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1448465-33-5

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1448465-33-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1448465-33-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,8,4,6 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1448465-33:
(9*1)+(8*4)+(7*4)+(6*8)+(5*4)+(4*6)+(3*5)+(2*3)+(1*3)=185
185 % 10 = 5
So 1448465-33-5 is a valid CAS Registry Number.

1448465-33-5Downstream Products

1448465-33-5Relevant articles and documents

Unexpected isomerization of new naphth[1,3]oxazino[2,3-a]isoquinolines in solution, studied by dynamic NMR and supported by theoretical DFT computations

Szatmári, István,Heydenreich, Matthias,Koch, Andreas,Fül?p, Ferenc,Kleinpeter, Erich

, p. 7455 - 7465 (2013)

Through the reactions of 1-aminomethyl-2-naphthol and substituted 1-aminobenzyl-2-naphthols with 3,4-dihydroisoquinoline or 6,7-dimethoxy-3,4- dihydroisoquinoline under microwave conditions, naphth-[1,2-e][1,3]oxazino[2,3- a]-isoquinoline derivatives were prepared in good yields. The latter reaction was extended by using 2-aminoarylmethyl-1-naphthols, leading to isomeric naphth-[2,1-e][1,3]oxazino[2,3-a]isoquinolines. Beside the detailed NMR spectroscopic and theoretical study of both stereochemistry and dynamic behaviour of these new conformational flexible heterocyclic ring systems an unexpected dynamic process between two diastereomers was observed in solution, studied by variable temperature 1H NMR spectroscopy and the mechanism proved by theoretical DFT computations.

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