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1516899-85-6

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1516899-85-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1516899-85-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,1,6,8,9 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1516899-85:
(9*1)+(8*5)+(7*1)+(6*6)+(5*8)+(4*9)+(3*9)+(2*8)+(1*5)=216
216 % 10 = 6
So 1516899-85-6 is a valid CAS Registry Number.

1516899-85-6Downstream Products

1516899-85-6Relevant articles and documents

Novel chiral (salen)Mn(iii) complexes containing a calix[4]arene unit in 1,3-alternate conformation as catalysts for enantioselective epoxidation reactions of (Z)-aryl alkenes

Bonaccorso, Carmela,Brancatelli, Giovanna,Ballistreri, Francesco P.,Geremia, Silvano,Pappalardo, Andrea,Tomaselli, Gaetano A.,Toscano, Rosa M.,Sciotto, Domenico

, p. 2183 - 2193 (2014/01/17)

Two new chiral calix[4]arene-salen ligands 1a,b, based on calix[4]arene platforms in 1,3-alternate conformation, have been prepared by a new general synthetic pathway. Their Mn(iii) complexes, 3a,b, have shown fairly good efficiency in the asymmetric epoxidation of styrene and substituted styrenes, whereas excellent catalytic activity and selectivity were observed with rigid bicyclic alkenes, namely 1,2-dihydro-naphthalene and substituted 2,2′-dimethyl-chromene. The higher catalytic properties of 3a may be ascribed to the more rigid and inherently chiral structure as proved by molecular modelling, NMR spectroscopy and X-ray data of the similarly structured UO2 complexes 2a,b.

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