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1101868-64-7

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1101868-64-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1101868-64-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,1,8,6 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1101868-64:
(9*1)+(8*1)+(7*0)+(6*1)+(5*8)+(4*6)+(3*8)+(2*6)+(1*4)=127
127 % 10 = 7
So 1101868-64-7 is a valid CAS Registry Number.

1101868-64-7Downstream Products

1101868-64-7Relevant articles and documents

Sulfur-Mediated Decarboxylative Coupling of 2-Nitrobenzyl Alcohols and Arylacetic Acids

Le, Ha V.,Nguyen, Duyen K.,Nguyen, Khang X.,Nguyen, Tung T.,Pham, Phuc H.,Phan, Nam T. S.

, p. 1112 - 1116 (2020)

We report a new method for the synthesis of substituted quinazolines by the condensation of 2-nitrobenzyl alcohols with arylacetic acids. The transformation requires the use of urea as a nitrogen source, elemental sulfur as a promoter, DABCO as a base, and DMSO as a solvent. Functionalities such as chloro, fluoro, trifluoromethyl, thienyl, and indolyl groups were all compatible with the reaction conditions. Because our method uses stable simple substrates to obtain the N,N-heterocycles in the absence of transition metals, it offers a potential pathway for preparing complex structures under mild conditions.

Divergent Synthesis of Quinazolines Using Organocatalytic Domino Strategies under Aerobic Conditions

Gujjarappa, Raghuram,Maity, Suvik K.,Hazra, Chinmoy K.,Vodnala, Nagaraju,Dhiman, Shiv,Kumar, Anil,Beifuss, Uwe,Malakar, Chandi C.

, p. 4628 - 4638 (2018/09/13)

An easy and efficient organocatalytic approach to the synthesis of 2-substituted quinazolines is described based on the reaction between 2-aminobenzylamines and aldehydes or alcohols or amines. Three organocatalytic platforms were investigated, using 3-nitropyridine, pyridine N-oxide, and vitamin B3. Having established the new catalytic systems, the tandem transformations of 2-aminobenzylamines to give substituted quinazolines were achieved in excellent yields and with a broad substrate scope, with no formation of toxic side-products. The investigated conditions are not restricted to the use of aldehydes; the protocol also works well with alcohols or amines as substrates. These are oxidized in situ to the corresponding aldehydes to achieve the successful transformation. A mechanistic proposal has been drawn up based on control experiments. We found that under aerobic conditions, catalytic amounts of H2O2 can be generated; this plays a key role in the efficacy of the described approach. The green chemistry metrics of the developed method are also presented. The E factor of 8.18 mg/1 mg demonstrates that the reported method is an excellent complement to previous protocols.

Copper-Catalyzed Multicomponent Domino Reaction of 2-Bromoaldehydes, Benzylamines, and Sodium Azide for the Assembly of Quinazoline Derivatives

Xu, Cheng,Jia, Feng-Cheng,Zhou, Zhi-Wen,Zheng, Si-Jie,Li, Han,Wu, An-Xin

, p. 3000 - 3006 (2016/04/26)

An efficient three-component domino reaction of 2-bromoaldehydes, benzylamines, and sodium azide has been developed for the synthesis of quinazoline derivatives. This domino process involves copper-catalyzed SNAr, oxidation/cyclization, and denitrogenation sequences. The mild catalytic system enabled the effective construction of three C-N bonds in one operation.

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