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1146543-04-5

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1146543-04-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1146543-04-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,6,5,4 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1146543-04:
(9*1)+(8*1)+(7*4)+(6*6)+(5*5)+(4*4)+(3*3)+(2*0)+(1*4)=135
135 % 10 = 5
So 1146543-04-5 is a valid CAS Registry Number.

1146543-04-5Relevant articles and documents

Palladium-Catalyzed Domino Cyclization/Phosphorylation of gem-Dibromoolefins with P(O)H Compounds: Synthesis of Phosphorylated Heteroaromatics

Chen, Chen,Ding, Jie,Liu, Liying,Huang, Yujie,Zhu, Bolin

, p. 200 - 205 (2021/10/29)

We presented a palladium-catalyzed domino cyclization/phosphorylation of gem-dibromoolefins, which utilize H-phosphinates and secondary phosphine oxides as the phosphine sources, respectively. A variety of phosphorylated heteroaromatics were obtained in m

Synthesis of pyrrolo-/indolo[1,2-a ]quinolines and naphtho[2,1- b ]thiophenes from gem -dibromovinyls and sulphonamides

Kiruthika, Selvarangam E.,Nandakumar, Avanashiappan,Perumal, Paramasivan Thirumalai

, p. 4424 - 4427 (2015/02/05)

A highly efficient and simple route for the synthesis of pyrrolo-/indolo[1,2-a]quinolines and naphtho[2,1-b]thiophenes from gem-dibromovinyls and sulphonamides is reported. The noteworthy feature of this report is that the methodology involves a two-step protocol to synthesize tri- and tetracyclic heterocycles in a one-pot fashion through the Cu(I)-catalyzed formation of ynamide followed by a Ag(I)-assisted intramolecular hydroarylation. The photophysical properties of representative examples of pyrrolo- and indolo[1,2-a]quinolines in solid and solution states have also been studied.

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