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1549641-61-3

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1549641-61-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1549641-61-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,9,6,4 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1549641-61:
(9*1)+(8*5)+(7*4)+(6*9)+(5*6)+(4*4)+(3*1)+(2*6)+(1*1)=193
193 % 10 = 3
So 1549641-61-3 is a valid CAS Registry Number.

1549641-61-3Downstream Products

1549641-61-3Relevant articles and documents

Elevated catalytic activity of ruthenium(II)-porphyrin-catalyzed carbene/nitrene transfer and insertion reactions with n-heterocyclic carbene ligands

Chan, Ka-Ho,Guan, Xiangguo,Lo, Vanessa Kar-Yan,Che, Chi-Ming

, p. 2982 - 2987 (2014)

Bis(NHC)ruthenium(II)-porphyrin complexes were designed, synthesized, and characterized. Owing to the strong donor strength of axial NHC ligands in stabilizing the trans Mi£CRR′/Mi£NR moiety, these complexes showed unprecedently high catalytic activity towards alkene cyclopropanation, carbene C-H, N-H, S-H, and O-H insertion, alkene aziridination, and nitrene C-H insertion with turnover frequencies up to 1950 min-1. The use of chiral [Ru(D4-Por)(BIMe)2] (1 g) as a catalyst led to highly enantioselective carbene/nitrene transfer and insertion reactions with up to 98 % ee. Carbene modification of the N terminus of peptides at 37 °C was possible. DFT calculations revealed that the trans axial NHC ligand facilitates the decomposition of diazo compounds by stabilizing the metal-carbene reaction intermediate.

An Effective [FeIII(TF4DMAP)Cl] Catalyst for C-H Bond Amination with Aryl and Alkyl Azides

Du, Yi-Dan,Xu, Zhen-Jiang,Zhou, Cong-Ying,Che, Chi-Ming

supporting information, p. 895 - 899 (2019/02/14)

[FeIII(TF4DMAP)Cl] can efficiently catalyze intermolecular sp3 C-H amination using aryl azides and intramolecular sp3 C-H amination of alkyl azides in moderate-to-high product yields. At catalyst loading down to 1 mol %, the reactions display high chemo- and regioselectivity with broad substrate scope and are effective for late-stage functionalization of complex natural/bioactive molecules.

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