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113708-92-2

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113708-92-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113708-92-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,7,0 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 113708-92:
(8*1)+(7*1)+(6*3)+(5*7)+(4*0)+(3*8)+(2*9)+(1*2)=112
112 % 10 = 2
So 113708-92-2 is a valid CAS Registry Number.

113708-92-2Relevant articles and documents

Synthesis of dihydrobenzoheterocycles through Al(OTf)3-mediated cascade cyclization and ionic hydrogenation

Tian, Yulin,Wang, Xiaojian,Xiao, Qiong,Sun, Chenbin,Yin, Dali

, p. 9678 - 9685 (2014)

A facile and versatile synthesis of dihydrobenzoheterocycles via Al(OTf)3-mediated cascade cyclization and ionic hydrogenation has been developed. The reaction is applicable to a wide range of substrates with various functional groups to afford the corres

Synthesis, Crystal Structure, and Biological Activity of 4-phenoxyacetyl-substituted methyl-3,4-dihydro-2H-1,4-benzoxazine

Kang, Tao,Liu, Cheng-Guo,Qu, Hai-Tao

, p. 259 - 264 (2021/08/03)

Two novel substituted benzoxazine derivatives have been synthesized through reduction, cyclization, and acylation reactions. The target compounds were characterized by IR, 1H-NMR, 13C-NMR, and HRMS. The single-crystal structures of t

Metal-free tandem cyclization/hydrosilylation to construct tetrahydroquinoxalines

Pan, Yixiao,Chen, Changjun,Xu, Xin,Zhao, Haoqiang,Han, Jiahong,Li, Huanrong,Xu, Lijin,Fan, Qinghua,Xiao, Jianliang

supporting information, p. 403 - 411 (2018/02/07)

A one-pot tandem procedure involving cyclization and sequential hydrosilylation of imines and amides under the catalysis of B(C6F5)3 has been developed for the step-economical construction of 1,2,3,4-tetrahydroquinoxalines directly from readily available 1,2-diaminobenzenes, α-ketoesters and low-cost, safe polymethylhydrosiloxane (PMHS). This metal-free approach provides various products in good to excellent yields, and displays a wide range of substrate scope and a high degree of functional group tolerance even to reduction-sensitive moieties. The choice of hydrosilanes is critical to the catalysis, and PMHS has proved to be optimal. Decreasing the amount of PMHS could enable the reaction to stop at the 3,4-dihydroquinoxalin-2(1H)-one stage. The procedure is convenient and scalable, and neither a dried solvent nor an inert atmosphere is required. Moreover, the enantioselective construction of these products was explored, and promising results were achieved.

Ruthenium-Catalyzed Amination of Secondary Alcohols Using Borrowing Hydrogen Methodology

Marichev, Kostiantyn O.,Takacs, James M.

, p. 2205 - 2210 (2016/04/26)

A new ruthenium complex catalyzes the amination of primary and secondary alcohols and the regioselective mono- and sequential diamination of diols via the borrowing hydrogen pathway. Several variations on new intra- and intermolecular cyclizations of aminoalcohols, diols, and diamines lead to heterocyclic ring systems.

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