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1122022-71-2

1-(2-(diphenylphosphino)phenyl)pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1122022-71-2

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1122022-71-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1122022-71-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,2,0,2 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1122022-71:
(9*1)+(8*1)+(7*2)+(6*2)+(5*0)+(4*2)+(3*2)+(2*7)+(1*1)=72
72 % 10 = 2
So 1122022-71-2 is a valid CAS Registry Number.

1122022-71-2Relevant articles and documents

Intramolecular hydroamination catalysed by Ag complexes stabilised in situ by bidentate ligands

Beeren, Sophie R.,Dabb, Serin L.,Messerle, Barbara A.

, p. 309 - 312 (2009)

A series of silver complexes generated in situ from AgOSO2CF3 (AgOTf) and a range of bidentate ligands were investigated as catalysts for the intramolecular hydroamination of 4-pentyn-1-amine. A variety of P- and N-donor ligands were tested including the novel pyrazole-phosphine ligand 1-(2-(diphenylphosphino)phenyl)pyrazole. The best catalyst was formed from equimolar amounts of the P,N-donor ligand 1-(2-(diphenylphosphino)ethyl)pyrazole and AgOTf, which achieved a turnover rate of 129 h-1 for the cyclisation of 4-pentyn-1-amine.

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