US 12,291,545 B2
Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agriculture
Yuichi Kitagawa, Sapporo (JP); Kaori Shima, Sapporo (JP); Satoshi Wada, Sapporo (JP); Yasuchika Hasegawa, Sapporo (JP); and Koji Fushimi, Sapporo (JP)
Assigned to NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo (JP)
Appl. No. 17/606,256
Filed by NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo (JP)
PCT Filed Apr. 23, 2020, PCT No. PCT/JP2020/017569
§ 371(c)(1), (2) Date Oct. 25, 2021,
PCT Pub. No. WO2020/218451, PCT Pub. Date Oct. 29, 2020.
Claims priority of application No. 2019-085626 (JP), filed on Apr. 26, 2019.
Prior Publication US 2022/0315613 A1, Oct. 6, 2022
Int. Cl. C07F 9/53 (2006.01); A01G 9/14 (2006.01); C07F 5/00 (2006.01); C09K 11/06 (2006.01)
CPC C07F 9/53 (2013.01) [A01G 9/14 (2013.01); C07F 5/00 (2013.01); C09K 11/06 (2013.01)] 12 Claims
 
1. A rare earth complex comprising:
a rare earth ion; and
a phosphine oxide ligand coordinated with the rare earth ion, the phosphine oxide ligand being represented by the following formula (I):

OG Complex Work Unit Chemistry
wherein R1, R2, R3, R4, R5, and R6 each independently represent an alkyl group which may have a substituent.