US 11,815,778 B2
Organic compound and electrochromic element
Kenji Yamada, Kanagawa (JP); Satoshi Igawa, Kanagawa (JP); and Kazuho Saeki, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 14, 2020, as Appl. No. 17/121,472.
Claims priority of application No. 2019-228157 (JP), filed on Dec. 18, 2019; and application No. 2020-124961 (JP), filed on Jul. 22, 2020.
Prior Publication US 2021/0191217 A1, Jun. 24, 2021
Int. Cl. G02F 1/1516 (2019.01); C07D 471/04 (2006.01); G02F 1/155 (2006.01); C09K 9/02 (2006.01)
CPC G02F 1/1516 (2019.01) [C07D 471/04 (2013.01); C09K 9/02 (2013.01); G02F 1/155 (2013.01); G02F 2203/01 (2013.01); G02F 2203/02 (2013.01)] 20 Claims
 
1. An organic compound expressed by formula [1]:

OG Complex Work Unit Chemistry
wherein in formula [1],
Z1 and Z2 are respectively, independently selected from an alkyl group optionally having a substituent, an aryl group optionally having a substituent, and an aralkyl group optionally having a substituent,
R11 to R18 are respectively, independently selected from a hydrogen atom, an alkyl group optionally having a substituent, an alkoxy group optionally having a substituent, an aryl group optionally having a substituent, a heterocyclic group optionally having a substituent, and a halogen atom, and R12 and R13 optionally bound to each other to form a ring,
R21 and R22 are respectively, independently selected from a hydrogen atom, a hydroxyl group, an alkyl group optionally having a substituent, an alkoxy group optionally having a substituent, an aryl group optionally having a substituent, and an aralkyl group optionally having a substituent, and
X− represents an anion, n is an integer greater than or equal to 1, and when n is 2 or greater, two or more X−s are the same or different from each other.