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1253059-20-9

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1253059-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253059-20-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,0,5 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1253059-20:
(9*1)+(8*2)+(7*5)+(6*3)+(5*0)+(4*5)+(3*9)+(2*2)+(1*0)=129
129 % 10 = 9
So 1253059-20-9 is a valid CAS Registry Number.

1253059-20-9Downstream Products

1253059-20-9Relevant articles and documents

Regioselective Synthesis of 2° Amides Using Visible-Light-Induced Photoredox-Catalyzed Nonaqueous Oxidative C-N Cleavage of N, N-Dibenzylanilines

Neerathilingam, Nalladhambi,Bhargava Reddy, Mandapati,Anandhan, Ramasamy

supporting information, p. 15117 - 15127 (2021/10/25)

A visible-light-driven photoredox-catalyzed nonaqueous oxidative C-N cleavage of N,N-dibenzylanilines to 2° amides is reported. Further, we have applied this protocol on 2-(dibenzylamino)benzamide to afford quinazolinones with (NH4)2S2O8 as an additive. Mechanistic studies imply that the reaction might undergo in situ generation of α-amino radical to imine by C-N bond cleavage followed by the addition of superoxide ion to form amides.

MIL-101(Cr) as a synergistic catalyst for the reduction of imines with trichlorosilane

Chen, Jingwen,Chen, Xiaoling,Zhang, Zhiguo,Bao, Zongbi,Xing, Huabin,Yang, Qiwei,Ren, Qilong

, p. 163 - 169 (2018/01/05)

The development of catalyst based on porous crystalline materials (PCM) constructed from metal ions or clusters and multidentate organic ligands is a topic of great interest. In view of the Lewis acidic and basic properties of PCMs, we report for the first time that MIL-101(Cr) works as a synergistic catalyst for the reduction of imines with trichlorosilane as the hydrogen source. Both ketimines and aldimines were tolerated with this protocol, giving the corresponding amines in moderate to high yields. The operational simplicity as well as mild reaction conditions renders this protocol an attractive approach for the synthesis of amines. Furthermore, a chiral MOF, CMIL-101, was also realized by grafting chiral N-formyl proline derivatives to the open metal sites. Moreover, CMIL-101 exhibited a comparable catalytic performance with its homogeneous counterpart in terms of yields and enantioselectivities.

Concise synthesis of aromatic tertiary amines via a double Petasis-borono Mannich reaction of aromatic amines, formaldehyde, and organoboronic acids

Wang, Jiayi,Li, Pinzhen,Shen, Qiaoying,Song, Gonghua

supporting information, p. 3888 - 3891 (2014/07/08)

A simple and efficient strategy to construct aromatic tertiary amines via a double Petasis-borono Mannich reaction of aromatic amines, formaldehyde, and organoboronic acids has been developed. The transformation provides a useful method for the synthesis of amine derivatives.

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