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78564-16-6

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78564-16-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78564-16-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,6 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78564-16:
(7*7)+(6*8)+(5*5)+(4*6)+(3*4)+(2*1)+(1*6)=166
166 % 10 = 6
So 78564-16-6 is a valid CAS Registry Number.
InChI:InChI=1/C18H11ClN2S/c19-14-8-6-12(7-9-14)15-10-17(13-4-2-1-3-5-13)21-18(22)16(15)11-20/h1-10H,(H,21,22)

78564-16-6Relevant articles and documents

Unexpected formation of 4-aryl-3-cyano-6-phenylpyridine-2(1H)-thiones from the reaction of arylmethylenecyanothioacetamides with benzoyl-1,1,1- trifluoroacetone

Dyachenko,Chernega

, p. 1499 - 1506 (2007/10/03)

4-Aryl-3-cyano-6-phenylpyridine-2(1H)-thiones, used in the synthesis of substituted 2-alkylthiopyridines, thieno[2,3-b]pyridines, and 1,4-di(pyridin-2-ylthio)butane, have been synthesized by the condensation of arylmethylenecyanothioacetamides with benzoyl-1,1,1-trifluoroacetone. The reaction path includes the formation of the Michael adduct which undergoes loss of the acyl group. The structure of 3-cyano-2-methylthio-4-(1-naphthyl)-6- phenylpyridine has been studied by X-ray crystallography. 2005 Springer Science+Business Media, Inc.

Synthesis of N-(2-carboxy-thieno[2,3-b]pyridin-3-yl)amidines by the reaction of 4-oxo-4H-pyrido[3',2':4,5]thieno[3,2-d]1,3-oxazines with secondary cycloaliphatic amines

Vieweg,Leistner,Prantz,Bohm,Wagner

, p. 841 - 845 (2007/10/02)

4-Oxo-4H-pyrido[3',2':4,5]thieno[3,2-d]1,3-oxazines react with secondary cycloaliphatic amines to give besides the expected bisamides the amine salts of N-(2-carboxy-thieno[2,3-b]pyridine-3-yl)amidines. These compounds showed inhibitory activity against different lipoxygenases, but a small chemical stability.

CYCLIZATION OF NITRILES. IX. SYNTHESES BASED ON 2-ARYL-3-AROYL-1,1-DICYANOPROPANES

Shestopalov, A. M.,Promonenkov, V. K.,Sharanin, Yu. A.,Rodinovskaya, L. A.,Sharanin, S. Yu.

, p. 1382 - 1401 (2007/10/02)

2-Aryl-3-aroyl-1,1-dicyanopropanes and 2-aryl-3-aroyl-1-bromo-1,1-dicyanopropanes were synthesized from chalcones and malononitrile and were converted into 4,6-diaryl-2-bromo-3-cyanopyridines and 3-cyano-2(1H)-pyridinethiones.The 2-aryl-3-aroyl-1-bromo-1,1-dicyanopropanes proved convenient intermediates for the production of the corresponding cyclopropanes and other compounds.By their reaction with urea a new method was developed for the production of substituted 3-cyano-2(1H)-pyridinethiones.The 2-bromo-3-cyanopyridines contain a mobile bromine atom readily exchanged for the various nucleophilic residues of alcohols and amines and for iodide, and cyano and thiocyanato groups.The 3-cyano-2(1H)-pyridinethiones were used in the synthesis of 3-aminothienopyridines through the isolated 2-Z-methylthio-3-cyanopyridines.

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