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221910-24-3

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221910-24-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221910-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,9,1 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 221910-24:
(8*2)+(7*2)+(6*1)+(5*9)+(4*1)+(3*0)+(2*2)+(1*4)=93
93 % 10 = 3
So 221910-24-3 is a valid CAS Registry Number.

221910-24-3Downstream Products

221910-24-3Relevant articles and documents

Synthesis and characterization of an isopropylBippyPhos precatalyst

Coffey, Steven B.,Bernhardson, David J.,Wright, Stephen W.

, (2021/12/17)

A review of our high throughput reaction screening data revealed that BippyPhos was frequently associated with successful outcomes in Buchwald – Hartwig amination reactions. A barrier to the wider use of this ligand, particularly among those performing sm

ONO pincer type Pd(II) complexes: Synthesis, crystal structure and catalytic activity towards C-2 arylation of quinoline scaffolds

Arumugam, Vignesh,Kaminsky, Werner,Nallasamy, Dharmaraj

, p. 77948 - 77957 (2015/09/28)

Four new palladium(II) complexes featuring ONO pincer type hydrazone ligands were synthesized and characterized by spectroscopic and single-crystal XRD analysis. These complexes showed excellent catalytic activity towards the Suzuki-Miyaura cross coupling reaction of 2-chloroquinoline derivatives with various aryl boronic acids. The main advantages over previous methodologies include low catalyst loading, less problematic reaction media (H2O-DMF (80:20%)) and a lower reaction temperature of 60 °C for optimal performance.

PdCl2(dppf)-catalyzed in situ coupling of 2-hydroxypyridines with aryl boronic acids mediated by PyBroP and the one-pot chemo- and regioselective construction of two distinct aryl-aryl bonds

Li, Shui-Ming,Huang, Jie,Chen, Guo-Jun,Han, Fu-She

supporting information; experimental part, p. 12840 - 12842 (2012/01/05)

We present a PdCl2(dppf)-catalyzed synthesis of 2-arylated pyridine derivatives via the in situ coupling of 2-OH pyridines and boronic acids mediated by PyBroP. In addition, the highly chemo- and regioselective construction of two different aryl-aryl bonds via a one-pot operation has also been demonstrated by the orthogonal use of this method with the Ni-catalyzed Suzuki-Miyaura coupling of phenols.

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