Title:
DITHIO-ALKYL-PYRROLO-PYRROLES AND USE THEREOF AS DYES
Document Type and Number:
WIPO Patent Application WO/2017/008880
Kind Code:
A1
Abstract:
The invention relates to novel dithiopyrrolo-pyrrole-derivatives with dichroic properties which have a very high light fastness in solutions in a fluid-crystalline host.
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Inventors:
KIRSCH PEER (DE)
BECK SUSANN (DE)
JUNGE MICHAEL (DE)
PATWAL URSULA (DE)
FISCHER MILA (DE)
BECK SUSANN (DE)
JUNGE MICHAEL (DE)
PATWAL URSULA (DE)
FISCHER MILA (DE)
Application Number:
PCT/EP2016/001048
Publication Date:
January 19, 2017
Filing Date:
June 20, 2016
Export Citation:
Assignee:
MERCK PATENT GMBH (DE)
International Classes:
C07D487/04; C08K5/3415; C09D17/00; G02B5/22
Domestic Patent References:
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G. QIAN; Z. WANG: "Near-IR thermochromic diazapentalene dyes", ADV. MATER., vol. 24, 2012, pages 1582 - 1588, XP055295270, DOI: doi:10.1002/adma.201104711
CHEM. MATER., vol. 24, 2012, pages 2364 - 2372
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MARTIN E. DENKER ET AL: "45.1: Invited Paper: Advanced Polarizer Film for Improved Performance of Liquid Crystal Displays", TECHNICAL DIGEST SID, June 2006 (2006-06-01)
GANG QIAN ET AL: "Family of Diazapentalene Chromophores and Narrow-Band-Gap Polymers: Synthesis, Halochromism, Halofluorism, and Visible-Near Infrared Photodetectivity", CHEMISTRY OF MATERIALS, vol. 24, no. 12, 26 June 2012 (2012-06-26), US, pages 2364 - 2372, XP055295267, ISSN: 0897-4756, DOI: 10.1021/cm300938s
GANG QIAN ET AL: "Synthesis and study of low-bandgap polymers containing the diazapentalene and diketopyrrolopyrrole chromophores for potential use in solar cells and near-infrared photodetectors", JOURNAL OF MATERIALS CHEMISTRY, vol. 22, no. 25, 1 January 2012 (2012-01-01), GB, pages 12867, XP055295265, ISSN: 0959-9428, DOI: 10.1039/c2jm30868a
G. QIAN; Z. WANG: "Near-IR thermochromic diazapentalene dyes", ADV. MATER., vol. 24, 2012, pages 1582 - 1588, XP055295270, DOI: doi:10.1002/adma.201104711
CHEM. MATER., vol. 24, 2012, pages 2364 - 2372
F. CLOSS; R. GOMPPER: "2,5-Diazapentalen", ANGEW. CHEM., vol. 99, no. 6, 1987, pages 564 - 567
MANFRED RICHTER: "Einführung in die Farbmetrik", 1981, VERLAG WALTER DE GRUYTER & CO.
B. BAHADUR: "Liquid Crystals - Applications and Uses", vol. 3, 1992, WORLD SCIENTIFIC PUBLISHING
T. UCHIDA; C. SHISHIDO; H. SEKI; M. WADA, MOL. CRYST. LIG. CRYST., vol. 39, 1977, pages 39 - 52
H. SEKI; C. SHISHIDO; S. YASUI; T. UCHIDA, JPN. J. APPL. PHYS., vol. 21, 1982, pages 191 - 192
MARTIN E. DENKER ET AL: "45.1: Invited Paper: Advanced Polarizer Film for Improved Performance of Liquid Crystal Displays", TECHNICAL DIGEST SID, June 2006 (2006-06-01)
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