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1208109-63-0

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1208109-63-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1208109-63-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,8,1,0 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1208109-63:
(9*1)+(8*2)+(7*0)+(6*8)+(5*1)+(4*0)+(3*9)+(2*6)+(1*3)=120
120 % 10 = 0
So 1208109-63-0 is a valid CAS Registry Number.

1208109-63-0Relevant articles and documents

Substrate Controlled Regioselective Bromination of Acylated Pyrroles Using Tetrabutylammonium Tribromide (TBABr3)

Gao, Shuang,Bethel, Travis K.,Kakeshpour, Tayeb,Hubbell, Grace E.,Jackson, James E.,Tepe, Jetze J.

, p. 9250 - 9255 (2018)

Electrophilic bromination of pyrroles bearing carbonyl substituents at C-2 typically results in a mixture of the 4- and 5-brominated species, generally favoring the 4-position. Herein, we describe a substrate-controlled regioselective bromination in which

Synthesis of 6-substituted 2-pyrrolyl and indolyl benzoxazoles by intramolecular O-arylation in photostimulated reactions

Vaillard, Victoria A.,Guastavino, Javier F.,Buden, Maria E.,Bardagi, Javier I.,Barolo, Silvia M.,Rossi, Roberto A.

, p. 1507 - 1519 (2012/03/11)

The synthesis of a series of 6-substituted 2-pyrrolyl and 2-indolyl benzoxazoles by photostimulated C-O cyclization of anions from 2-pyrrole carboxamides, 2-indole carboxamides, or 3-indole carboxamides has been found to proceed in good to excellent yields (41-100%) in DMSO and liquid ammonia. The pyrrole and indole carboxamides are obtained in good to very good isolated yields by an amidation reaction of different 2-haloanilines with 2-carboxylic acid of pyrrole and 2- or 3-carboxylic acid of indole. To explain the regiochemical outcome of these reactions (C-O arylation vs C-N or C-C arylation), a theoretical analysis was performed using DFT methods and the B3LYP functional.

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