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63272-39-9

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63272-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63272-39-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,2,7 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 63272-39:
(7*6)+(6*3)+(5*2)+(4*7)+(3*2)+(2*3)+(1*9)=119
119 % 10 = 9
So 63272-39-9 is a valid CAS Registry Number.

63272-39-9Upstream product

63272-39-9Downstream Products

63272-39-9Relevant articles and documents

Iron-catalysed 1,2-acyl migration of tertiary α-azido ketones and 2-azido-1,3-dicarbonyl compounds

Yang, Tonghao,Lin, Yajun,Yang, Chaoqun,Yu, Wei

supporting information, p. 6097 - 6102 (2019/11/20)

Iron-catalysed 1,2-acyl migration of tertiary α-azido ketones and 2-azido-1,3-dicarbonyl compounds provides a simple and atom-economical approach toward enamides and isoquinolones. This paper reports two catalyst systems for these transformations which employ iron(ii) complexes [Fe(dpbz)]Br2 (dpbz = 1,2-bis(diphenylphosphino)benzene) and FeBr2/Et3N, respectively. [Fe(dpbz)]Br2 was found to be highly effective at converting 2-azido-2,3-dihydro-1H-inden-1-ones to isoquinolones. The reagent combination of FeBr2/Et3N, on the other hand, exhibited a broader catalytic scope, owing to the beneficial effect of Et3N. This latter catalyst system enables 2-azido-2-methyl-1,3-dicarbonyl compounds to be converted to the corresponding enamides under mild conditions in good yields.

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