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54105-61-2

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54105-61-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54105-61-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,0 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54105-61:
(7*5)+(6*4)+(5*1)+(4*0)+(3*5)+(2*6)+(1*1)=92
92 % 10 = 2
So 54105-61-2 is a valid CAS Registry Number.

54105-61-2Relevant articles and documents

B(C6F5)3-catalyzed tandem protonation/deuteration and reduction of: In situ -formed enamines

Wu, Rongpei,Gao, Ke

supporting information, p. 4032 - 4036 (2021/05/19)

A highly efficient B(C6F5)3-catalyzed tandem protonation/deuteration and reduction of in situ-formed enamines in the presence of water and pinacolborane was developed. Regioselective β-deuteration of tertiary amines was achieved with high chemo- and regioselectivity. D2O was used as a readily available and cheap source of deuterium. Mechanistic studies indicated that B(C6F5)3 could activate water to promote the protonation and reduction of enamines. This journal is

Ru-catalyzed β-selective and enantioselective addition of amines to styrenes initiated by direct arene-exchange

Otsuka, Maiko,Yokoyama, Hiroya,Endo, Kohei,Shibata, Takanori

scheme or table, p. 3815 - 3818 (2012/06/04)

A catalytic β-selective addition of amines to styrenes proceeded in the presence of cationic Ru complexes combined with diphosphine ligands. In the reaction of α-methylstyrene, an enantioselective addition was achieved by using xylylBINAP.

Broadening the scope of group 4 hydroamination catalysis using a tethered ureate ligand

Leitch, David C.,Payne, Philippa R.,Dunbar, Christine R.,Schafer, Laurel L.

supporting information; experimental part, p. 18246 - 18247 (2010/04/25)

(Chemical Equation Presented) A broadly applicable group-4-based precatalyst for the hydroamination of primary and secondary amines was developed. Screening experiments involving a series of amide and urea proligands led to the discovery of a tethered bis(ureate) zirconium complex with unprecedented reactivity in the intermolecular hydroamination of alkynes and the intramolecular hydroamination of alkenes. This catalyst system is effective with primary and secondary amines, 1,2-disubstituted alkenes, and heteroatom-containing functional groups, including ethers, silanes, amines, and heteroaromatics. The gem-disubstituent effect is not required for cyclization. The catalyst is generally regioselective for the anti-Markovnikov product of intermolecular alkyne hydroamination, and chemoselective for hydroamination over C-alkylation when forming 6- and 7-membered rings from aminoalkenes.

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