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ES411900A1 - PROCEDURE FOR THE PREPARATION OF SCHIEFF LIQUID CRYSTALLINE BASES. - Google Patents

PROCEDURE FOR THE PREPARATION OF SCHIEFF LIQUID CRYSTALLINE BASES.

Info

Publication number
ES411900A1
ES411900A1 ES411900A ES411900A ES411900A1 ES 411900 A1 ES411900 A1 ES 411900A1 ES 411900 A ES411900 A ES 411900A ES 411900 A ES411900 A ES 411900A ES 411900 A1 ES411900 A1 ES 411900A1
Authority
ES
Spain
Prior art keywords
procedure
preparation
schieff
liquid crystalline
general formula
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES411900A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of ES411900A1 publication Critical patent/ES411900A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/542—Alkylated benzaldehydes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/22—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and nitrogen atoms as chain links, e.g. Schiff bases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

Procedure for the preparation of crystalline liquid schiff bases, of the general formula ** (see formula) ** In which R represents the ethyl group, N-propyl, N-butyl, N-pentyl, N-hexyl, isohexyl, N-heptyl or N-octylic, Which process comprises reacting a compound of the general formula ** (see formula) ** In which R has the meaning indicated above, with p-aminobenzonitrile, and in a variant thereof, dehydrogenating a compound of the general formula ** (see formula) ** In which R has the meaning indicated above. (Machine-translation by Google Translate, not legally binding)
ES411900A 1972-02-23 1973-02-22 PROCEDURE FOR THE PREPARATION OF SCHIEFF LIQUID CRYSTALLINE BASES. Expired ES411900A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH258572A CH558541A (en) 1972-02-23 1972-02-23 MIX WITH NEMATIC PROPERTIES.

Publications (1)

Publication Number Publication Date
ES411900A1 true ES411900A1 (en) 1976-05-16

Family

ID=4237094

Family Applications (2)

Application Number Title Priority Date Filing Date
ES411900A Expired ES411900A1 (en) 1972-02-23 1973-02-22 PROCEDURE FOR THE PREPARATION OF SCHIEFF LIQUID CRYSTALLINE BASES.
ES425547A Expired ES425547A1 (en) 1972-02-23 1974-04-22 PROCEDURE FOR OBTAINING A DIELECTRIC FOR ELECTRO-OPTICAL PURPOSES.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES425547A Expired ES425547A1 (en) 1972-02-23 1974-04-22 PROCEDURE FOR OBTAINING A DIELECTRIC FOR ELECTRO-OPTICAL PURPOSES.

Country Status (22)

Country Link
JP (2) JPS5211676B2 (en)
AR (1) AR196907A1 (en)
AT (1) AT335529B (en)
AU (1) AU444169B2 (en)
BE (1) BE795775A (en)
CA (1) CA995242A (en)
CH (1) CH558541A (en)
CS (3) CS173648B2 (en)
DD (2) DD107022A5 (en)
DE (1) DE2306738C3 (en)
ES (2) ES411900A1 (en)
FR (1) FR2177757B1 (en)
GB (1) GB1373609A (en)
HK (1) HK35577A (en)
IL (1) IL41363A (en)
IT (1) IT978629B (en)
NL (1) NL148930B (en)
NO (1) NO133195C (en)
SE (2) SE406473B (en)
SU (2) SU508180A3 (en)
TR (1) TR17441A (en)
ZA (1) ZA73332B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4962390A (en) * 1972-10-17 1974-06-17
GB1452826A (en) * 1973-10-17 1976-10-20 Secr Defence Liquid crystal compositions
JPS4978683A (en) * 1972-12-06 1974-07-29
US4058476A (en) * 1973-03-02 1977-11-15 Hoffmann-La Roche Inc. Liquid crystalline isonitriles
US3997242A (en) * 1973-03-02 1976-12-14 Hoffmann-La Roche Inc. Electro-optical cell containing dielectric isonitriles
US4137192A (en) * 1974-01-25 1979-01-30 Canon Kabushiki Kaisha Liquid crystalline composition
JPS5331142B2 (en) * 1974-04-15 1978-08-31
JPS50150684A (en) * 1974-05-25 1975-12-03
US3973830A (en) * 1974-06-07 1976-08-10 Matsushita Electric Industrial Co., Ltd. Electro-optic device
FR2274355A1 (en) * 1974-06-14 1976-01-09 Thomson Csf MIXTURE OF LIQUID CRYSTALS SHOWING POSITIVE DIELECTRIC ANISOTROPY AND A WIDE RANGE OF MESOMORPHISM
US4043634A (en) * 1974-07-25 1977-08-23 Dai Nippon Toryo Co., Ltd. Liquid crystal electro optical element
US3975286A (en) * 1974-09-03 1976-08-17 Beckman Instruments, Inc. Low voltage actuated field effect liquid crystals compositions and method of synthesis
US4147651A (en) * 1974-09-03 1979-04-03 Beckman Instruments, Inc. Biphenyl based liquid crystal compositions
JPS5282685A (en) * 1975-12-29 1977-07-11 Tokyo Ouka Kougiyou Kk Liquid crystal composites
JPS5666678A (en) * 1979-11-06 1981-06-05 Tsukishima Kikai Co Rotary multiitube type dryer
US9126890B2 (en) * 2011-10-20 2015-09-08 International Flavors & Fragrances Inc. Low volatile reactive malodor counteractives and methods of use thereof
WO2018234268A1 (en) * 2017-06-19 2018-12-27 Sika Technology Ag BLOCKING AGENT FOR AMINES, LATENT CURING AGENT AND POLYURETHANE COMPOSITIONS

Also Published As

Publication number Publication date
JPS5211676B2 (en) 1977-04-01
NO133195C (en) 1976-03-24
FR2177757A1 (en) 1973-11-09
GB1373609A (en) 1974-11-13
AU444169B2 (en) 1974-01-17
AU5122873A (en) 1974-01-17
JPS4896559A (en) 1973-12-10
DD107022A5 (en) 1974-07-12
NL7302064A (en) 1973-08-27
FR2177757B1 (en) 1975-10-31
CS173647B2 (en) 1977-02-28
DE2306738A1 (en) 1973-08-30
SE7500977L (en) 1975-01-29
NO133195B (en) 1975-12-15
SE422468B (en) 1982-03-08
SU508180A3 (en) 1976-03-25
JPS52942B2 (en) 1977-01-11
AT335529B (en) 1977-03-10
SU519128A3 (en) 1976-06-25
CS173648B2 (en) 1977-02-28
ATA155273A (en) 1976-07-15
TR17441A (en) 1975-07-23
HK35577A (en) 1977-07-15
NL148930B (en) 1976-03-15
CS173622B2 (en) 1977-02-28
SE406473B (en) 1979-02-12
DE2306738C3 (en) 1979-04-05
IL41363A (en) 1977-10-31
DD112875A5 (en) 1975-05-05
DE2306738B2 (en) 1978-07-27
AR196907A1 (en) 1974-02-28
BE795775A (en) 1973-08-22
IT978629B (en) 1974-09-20
IL41363A0 (en) 1973-03-30
ZA73332B (en) 1973-10-31
CA995242A (en) 1976-08-17
CH558541A (en) 1975-01-31
ES425547A1 (en) 1976-12-16
JPS514138A (en) 1976-01-14

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