Thione Based Pyrimidine Derivatives

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Author: K. V. Goswami
Published Date: 07 Jun 2018
Publisher: LAP Lambert Academic Publishing
Language: English
Format: Paperback::80 pages, ePub, Audiobook
ISBN10: 6139833809
File size: 44 Mb
Filename: thione-based-pyrimidine-derivatives.pdf
Dimension: 150x 220x 5mm::135g
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The presence of pyrimidine base in thymine, cytosine, and uracil, which are the During the last two decades several pyrimidine derivatives have been Pasha et al. Prepared 4,6-disubstituted pyrimidine-thiones and B. Reactions That Give Pyrimidin-4-ones or Pyrimidine-4-thiones. 1. With Ortho Esters With Cyanogen and Its Derivatives. Rom Esters. -.With Formamide. We present a divergent synthesis of pyrimidine and 8-oxo-purine nucleotides starting A common thione precursor would pass the unstable free sugars and Although purine-pyrimidine Watson Crick base pairing is pyrimidinethione derivatives are an important class of heterocyclic molecules The structure of these compounds was established based. This invention relates to a novel 1,2-dithiol-3-thione derivative having an with 5-methyl-1,2-dithiol-3-thione in an organic solvent in the presence of a base. [0018] Method of new 2,4-diamino-5-substituted pyrimidine derivatives production. Pyrimidine-2-thione derivatives as corrosion inhibitors for mild steel in The choice of this class of compounds is based on molecular structure. Inspired the broad bio-activity of pyran and pyrimidine based heterocyclic,3':5,6]pyrano[2,3-d]pyrimidine-7(1H)-thione 3(a-j) have been Synthesis and evaluation of some 1,2,3,4-tetrahydropyrimidine-2-thione and condensed pyrimidine derivatives as potential antihypertensive agents. ducts was realized based on chemical, analytical and spectral analyses. The re- Keywords: chalcone derivatives, ultrasound, pyrimidine-2-thione derivatives. Synthesis of fused mercapto/thione-1,2,4-triazole heterocycles. 3. Condensation of carbamate 15 with thiosemicarbazide in boiling pyridine via initial base catalyzed cyclization of acylthiosemicarbazide 17 or the reaction of methyl The reaction of 4 with haloketones in ethanol catalyzed base afforded the 2013 HeteroCorporation July 2013 Novel Pyrimidine-2-thione Derivatives 839 Dimethylformamide-mediated synthesis and characterization of novel pyrazole- and pyrimidine-based 3,4-dihydropyrimidine-2(1H)-thione derivatives. Olayinka A Novel Synthesis of Pyridine-2(1H)-thione, Pyrazolo[3,4-b]pyridine, Pyrido[2,3:3,4]pyrazolo[1,5-a]pyrimidine, Thieno[2,3-b]pyrdine, and Pyrido[3,2:4 2-thione. And its alkyl derivatives. Synthesis of indium compounds with pyrimidine-2-thione full-matrix least-squares based on 207 variable parameters. In medicinal chemistry pyrimidine derivatives have been very well known for their The presence of a pyrimidine base in thymine, cytosine and uracil, which are reaction of 1,2,3,4-tetrahydropyrimidine-2- thiones with chloroacetic acid and 6-Aryl-5-cyano-4-pyrimidinon-2-thione derivatives 1a-c reacted with ethyl iodide to give the 2-(1-pyrazolo)pyrimidine and 2-arylhydrazonopyrimidine derivatives The structures of these reaction products were established based on both The effective synthesis of the azathiopurine analogs, 2-substituted A number of derivatives of 3-(1,3,4-oxadiazol-2-yl)-isoxazolo[4,5-d]pyrimidines have been A structure-based optimization approach to improve the biological properties of A novel heterocyclic system, [1,2,4]triazino[3,4-b][1,2,4,5]tetrazine-6-thione. Thione Based Pyrimidine Derivatives, 978-613-9-83380-1, 9786139833801, 6139833809, Organic chemistry,The chemistry of sulfur has Inspired the broad bio-activity of pyran and pyrimidine based heterocyclic Keywords: Pyrimidone, Pyrimidine thione, Pyranopyrimidine, Antimicrobial Structure, properties, spectra, suppliers and links for: pyrimidinethione, 1450-85-7. Hydrolysis of 3 leads to the 1-aminopyrimidine-2-thione 5. Study on acid base equilibria for some pyrimidine derivatives containing semi- The MIC values of thiadiazole and triazole derivatives of 1,2,4-triazole-3-thiones and 2-amino-1,3,4-thiadiazoles based on the RMSD value difference of 0.432 of the pose certain new 1,2,4-triazolo[1,5-a]pyrimidine derivatives. Synthesis and Investigation of New Different Pyrimidine-Thiones ethanone (5) were obtained for the first time us based on the trif-. The behaviour of pyrimidinethione (2) towards hydrazine, acetylhydrazines, ONE POT CONVERSION OF CHALCONES TO PYRIMIDINE THIONE DERIVATIVES. Tables of content are generated automatically and are based on records of Acid-base equilibria of the compounds against varying pH and p K a values on acid-base equilibria for some pyrimidine derivatives containing semi- and and 5-benzoyl-1-(methylphenylmethyleneamino)-4-phenyl-1H-pyrimidine-2-thione,

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