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ethyl 3,5-dibromo-4-(1H-pyrrol-1-yl)benzoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71131-72-1

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71131-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71131-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,3 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71131-72:
(7*7)+(6*1)+(5*1)+(4*3)+(3*1)+(2*7)+(1*2)=91
91 % 10 = 1
So 71131-72-1 is a valid CAS Registry Number.

71131-72-1Downstream Products

71131-72-1Relevant articles and documents

Palladium-Catalyzed Annulation of Internal Alkynes: Direct Access to π-Conjugated Ullazines

Wan, Danyang,Li, Xiaoyu,Jiang, Ruyong,Feng, Boya,Lan, Jingbo,Wang, Ruilin,You, Jingsong

supporting information, p. 2876 - 2879 (2016/07/06)

A palladium-catalyzed cyclization reaction of 1-(2,6-dibromophenyl)-1H-pyrroles with alkynes has been developed to construct various π-conjugated indolizino[6,5,4,3-ija]quinolones (ullazines) with a reactive functional group tolerance. As illustrative examples, three new ullazine-based sensitizers are synthesized, and the performance of these dyes is examined in DSSC devices, which demonstrates the potential of direct C-H functionalization in the construction of organic optoelectronic materials.

Friedel-crafts arylation for the formation of C sp 2 iC sp 2 Bonds: A route to unsymmetrical and functionalized polycyclic aromatic hydrocarbons from aryl triazenes

Zhou, Jun,Yang, Weijun,Wang, Binjie,Ren, Hongjun

supporting information, p. 12293 - 12297 (2013/02/23)

Rings, rings, rings: A Friedel-Crafts intramolecular arylation for the synthesis of polycyclic aromatic hydrocarbons from aryl triazenes has been achieved. Polycyclic aromatic compounds consisting of five-, six-, and seven-membered rings can be prepared using this method. Copyright

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