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1415560-39-2

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1415560-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1415560-39-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,5,6 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1415560-39:
(9*1)+(8*4)+(7*1)+(6*5)+(5*5)+(4*6)+(3*0)+(2*3)+(1*9)=142
142 % 10 = 2
So 1415560-39-2 is a valid CAS Registry Number.

1415560-39-2Relevant articles and documents

Enantioselective Multicomponent Condensation Reactions of Phenols, Aldehydes, and Boronates Catalyzed by Chiral Biphenols

Barbato, Keith S.,Luan, Yi,Ramella, Daniele,Panek, James S.,Schaus, Scott E.

supporting information, p. 5812 - 5815 (2015/12/11)

Chiral diols and biphenols catalyze the multicomponent condensation reaction of phenols, aldehydes, and alkenyl or aryl boronates. The condensation products are formed in good yields and enantioselectivities. The reaction proceeds via an initial Friedel-Crafts alkylation of the aldehyde and phenol to yield an ortho-quinone methide that undergoes an enantioselective boronate addition. A cyclization pathway was discovered while exploring the scope of the reaction that provides access to chiral 2,4-diaryl chroman products, the core of which is a structural motif found in natural products.

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