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4743-73-1

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4743-73-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4743-73-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,4 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4743-73:
(6*4)+(5*7)+(4*4)+(3*3)+(2*7)+(1*3)=101
101 % 10 = 1
So 4743-73-1 is a valid CAS Registry Number.

4743-73-1Relevant articles and documents

Novel carbonyl-dependent regioselective allylation via diethylzinc- mediated umpolung of π-allylpalladium

Kimura, Masanari,Ogawa, Yoshimi,Shimizu, Masamichi,Sueishi, Masayuki,Tanaka, Shuji,Tamaru, Yoshinao

, p. 6903 - 6906 (1998)

Palladium-catalyzed allylation of carbonyls (1.1 - 1.5 mmol) with allylic esters 3a-d (1 mmol) in the presence of Pd(PPh3)4 (0.05 mmol) and Et2Zn (2.4 mmol) in THF at room temperature shows marked carbonyl-dependent regioselectivity, providing α-allylation products 5 with benzaldehyde and γ-allylation products 6 with acetone and ethyl acetate.

Arene-catalysed lithiation of phenyl- and 1,1-diphenylcyclopropane: synthetic applications

Gómez, Cecilia,Lillo, Victor J.,Yus, Miguel

, p. 4655 - 4662 (2007/10/03)

The reaction of phenylcyclopropane (1) with an excess of lithium and a catalytic amount of DTBB (2.5% molar) in THF at room temperature, followed by treatment with an electrophile [Me3SiCl, PhMe2SiCl, t-BuCHO, PhCHO, Me2CO

On the Regioselectivity of Coupling of Substituted Allyl Radicals. Steric Versus FMO Control

Pasto, Daniel J.,L'Hermine, Gael

, p. 3259 - 3272 (2007/10/02)

The photo-induced decomposition of substituted-homoallylic 4-nitrobenzenesulfenates produces substituted allyl radicals which undergo dimerization and coupling with the 4-nitrobenzenethiyl radical.The regioselectivity of the dimerization of the allyl redi

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