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169170-03-0

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169170-03-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 169170-03-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,1,7 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169170-03:
(8*1)+(7*6)+(6*9)+(5*1)+(4*7)+(3*0)+(2*0)+(1*3)=140
140 % 10 = 0
So 169170-03-0 is a valid CAS Registry Number.

169170-03-0Relevant articles and documents

Redox-neutral decarboxylative photocyclization of anthranilic acids

Huang, Huawen,Deng, Kun,Deng, Guo-Jun

, p. 8243 - 8247 (2020/12/29)

A mild metal-, catalyst-, and oxidant-free photoredox neutral system has been found to efficiently enable intramolecular decarboxylative cyclization of anthranilic acids. This facile protocol provides an alternative method for the synthesis of carbazoles. Mechanistic studies reveal a key photoinduced 6π-electrocyclization process and formic acid was released as the sole byproduct.

PhI(OAc)2-mediated intramolecular oxidative aryl-aldehyde C sp 2-C sp 2 bond formation: Metal-free synthesis of acridone derivatives

Zheng, Zisheng,Dian, Longyang,Yuan, Yucheng,Zhang-Negrerie, Daisy,Du, Yunfei,Zhao, Kang

, p. 7451 - 7458 (2014/09/17)

A metal-free protocol for direct aryl-aldehyde Csp2-Csp 2 bond formation via a PhI(OAc)2-mediated intramolecular cross-dehydrogenative coupling (CDC) of various 2-(N-arylamino)aldehydes was developed. The novel methodology requires no need of preactivation of the aldehyde group, is applicable to a large variety of functionalized substrates, and most of all provides a convenient approach to the construction of biologically important acridone derivatives.

TRANSITION-METAL-FREE N-ARYLATION OF TERTIARY AMINES USING ARYNES

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Paragraph 0029; 0040, (2015/01/16)

The present invention relates to transition-metal-free process for the synthesis of tertiary arylamines comprises coupling reaction between arynes and N,N-dimethyl aniline compounds in presence of 18-crown-6, KF and THF.

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