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65934-71-6

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65934-71-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65934-71-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,9,3 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65934-71:
(7*6)+(6*5)+(5*9)+(4*3)+(3*4)+(2*7)+(1*1)=156
156 % 10 = 6
So 65934-71-6 is a valid CAS Registry Number.

65934-71-6Relevant articles and documents

Tertiary alcohols by tandem β-carbolithiation and N→C aryl migration in enol carbamates

Fournier, Anne M.,Clayden, Jonathan

supporting information; experimental part, p. 142 - 145 (2012/02/14)

Enol carbamates (O-vinylcarbamates) derived from aromatic or α,β-unsaturated compounds and bearing an N-aryl substituent undergo carbolithiation by nucleophilic attack at the (nominally nucleophilic) β position of the enol double bond. The resulting carbamate-stabilized allylic, propargylic, or benzylic organolithium rearranges with N→C migration of the N-aryl substituent, creating a quaternary carbon α to O. The products may be readily hydrolyzed to yield multiply branched tertiary alcohols in a one-pot tandem reaction, effectively a polarity-reversed nucleophilic β-alkylation-electrophilic α-arylation of an enol equivalent.

Ultrasonically activated reduction of substituted nitrobenzenes to corresponding N-arylhydroxylamines

Ung, Stéphane,Falguières, Annie,Guy, Alain,Ferroud, Clotilde

, p. 5913 - 5917 (2007/10/03)

Arylhydroxylamines can be obtained by reduction of the corresponding nitroaromatic compounds. We report here an efficient preparation of arylhydroxylamines by a controlled reduction of nitro compounds using zinc metal and ammonium chloride under ultrasonic activation in very short reaction times.

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