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1314581-23-1

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1314581-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1314581-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,4,5,8 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1314581-23:
(9*1)+(8*3)+(7*1)+(6*4)+(5*5)+(4*8)+(3*1)+(2*2)+(1*3)=131
131 % 10 = 1
So 1314581-23-1 is a valid CAS Registry Number.

1314581-23-1Relevant articles and documents

Palladium-Catalyzed Allylation of Polyfluoroarenes with Allylic Pivalates

Jiang, Xinpeng,Liu, Yong,Zhang, Lei,Chen, Jinkang,Cheng, Kang,Yu, Chuanming

, p. 251 - 255 (2017/09/27)

An efficient 1,5-cyclooctadiene-PdCl 2 /dicyclohexyl(2′,4′,6′-triisopropylbiphenyl-2-yl)phosphine (XPhos) catalytic system was developed for C-H allylation of polyfluoroarenes with allylic pivalates. The reactions showed excellent functional-group tolerance, good yields, and high regioselectivities. Mechanistic investigations supported a (π-allyl)palladium complex pathway through a directed oxidative addition of the allylic pivalate to palladium, followed by sequential nucleophilic attack by the polyfluorobenzene and reductive elimination. In a gram-scale reaction, a palladium loading of 0.5 mol% was enough to afford the required product in good yield.

Synthesis of allylarenes via catalytic decarboxylation of allyl benzoates

Pfister, Kai F.,Grünberg, Matthias F.,Goossen, Lukas J.

, p. 3302 - 3306 (2015/02/02)

A catalyst system consisting of the palladium(0) complex Pd2(dba)3 and tri(p-tolyl) phos-phine was found to efficiently promote the decarboxylation of allyl benzoates with formation of allylarenes. This catalytic C-O activation followed by extrusion of carbon dioxide and C-C bond formation represents a sustainable alternative to traditional waste-intensive cross-couplings. The scope of the transformation includes allyl and cinnamyl esters of various ortho-substituted benzoic acids. For particularly activated substrates, the palladium catalyst can optionally be replaced by an inexpensive nickel complex.

Regio- and stereoselective allylic C-H arylation with electron-deficient arenes by 1,1′-Bi-2-naphthol-palladium cooperation

Wang, Gang-Wei,Zhou, An-Xi,Li, Shi-Xia,Yang, Shang-Dong

supporting information, p. 3118 - 3121 (2014/06/23)

A palladium-catalyzed allylic C-H arylation reaction with electron-deficient arenes with high regio- and stereoselectivity is reported. This work represents the first successful use of 1,1′-bi-2-naphthol as the ancillary ligand in allylic C-H activation, which is the key factor for chemoselectivity. Furthermore, high selectivity allylic C-H acetoxylation and amination were also successfully achieved under the same catalytic system.

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