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858788-75-7

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858788-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 858788-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,7,8 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 858788-75:
(8*8)+(7*5)+(6*8)+(5*7)+(4*8)+(3*8)+(2*7)+(1*5)=257
257 % 10 = 7
So 858788-75-7 is a valid CAS Registry Number.

858788-75-7Relevant articles and documents

Palladium-Catalyzed C–C Ring Closure in α-Chloromethylimines: Synthesis of 1H-Indoles

Bellezza, Delia,Noverges, Bárbara,Fasano, Francesco,Sarmiento, Jeymy T.,Medio-Simón, Mercedes,Asensio, Gregorio

, p. 1229 - 1235 (2019)

The C-C ring closure of α-chloromethyl alkyl or aryl N-aryl imines catalyzed with 1 to 10 % Pd(OAc)2/P(p-tolyl)3 afford efficiently 2-aryl- and 2-alkyl-1H-indoles. The heterocyclization reaction involves the initial formation of [2-(arylimino)ethyl]palladium(II) chloride complexes with subsequent C-H activation of the aromatic amine ring. Readily or commercially available α-chloromethyl-aryl or -alkyl ketones are used as the precursors. Functionalized indoles at the benzene ring are obtained when the imines are derived from substituted anilines.

Preparation method of indole compounds

-

Paragraph 0056, (2019/04/04)

The invention provides a preparation method of indole compounds. 2-cyanoethylene oxide compounds and arylamine react under the catalysis effect of lewis acid (boron trifluoride diethyl etherate or aluminum trichloride) to obtain corresponding indole compo

Ruthenium-catalyzed synthesis of indoles from anilines and epoxides

Pena-Lopez, Miguel,Neumann, Helfried,Beller, Matthias

supporting information, p. 1818 - 1824 (2014/03/21)

A general synthetic route to indoles from readily available anilines and epoxides by using ruthenium catalysis is described. This straightforward transformation allows a variety of indoles to be obtained in good yields by using [Ru3(CO)12]/1,1-bis(diphenylphosphino)ferrocene as the catalytic system. Water and hydrogen are formed as the only stoichiometric by-products, making this process highly atom efficient.

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