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143360-93-4

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143360-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143360-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,6 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143360-93:
(8*1)+(7*4)+(6*3)+(5*3)+(4*6)+(3*0)+(2*9)+(1*3)=114
114 % 10 = 4
So 143360-93-4 is a valid CAS Registry Number.

143360-93-4Relevant articles and documents

Sequential Sonogashira/intramolecular aminopalladation/cross-coupling ofortho-ethynyl-anilines catalyzed by a single palladium source: rapid access to 2,3-diarylindoles

Wang, Jiwei,Wang, Gendi,Cheng, Xiang,Liu, Ye,Zhang, Jun

, p. 1329 - 1333 (2021/02/26)

We have developed a practical and efficient one-pot protocol for the synthesis of 2,3-diarylindolesviaPd-catalyzed bis-arylative cyclization of variouso-ethynylanilines with aryl iodides. Mechanism studies showed that a Pd-catalyzed Sonogashira reaction took place firstly, giving an internal alkyne intermediate, which subsequently underwent intramolecular aminopalladation/cross-coupling to give access to 2,3-diarylindoles. The present methodology exhibits a broad substrate scope, producing various 2,3-diaryl indoles bearing two different aryl groups.

Investigation of the intermolecular Pauson-Khand reaction of various 1-alkynes with cyclic exo-methylene compounds

Ishizaki, Miyuki,Zyo, Mieko,Kasama, Yasuhiro,Niimi, Yuka,Hoshino, Osamu,Nishitani, Kiyoshi,Hara, Hiroshi

, p. 2259 - 2271 (2007/10/03)

Intermolecular Pauson-Khand reaction of various 1-alkynes with 4-exo-methylenepiperidine and -cyclohexane derivatives to give corresponding spirocyclopentenones was investigated. The reaction of m- and p-substituted arylalkynes furnished corresponding spirocyclic compounds in good yields, while that of o-substituted arylalkynes and 1-hexyne proceeded in nil to moderate yield.

C(2)-(α-Mannosyl)indole: The pivotal intermediate towards the natural C-Glycopeptides

Hassan,Spies,Bredenkamp

, p. 1589 - 1598 (2007/10/03)

Two different approaches were investigated to prepare the unusual modified peptide C(2)-mannosylated indole residue. Direct glycosylation of 2-metallated indoles or 2-trimethylsilylindole derivative by reaction with perbenzylated α-D-mannopyranosyl bromid

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