Title:
COMPOUND
Document Type and Number:
WIPO Patent Application WO/2022/168754
Kind Code:
A1
Abstract:
A compound having an anion represented by formula (I) [wherein ring W1 represents an optionally substituted ring; ring W2 represents a ring having at least one double bond as a ring-constituent element and the ring W2 may have a substituent; R1 and R2 each independently represent a hydrogen atom or a monovalent substituent and R1 and/or R2 has a monovalent substituent; R3, R4, R5, and R6 each independently represent a hydrogen atom or a monovalent substituent; R1 and R4 may be bonded to each other to form a ring; R3 and R4 may be bonded to each other to form a ring; R2 and R6 may be bonded to each other to form a ring; and R5 and R6 may be bonded to each other to form a ring].
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Inventors:
ASATSU YUJI (JP)
NISHIKAMI YUKI (JP)
KUMON KOUJI (JP)
NISHIKAMI YUKI (JP)
KUMON KOUJI (JP)
Application Number:
PCT/JP2022/003334
Publication Date:
August 11, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
DONGWOO FINE CHEM CO LTD (KR)
DONGWOO FINE CHEM CO LTD (KR)
International Classes:
C07C255/31; C07C255/47; C07C321/22; G02B5/22
Domestic Patent References:
| WO2021200826A1 | 2021-10-07 |
Foreign References:
| JPH03142419A | 1991-06-18 | |||
| JP2021006517A | 2021-01-21 | |||
| JP2016075739A | 2016-05-12 |
Other References:
KATRITZKY ALAN R., FAN WEI-QIANG, LIANG DE-SHENG, LI QIAO-LING: "Novel dyestuffs containing dicyanomethylidene groups", JOURNAL OF HETEROCYCLIC CHEMISTRY, WILEY-BLACKWELL PUBLISHING, INC., US, vol. 26, no. 6, 1 November 1989 (1989-11-01), US , pages 1541 - 1545, XP055955604, ISSN: 0022-152X, DOI: 10.1002/jhet.5570260607
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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