Title:
PHOTOCHROMIC COMPOUND AND CURABLE COMPOSITION INCLUDING PHOTOCHROMIC COMPOUND
Document Type and Number:
WIPO Patent Application WO/2021/075456
Kind Code:
A1
Abstract:
A photochromic compound according to the present invention is characterized by comprising at least two monovalent photochromic basic structural groups PC that include a T-type photochromic site, wherein the photochromic base structural groups are bonded to an organic group having a non-SO aromatic ring that does not include a sulfur atom or an oxygen atom.
Inventors:
MIYAZAKI MASAYUKI (JP)
TAKENAKA JUNJI (JP)
VENU SRINIVAS (JP)
MOMODA JUNJI (JP)
MORI KATSUHIRO (JP)
TAKENAKA JUNJI (JP)
VENU SRINIVAS (JP)
MOMODA JUNJI (JP)
MORI KATSUHIRO (JP)
Application Number:
PCT/JP2020/038753
Publication Date:
April 22, 2021
Filing Date:
October 14, 2020
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C07D311/96; C07D519/00; C07F7/08; C07F7/10; C08F2/44; C09K9/02; G02B5/23; G02C7/10
Domestic Patent References:
| WO2019013249A1 | 2019-01-17 | |||
| WO2000039245A1 | 2000-07-06 | |||
| WO2018235771A1 | 2018-12-27 | |||
| WO2013052338A1 | 2013-04-11 |
Foreign References:
| KR20110115243A | 2011-10-21 | |||
| JP2007526223A | 2007-09-13 | |||
| US5952515A | 1999-09-14 | |||
| JP2010518360A | 2010-05-27 | |||
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| JP2018062496A | 2018-04-19 | |||
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| JP2019182866A | 2019-10-24 | |||
| JP2018062496A | 2018-04-19 | |||
| JP2005508897A | 2005-04-07 |
Other References:
ZHAO WEILI, CARREIRA ERICK M.: "Synthesis and Photochromism of Novel Phenylene-Linked Photochromic Bispyrans", ORGANIC LETTERS, vol. 8, no. 1, 2006, pages 99 - 102, XP055818349, DOI: 10.1021/ol052587y
MUTOH, KATSUYA; ABE, JIRO: "Recent advances in visible-light-responsive photochromic molecules", PHOTOCHEMISTRY, vol. 49, no. 3, 30 November 2017 (2017-11-30), JP , pages 136 - 143, XP009535659, ISSN: 0913-4689
IKEZAWA TAKAHIRO, MUTOH KATSUYA, KOBAYASHI YOICHI, ABE JIRO: "Thiophene-substituted phenoxyl-imidazolyl radical complexes with high photosensitivity", CHEMICAL COMMUNICATIONS, vol. 52, no. 12, 5 January 2016 (2016-01-05), pages 2465 - 2468, XP055818343, DOI: 10.1039/c5cc10133f
See also references of EP 4046993A4
MUTOH, KATSUYA; ABE, JIRO: "Recent advances in visible-light-responsive photochromic molecules", PHOTOCHEMISTRY, vol. 49, no. 3, 30 November 2017 (2017-11-30), JP , pages 136 - 143, XP009535659, ISSN: 0913-4689
IKEZAWA TAKAHIRO, MUTOH KATSUYA, KOBAYASHI YOICHI, ABE JIRO: "Thiophene-substituted phenoxyl-imidazolyl radical complexes with high photosensitivity", CHEMICAL COMMUNICATIONS, vol. 52, no. 12, 5 January 2016 (2016-01-05), pages 2465 - 2468, XP055818343, DOI: 10.1039/c5cc10133f
See also references of EP 4046993A4
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
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