms are not directly bonded), and if n is 2, R 1> 1>is O and [R 1> 2>] m-ZG-[Z 1> 1>] r-[Z 1> 2>] s- is not a piperidine group of formula (a), and if n is 2, R 1> 1>is OR 1> 3>and R 1> 3>is not n-1-9C-alkyl. Independent claims are included for: (1) a liquid crystal medium comprising the piperidine compound (I), one or more cyclohexane compound of formula (II) and one or more fluorinated benzene compounds of formula (III1)-(III4); (2) stabilizing the liquid crystalline medium comprising adding (I) and optionally one or more compounds comprising 2,6-di-tert-butyl-4-(4-propyl-cyclohexyl)-phenol, 2,6-di-tert-butyl-4-(5-propyl-[1,3]dioxan-2-yl)-phenol, heptadecanoic acid 3,5-di-tert-butyl-4-hydroxy-phenyl ester, (4-pentyl-cyclohexyl)-acetic acid 3,5-di-tert-butyl-4-hydroxy-phenyl ester, 2,5-bis-(1,1,3,3-tetramethyl-butyl)-benzene-1,4-diol or acrylic acid 2-tert-butyl-6-(3-tert-butyl-2-hydroxy-5-methyl-benzyl)-4-methyl-phenyl ester; and (3) the preparation of (I) using 4-hydroxy-2 ,2,6,6-tetramethylpiperidin-1-oxyl. R 2> 1> : 1-7C-alkyl or 2-7C-alkenyl (both are unsubstituted), preferably n-propyl; R 2> 2> : unsubstituted 2-7C-alkenyl, preferably vinyl; R 3> 1> : unsubstituted 1-7C-alkyl; R 3> 2> : 1-7C-alkyl or 1-6C-alkoxy (both are unsubstituted); and m, t, o : 0 or 1. [Image] [Image] [Image].</description><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</subject><subject>DYES</subject><subject>FREQUENCY-CHANGING</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>ORGANIC CHEMISTRY</subject><subject>PAINTS</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB3zs8tyC_NSylWSMxLUcjJLCzNTFFILqosLknMycnMS1XITU3JLM3lYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgFGpoYmFgYGTkbGRCgBAG0UJ8A</recordid><startdate>20180307</startdate><enddate>20180307</enddate><creator>Fortte, Rocco</creator><creator>Goebel, Mark</creator><creator>Pauluth, Detlef</creator><scope>EVB</scope></search><sort><creationdate>20180307</creationdate><title>Compounds and liquid crystalline medium</title><author>Fortte, Rocco ; Goebel, Mark ; Pauluth, Detlef</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2514800B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</topic><topic>DYES</topic><topic>FREQUENCY-CHANGING</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>ORGANIC CHEMISTRY</topic><topic>PAINTS</topic><topic>PHYSICS</topic><topic>POLISHES</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><toplevel>online_resources</toplevel><creatorcontrib>Fortte, Rocco</creatorcontrib><creatorcontrib>Goebel, Mark</creatorcontrib><creatorcontrib>Pauluth, Detlef</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Fortte, Rocco</au><au>Goebel, Mark</au><au>Pauluth, Detlef</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Compounds and liquid crystalline medium</title><date>2018-03-07</date><risdate>2018</risdate><abstract>Substituted piperidine compounds (I) are new. Substituted piperidine compounds of formula (I) are new. ZG : an organic group with 4 binding sites; Z 1> 1>, Z 1> 2> : -O-, -(C=O)-, -(N-R 1> 4>)- or a single bond, where simultaneously Z 1> 1>and Z 1> 2>are not -O-; either Y 1> 1>-Y 1> 4> : 1-4C-alkyl; or Y 1> 1>Y 1> 2>, Y 1> 3>Y 1> 4> : 3-6C-divalent group; R 1> 1> : O-R 1> 3>, O (preferred) or OH, preferably isopropyloxy, cyclohexyloxy, acetophenyloxy or benzyloxy; R 1> 2> : H, F, OR 1> 4>, NR 1> 4>R 1> 5>, 1-20C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-), cycloalkyl or alkylcycloalkyl unit (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)-, two adjacent -CH 2- groups are not optionally replaced by -O- and one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>), (hetero)aryl (in which one or more H atoms are optionally replaced by OR 1> 4>, N(R 1> 4>)(R 1> 5>) or R 1> 6>) or hydrocarbyl; R 1> 3> : R 1> 2>, 1,4-cyclohexylene (in which one or more -CH 2- groups are optionally replaced by -O-, -CO or -NR 1> 4>), acetophenyl-isopropyl or 3-heptyl; R 1> 4>, R 1> 5> : 1-10C-alkyl, 1-10C-acyl, 6-12C-aryl hydrocarbyl or 6-12C-carboxylic acid; R 1> 6> : 1-10C-alkyl (in which one or more -CH 2- groups are optionally replaced by -O- or -C(=O)- and two adjacent -CH 2- groups are not optionally replaced by -O-); m : 4-n; r, s : 0 or 1; and n : 1-4, provided that, if n is 1, R 1> 1>is O and -[Z 1> 1>] r-[Z 1> 2>] sis -O-, -(CO)-O-, -O-(CO)-O-, -NR 1> 4>- or -NR 1> 4>-(CO)- and [R 1> 2>] n-ZG is not 1-10C-alkyl, cycloalkyl, cycloalkylalkyl or alkylcycloalkyl (in which one or more -CH 2-groups are optionally replaced by -O- and two O atoms are not directly bonded), and if n is 2, R 1> 1>is O and [R 1> 2>] m-ZG-[Z 1> 1>] r-[Z 1> 2>] s- is not a piperidine group of formula (a), and if n is 2, R 1> 1>is OR 1> 3>and R 1> 3>is not n-1-9C-alkyl. Independent claims are included for: (1) a liquid crystal medium comprising the piperidine compound (I), one or more cyclohexane compound of formula (II) and one or more fluorinated benzene compounds of formula (III1)-(III4); (2) stabilizing the liquid crystalline medium comprising adding (I) and optionally one or more compounds comprising 2,6-di-tert-butyl-4-(4-propyl-cyclohexyl)-phenol, 2,6-di-tert-butyl-4-(5-propyl-[1,3]dioxan-2-yl)-phenol, heptadecanoic acid 3,5-di-tert-butyl-4-hydroxy-phenyl ester, (4-pentyl-cyclohexyl)-acetic acid 3,5-di-tert-butyl-4-hydroxy-phenyl ester, 2,5-bis-(1,1,3,3-tetramethyl-butyl)-benzene-1,4-diol or acrylic acid 2-tert-butyl-6-(3-tert-butyl-2-hydroxy-5-methyl-benzyl)-4-methyl-phenyl ester; and (3) the preparation of (I) using 4-hydroxy-2 ,2,6,6-tetramethylpiperidin-1-oxyl. R 2> 1> : 1-7C-alkyl or 2-7C-alkenyl (both are unsubstituted), preferably n-propyl; R 2> 2> : unsubstituted 2-7C-alkenyl, preferably vinyl; R 3> 1> : unsubstituted 1-7C-alkyl; R 3> 2> : 1-7C-alkyl or 1-6C-alkoxy (both are unsubstituted); and m, t, o : 0 or 1. [Image] [Image] [Image].</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING HETEROCYCLIC COMPOUNDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC CHEMISTRY PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | Compounds and liquid crystalline medium |
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