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1-Ethoxycarbonyl-2-(4-methylphenyl)vinylendipyridinium-dibromid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

76212-04-9

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76212-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76212-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,2,1 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76212-04:
(7*7)+(6*6)+(5*2)+(4*1)+(3*2)+(2*0)+(1*4)=109
109 % 10 = 9
So 76212-04-9 is a valid CAS Registry Number.

76212-04-9Downstream Products

76212-04-9Relevant academic research and scientific papers

Novel Heterocyclizations with Malonic Esters . 1,3-Dithioles; 1,3-Oxathioles; Δ2-Oxazolines and the Vinylene dipyridinium dication

Capuano, Lilly,Bronder, Marott,Hell, Wolfgang,Moersdorf, Peter,Hoge, Reinhold

, p. 899 - 908 (2007/10/02)

The reaction of diethyl bromomalonate (1) or diethyl diazomalonate (6) with benzoyl isothiocyanate (2) proceeds via the carbene intermediates 4,7 or 12 to afford the 1,3-dithiole 5, the Δ2-oxazoline 8 or the 1,3-oxathioles 9 depending upon the catalyst employed.In contrast, the bis(ethoxycarbonyl)methylpyridinium bromides 14 upon treatment with benzoyl isocyanates 15 in pyridine give rise to vinylene dipyridinium dibromides 18.- Keywords: Heterocyclizations; 1H-NMR-Spectroscopy; Iso(thio)cyanates; Malonates

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