428819-12-9Relevant articles and documents
Tert-Butyl hydroperoxide (TBHP)-mediated oxidative self-coupling of amines to imines over a α-MnO2 catalyst
Zhang, Zhe,Wang, Feng,Wang, Min,Xu, Shutao,Chen, Haijun,Zhang, Chaofeng,Xu, Jie
, p. 2523 - 2527 (2014)
We here demonstrate a simple, efficient and eco-friendly protocol for the direct synthesis of imines from amines via a facile α-MnO2 catalyzed-procedure at rt. Up to 13 benzylic, heterocyclic, and normal aliphatic imines were synthesized with 95-99% selectivity at 82-99% conversion. the Partner Organisations 2014.
Natural Sunlight Driven Oxidative Homocoupling of Amines by a Truxene-Based Conjugated Microporous Polymer
Battula, Venugopala R.,Singh, Harpreet,Kumar, Sunil,Bala, Indu,Pal, Santanu Kumar,Kailasam, Kamalakannan
, p. 6751 - 6759 (2018)
In this study, we report the synthesis of a metal-free truxene-based conjugated microporous polymer (Tx-CMP) and demonstrate its heterogeneous photocatalytic applications under direct sunlight. We employed Tx-CMP for the oxidative homocoupling of amines.
Ternary supramolecular system for photocatalytic oxidation with air by consecutive photo-induced electron transfer processes
He, Jiachen,Han, Qiuxia,Li, Jie,Shi, Zhuolin,Shi, Xiaoyun,Niu, Jingyang
, p. 161 - 167 (2019)
Developing new photocatalysts for settling the tightest bottlenecks that lower efficiency, inferior selectivity and harsh conditions in organic oxidation reactions with air is very significant. Herein, ZnW–DPNDI–PYI was achieved by assembling a functional photosensitizer, an oxidation catalyst [BW12O40]5?, and an organocatalyst into one single framework. The anion?π and N–H?O hydrogen bonds interactions facilitate the consecutive photo-induced electron transfer (conPET) process for the photocatalytic oxidation by stabilizing the radical-anion intermediate and catalyst-substrate interacted moiety. Besides, N,N′-bis(4-pyridylmethyl)naphthalene diimide (DPNDI) can be excited by visible light, the photogenerated electron and hole would further activate oxygen and substrates, respectively, to give the corresponding redox products. High conversion and selectivity of ZnW–DPNDI–PYI in photocatalytic coupling of primary amines and olefins epoxidation with air under visible-light have been demonstrated.
Ultrathin HNb3O8 nanosheets with oxygen vacancies for enhanced photocatalytic oxidation of amines under visible light irradiation
Chen, Junli,Wang, Hai,Zhang, Zhiqiang,Han, Lifeng,Zhang, Yonghui,Gong, Feilong,Xie, Kefeng,Xu, Liancai,Song, Wei,Wu, Shide
, p. 5493 - 5503 (2019)
Ultrathin HNb3O8 nanosheets (HNb3O8 NSs) with oxygen vacancies were successfully synthesized by a simple bottom-up hydrothermal process. The obtained nanosheets were uniform with a thickness of about 3.02 nm and
Ball-Milling Induced Debonding of Surface Atoms from Metal Bulk for Construing High-Performance Dual-Site Single-Atom Catalysts
Liu, Bo,Pan, Jing,Shi, Weidong,Song, Shuyan,Wang, Huilin,Wang, Xiao,Xu, Jing,Zhang, Hongjie,Zhang, Lingling,Zhao, Meng
supporting information, p. 23154 - 23158 (2021/09/15)
One of the most pressing challenges in single-atom catalysis is the manipulation of the coordination environment of central metals to maximize the catalyst performance. Herein, we fabricated a high-performance catalyst (Co-SNC) by introducing S into the n
Cyclometalated Half-Sandwich Iridium(III) Complexes: Synthesis, Structure, and Diverse Catalytic Activity in Imine Synthesis Using Air as the Oxidant
Li, Rong-Jian,Ling, Chun,Lv, Wen-Rui,Deng, Wei,Yao, Zi-Jian
, p. 5153 - 5162 (2021/05/04)
Four air-stable cyclometalated half-sandwich iridium complexes 1-4 with C,N-donor Schiff base ligands were prepared through C-H activation in moderate-to-good yields. These complexes have been well characterized, and their exact structure was elaborated on by single-crystal X-ray analysis. The iridium(III) complexes 1-4 showed good catalytic activity in the imine synthesis under open-flask conditions (air as the oxidant) from primary amine oxidative homocoupling, secondary amine dehydrogenation, and the cross-coupling reaction of amine and alcohol. Substituents bonded on the ligands of the iridium complexes displayed little effect on the catalytic efficiency. The stability and good catalytic efficiency of the iridium catalysts, mild reaction conditions, and substrate universality showed their potential application in industrial production.
