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85664-56-8

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85664-56-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85664-56-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,6 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 85664-56:
(7*8)+(6*5)+(5*6)+(4*6)+(3*4)+(2*5)+(1*6)=168
168 % 10 = 8
So 85664-56-8 is a valid CAS Registry Number.

85664-56-8Relevant articles and documents

Carbamoyl anion addition to nitrones

Reeves, Jonathan T.,Lorenc, Chris,Camara, Kaddy,Li, Zhibin,Lee, Heewon,Busacca, Carl A.,Senanayake, Chris H.

, p. 5895 - 5902 (2014/07/08)

The addition of carbamoyl anions derived from N,N-disubstituted formamides and LDA to N-tert-butyl nitrones is described. The reaction was demonstrated with a variety of formamides and nitrones and provided a direct route to α-(N-hydroxy)amino amides. The use of a tert-leucinol derived chiral auxiliary on the nitrone provided products in good diastereoselectivity. Derivatization of the products by tert-butyl deprotection or N-deoxygenation was demonstrated.

α-Oxygenation of Aldehydes and Cyclic Ketones by Acylation-Rearrangement of Nitrones

Cummins, Clark H.,Coates, Robert M.

, p. 2070 - 2076 (2007/10/02)

The reaction of N-tert-butylnitrones (1a-e) of aldehydes and N-methylnitrones (2 and 3) of cyclic ketones with acid chlorides in the presence of triethylamine afforded α-acyloxy imines by rearrangement of N-vinyl-O-acylhydroxylamine intermediates.Hydrolysis of the α-acyloxy imines gave α-acyloxy aldehydes and ketones.The acylation-rearrangement reaction offers a new method for α-oxygenation of carbonyl compounds.

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