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1416892-63-1

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1416892-63-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1416892-63-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,8,9 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1416892-63:
(9*1)+(8*4)+(7*1)+(6*6)+(5*8)+(4*9)+(3*2)+(2*6)+(1*3)=181
181 % 10 = 1
So 1416892-63-1 is a valid CAS Registry Number.

1416892-63-1Downstream Products

1416892-63-1Relevant articles and documents

Enantioselective Synthesis of Tetrahydroquinolines via One-Pot Cascade Biomimetic Reduction?

Zhao, Zi-Biao,Li, Xiang,Chen, Mu-Wang,Wu, Bo,Zhou, Yong-Gui

, p. 1691 - 1695 (2020/11/03)

A novel and efficient protocol for the synthesis of chiral tetrahydroquinoline derivatives with excellent enantioselectivities and high yields has been developed through one-pot cascade biomimetic reduction. The detailed reaction pathway includes the acid-catalyzed and ruthenium-catalyzed formation of aromatic quinoline intermediates and biomimetic asymmetric reduction.

Cooperative Organocatalysis: A Systematic Investigation of Covalently Linked Organophosphoric Acids for the Stereoselective Transfer Hydrogenation of Quinolines

Th?lke, Simon,Zhu, Hui,Jansen, Dennis,Octa-Smolin, Frescilia,Thiele, Maike,Kaupmees, Karl,Leito, Ivo,Grimme, Stefan,Niemeyer, Jochen

supporting information, p. 5190 - 5195 (2019/06/08)

A series of covalently linked bis- and trisphosphoric acids was investigated for their application in the stereoselective transfer-hydrogenation of quinolines. In a combined experimental and theoretical study, it was found that the number and relative pos

Highly enantioselective spinol-derived phosphoric acid catalyzed transfer hydrogenation of diverse C=N-containing heterocycles

Zhang, Yiliang,Zhao, Rong,Bao, Robert Li-Yuan,Shi, Lei

supporting information, p. 3344 - 3351 (2015/05/20)

A highly efficient and enantioselective hydrogenation of diversely substituted C=N-containing heterocyclic compounds such as 3-aryl-1,4-benzoxazines and 2-arylquinolines was experimentally explored by using 1,1′-spirobiindane-7,7′-diol-derived chiral phosphoric acids as the catalyst. This method provides straightforward access to the corresponding tetrahydroquinolines and dihydro-2H-1,4-benzothiazines in high yields (85-99%) with excellent enantioselectivities (91-99%). The attractive features of this procedure, which include mild reaction conditions, operational simplicity, relatively low catalyst loading (1 mol-%), and high levels of enantioselectivities, make it a useful approach for the practical synthesis of optically active nitrogen-containing aromatic heterocycles.

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