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101561-61-9

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101561-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101561-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,5,6 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 101561-61:
(8*1)+(7*0)+(6*1)+(5*5)+(4*6)+(3*1)+(2*6)+(1*1)=79
79 % 10 = 9
So 101561-61-9 is a valid CAS Registry Number.

101561-61-9Relevant articles and documents

A CONVENIENT SYNTHETIC METHOD FOR SCHIFF BASES. THE TRIMETHYLSILYL TRIFLUOROMETHANESULFONATE-CATALYZED REACTION OF N,N-BIS(TRIMETHYLSILYL)AMINES WITH ALDEHYDES AND KETONES

Morimoto, Toshiaki,Sekiya, Minoru

, p. 1371 - 1372 (1985)

N,N-Bis(trimethylsilyl)amines react with aldehydes or ketones in the presence of trimethylsilyl trifluoromethanesulfonate to give Schiff bases in high yields.In situ utilization of the reaction solution as the Schiff base is also demonstrated.

Enantioselective Reductive Cyanation and Phosphonylation of Secondary Amides by Iridium and Chiral Thiourea Sequential Catalysis

Chen, Dong-Huang,Sun, Wei-Ting,Zhu, Cheng-Jie,Lu, Guang-Sheng,Wu, Dong-Ping,Wang, Ai-E,Huang, Pei-Qiang

supporting information, p. 8827 - 8831 (2021/03/16)

The combination of transition-metal catalysis and organocatalysis increasingly offers chemists opportunities to realize diverse unprecedented chemical transformations. By combining iridium with chiral thiourea catalysis, direct enantioselective reductive cyanation and phosphonylation of secondary amides have been accomplished for the first time for the synthesis of enantioenriched chiral α-aminonitriles and α-aminophosphonates. The protocol is highly efficient and enantioselective, providing a novel route to the synthesis of optically active α-functionalized amines from the simple, readily available feedstocks. In addition, the reactions are scalable and the thiourea catalyst can be recycled and reused.

Discovery of novel quaternary ammonium derivatives of (3R)-quinuclidinyl carbamates as potent and long acting muscarinic antagonists

Prat, Maria,Buil, María Antonia,Fernández, Maria Dolors,Castro, Jordi,Monleón, Juan Manuel,Tort, Laia,Casals, Gaspar,Ferrer, Manuel,Huerta, Josep Maria,Espinosa, Snia,López, Manuel,Segarra, Victor,Gavald, Amadeu,Miralpeix, Montserrat,Ramos, Israel,Vilella, Dolors,González, Marisa,Córdoba, Mnica,Cárdenas, Alvaro,Antón, Francisca,Beleta, Jorge,Ryder, Hamish

scheme or table, p. 3457 - 3461 (2011/06/24)

Novel quaternary ammonium derivatives of N,N-disubstituted (3R)-quinuclidinyl carbamates have been identified as potent M3 muscarinic antagonists with long duration of action in an in vivo model of bronchoconstriction. These compounds have also presented a high level of metabolic transformation (human liver microsomes). The synthesis, structure-activity relationships and biological evaluation of these compounds are reported.

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