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87273-96-9

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87273-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87273-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,7 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 87273-96:
(7*8)+(6*7)+(5*2)+(4*7)+(3*3)+(2*9)+(1*6)=169
169 % 10 = 9
So 87273-96-9 is a valid CAS Registry Number.

87273-96-9Relevant articles and documents

Synthesis of Polyfunctionalized Triaryllanthanum Reagents by Using Ph3La and Related Species as Exchange Reagents

Benischke, Andreas D.,Anthore-Dalion, Lucile,Kohl, Fabien,Knochel, Paul

, p. 11103 - 11109 (2018)

Ph3La?5 LiCl and the related (m-xylyl)3La?5 LiCl were used as Hal/La exchange reagents (Hal=Br, I) for the preparation of various triaryl- and triheteroaryl-lanthanum derivatives. These new exchange reagents are compatible with isoquinolines and some functional groups such as a nitrile or an ester. The reactivity of the resulting lanthanum compounds towards electrophiles, such as ketones, aldehydes, N,N-dimethylamides, and primary alkyl halides was investigated. Additionally, a Pd-catalyzed cross-coupling procedure with aryl bromides was developed.

Sulfonamides as new hydrogen atom transfer (HAT) catalysts for photoredox allylic and benzylic C-H arylations

Tanaka, Hirotaka,Sakai, Kentaro,Kawamura, Atsushi,Oisaki, Kounosuke,Kanai, Motomu

supporting information, p. 3215 - 3218 (2018/04/05)

A catalytic amount of a sterically and electronically tuned diarylsulfonamide promoted allylic and benzylic C-H arylations in cooperation with a visible light photoredox catalyst. This is the first example of the catalytic use of a sulfonamidyl radical to promote the hydrogen atom transfer process.

A general strategy for organocatalytic activation of c-h bonds via photoredox catalysis: Direct arylation of benzylic ethers

Qvortrup, Katrine,Rankic, Danica A.,MacMillan, David W.C.

supporting information, p. 626 - 629 (2014/02/14)

Direct C-H functionalization and arylation of benzyl ethers has been accomplished via photoredox organocatalysis. The productive merger of a thiol catalyst and a commercially available iridium photoredox catalyst in the presence of household light directly affords benzylic arylation products in good to excellent yield. The utility of this methodology is further demonstrated in direct arylation of 2,5-dihydrofuran to form a single regioisomer.

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