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53723-51-6

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53723-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53723-51-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,2 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53723-51:
(7*5)+(6*3)+(5*7)+(4*2)+(3*3)+(2*5)+(1*1)=116
116 % 10 = 6
So 53723-51-6 is a valid CAS Registry Number.

53723-51-6Relevant articles and documents

Synthesis and comparative antibacterial activity of verdamicin C2 and C2a. A new oxidation of primary allylic azides in dihydro[2H]pyrans

Hanessian, Stephen,Szychowski, Janek,Pablo Maianti

supporting information; experimental part, p. 429 - 432 (2009/09/25)

(Chemical Equation Presented) A synthesis of verdamicin C2 and its congener C2a has been accomplished from sisomicin relying on a novel oxidative transformation of an allylic azide to the corresponding α,β- unsaturated aldehyde, and its stereocontrolled elaboration into the intended 5′ side chain of verdamicin C2 and C2a. In vitro antibacterial testing shows that both C6′ epimers in verdamicin C2 and C2a are equally active against a variety of bacterial strains. Oxidation of allylic primary azides, ethers, and esters of 2-substituted dihydro[2H]pyrans with SeO2 leads directly to the corresponding aldehydes.

THE NITROGENATED ALLYLIC SYSTEM AS AN INTRAMOLECULAR NUCLEOPHILE: A NEW ROUTE TO PYRAZOLES

Momose, Takefumi,Toyooka, Naoki,Ikuta, Takashi,Yanagino, Hironobu

, p. 789 - 793 (2007/10/02)

A new route to pyrazoles via the cyclization of N-allyl-N-nitrosoamides is described.

Obtention de composes ethyleniques difonctionnels par acetylation de cyclohexenes diversement substitues. Synthese d'esters d'acetyl cyclohexenyle

Grignon-Dubois, M.,Cazaux, M.

, p. 332 - 342 (2007/10/02)

A series of 22 functionally substituted (i. e. ketone, nitrile, ester and alcohol) cycloalkenes was treated with a complex of acetic anhydride-zinc chloride.The influence exerted on the reaction by the function's nature and its position relative to the do

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