Diastereoselective Photoreaction of Ir(III) Amine Complexes for Generation of New Multidentate Ligands in situ via a Postcoordinated Interligand-Coupling Strategy

作     者：Xing-Yang Chen Su-Yang Yao Li-Ping Li Bao-Hui Ye Xing-Yang Chen;Su-Yang Yao;Li-Ping Li;Bao-Hui Ye

作者机构：MOE Key Laboratory of Bioinorganic and Synthetic ChemistrySchool of ChemistrySun Yat-sen UniversityGuangzhouGuangdong510275 China Department of ChemistryGuangdong University of EducationGuangzhouGuangdong510303 China 

出 版 物：《Chinese Journal of Chemistry》 (中国化学（英文版）)

年 卷 期：2021年第39卷第11期

页      面：2995-3003页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学] 

基　　金：the financial support from the National Natural Science Foundation of China(grant no.21971266) 

主　　题：Ir(III)complexes Interligand-Coupling Reaction/n-s/fu Photochemistry Diastereoselectivity 

摘      要：The diastereoselective photoreactions of Ir(III)-amine and Ir(III)-diamine complexes are observed in the presence of ***Ʌ-[Ir(pq)_(2)(R-mapy)](PF_(6))(pq is 2-phenylquinoline and mapy is 2-(1-aminoethyl)pyridine)diastereomer is dehydrogenatively oxidized into imine complexɅ-[Ir(pq)_(2)(mapy-2H)](PF_(6))at room temperature,while theɅ-[Ir(pq)_(2)(S-mapy)](PF_(6))diastereomer occurs interligand C—N cross-coupling reaction at 60℃,affording a new tetradentate complexɅ-[Ir(pq)(S-pqpe)](PF_(6))(pqpe is 2-phenyl-N-(1-pyridin-2-yl)ethyl-quinolin-8-amine).The identical cases are also observed in diamine complexesɅ-[Ir(pq)_(2)(R,R-chda)](PF_(6))(chda is 1,2-diaminocyclohexane),Ʌ-[Ir(pq)_(2)(R,S-chda)](PF_(6)),andɅ-[Ir(pq)_(2)(S,S-chda)](PF_(6)),where the R configuration ligand is dehydrogenatively oxidized into imine,while the S configuration is retentive and the bound nitrogen atom is coupling to the C8 of pq ligand,affordingɅ-[Ir(pq)_(2)(chdi)](PF_(6))(chdi is 1,2-diiminocyclohexane),Ʌ-[Ir(pq)(S-pqchim)](PF_(6))(pqchim is N-(2-iminocyclohexyl)-2-phenyl-quinolin-8-amine),andɅ-[Ir(S,S-pqchda)](PF_(6))(pqchda is N ,N-bis(2-phenylquinolin-8-yl)cyclohexane-1,2-diamine),*** provide a new and useful protocol for the synthesis of multidentate ligands in situ via the postcoordinated interligand-coupling strategy under mild conditions.