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64890-22-8

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64890-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64890-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 64890-22:
(7*6)+(6*4)+(5*8)+(4*9)+(3*0)+(2*2)+(1*2)=148
148 % 10 = 8
So 64890-22-8 is a valid CAS Registry Number.

64890-22-8Downstream Products

64890-22-8Relevant articles and documents

Diffusion Control in Single-Site Zinc Reticular Amination Catalysts

Almora-Barrios, Neyvis,Cirujano, Francisco G.,López-Maya, Elena,Martí-Gastaldo, Carlos,Martín, Nuria,Navarro, Jorge A. R.,Rubio-Gaspar, Ana

, p. 18168 - 18173 (2020)

Zn-containing metal-organic frameworks have been used for the first time as heterogeneous catalysts in the amination of C-Cl bonds. The use of extended bis(pyrazolate) linkers can generate highly porous architectures, which favor the diffusion of amines t

Metal-free, redox-neutral, site-selective access to heteroarylamine via direct radical?radical cross-coupling powered by visible light photocatalysis

Zhou, Chao,Lei, Tao,Wei, Xiang-Zhu,Ye, Chen,Liu, Zan,Chen, Bin,Tung, Chen-Ho,Wu, Li-Zhu

, p. 16805 - 16813 (2020/11/09)

Transition-metal-catalyzed C?N bond-forming reactions have emerged as fundamental and powerful tools to construct arylamines, a common structure found in drug agents, natural products, and fine chemicals. Reported herein is an alternative access to heteroarylamine via radical?radical cross-coupling pathway, powered by visible light catalysis without any aid of external oxidant and reductant. Only by visible light irradiation of a photocatalyst, such as a metal-free photocatalyst, does the cascade single-electron transfer event for amines and heteroaryl nitriles occur, demonstrated by steady-state and transient spectroscopic studies, resulting in an amine radical cation and aryl radical anion in situ for C?N bond formation. The metal-free and redox economic nature, high efficiency, and site-selectivity of C?N cross-coupling of a range of available amines, hydroxylamines, and hydrazines with heteroaryl nitriles make this protocol promising in both academic and industrial settings.

Anticancer-Active N-Heteroaryl Amines Syntheses: Nucleophilic Amination of N-Heteroaryl Alkyl Ethers with Amines

Wang, Xia,Yang, Qiu-Xia,Long, Cheng-Yu,Tan, Yan,Qu, Yi-Xin,Su, Min-Hui,Huang, Si-Jie,Tan, Weihong,Wang, Xue-Qiang

supporting information, p. 5111 - 5115 (2019/07/03)

A mild amination protocol of N-heteroaryl alkyl ethers with various amines is described. This transformation is achieved by utilizing simple and readily available base as promoter via C-O bond cleavage, offering a new amination strategy to access several anticancer-active compounds. This work is highlighted by the excellent functional group compatibility, scalability, wide substrate scope, and easy derivatization of a variety of drugs.

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