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Wednesday, July 22, 2020 | History

2 edition of Some substituted pyrimidines ... found in the catalog.

Some substituted pyrimidines ...

Earl Richard Tweedie

Some substituted pyrimidines ...

by Earl Richard Tweedie

  • 345 Want to read
  • 26 Currently reading

Published in [Chicago] .
Written in English

    Subjects:
  • Pyrimidines.

  • Edition Notes

    Statementby Earl Richard Tweedie.
    Classifications
    LC ClassificationsQD401 .T95 1935
    The Physical Object
    Pagination1 p. l., 51 p.
    Number of Pages51
    ID Numbers
    Open LibraryOL6398236M
    LC Control Number40003861

    The preparation of a number of pyrimidinethiols and (substituted) thiopyrimidines has been carried out. The reaction of 5-acetylaminoaminopyrimidine-4,6-diol with phosphorus penta -sulfide in pyridine gave 5-aminomethylthiazolo[5,4-d]pyrimidinethiol which was used to prepare several additional novel pyrimidine Cited by: 9. Title:A Simple Access in One Step to Some New Substituted Pyrazolo- and [1,2,4]triazolo-[1,5-a]pyrimidines VOLUME: 10 ISSUE: 2 Author(s):Monaem Balti, Khaireddine Dridi and Mohamed Lotfi Cited by: 3.

    The pyrimidine ring system has wide occurrence in nature as substituted and ring fused compounds and derivatives, including the nucleotides, thiamine (vitamin B1) and alloxan. It is also found in many synthetic compounds such as barbiturates and the HIV drug, zidovudine. The nomenclature of pyrimidines . 1. Pharmazie. Sep 9;24(9) [Pharmacology and toxicology of some substituted, partially hydrated pyrimidines, thiazines and thiazole pyrimidines].Author: Bekemeier H, Jaenecke G, Schmollack W, Schottek W.

    1. Toxicol Appl Pharmacol. Jan;10(1) Effect of some substituted pyrimidines on development of renal hypertension in the rat. Waters IW, Fregly MJ, Voss by: 1. some 2-heterocycle-substituted phenothiazines Amit i, Arif B. Siddiqui, and Viresh H. Shah* Chemical Research Laboratory, Department of Chemistry, Saurashtra University, Rajkot, India E-mail: [email protected] Abstract Some novel 2-heterocycle-substituted phenothiazines having a pyrazolo[3,4-d]pyrimidine.


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Some substituted pyrimidines .. by Earl Richard Tweedie Download PDF EPUB FB2

Synthesis and studies of some substituted pyrimidines Hardik Mehta1*, Ranjan Khunt2 e college, Morbi, India 2Department of Chemistry, Saurashtra university,Rajkot, India Abstract: The one. Antagonism of some gibberellin actions by a substituted pyrimidine.

From a comparison of the effects of seven growth retardants and abscisic acid (ABA) on various growth systems, it was found that the. This chapter describes pyrimidines with the help of a US patent. It outlines the details of the patent n-heterocyclic derivatives as NOS inhibitors.

The assignee of this patent is Schering Aktiengesellschaft and the utility designation is nitric oxide synthase inhibitors. The desired 2,5- substituted pyrimidines were obtained by Suzuki coupling of 2-substituted benzyloxybromopyrimidines with various aryl boronic acids in the presence catalytic amount of PdCl2.

The free energy of activation for internal rotation about the C–N exocyclic bond of Some substituted pyrimidines. book substituted 4-(-di-methylamino)pyrimidines has been determined using H and C n.m.r.

line-shape analysis. Ester, cyanide and some other substituted Biginelli compounds are reported to be promising anti-bacterial agents [13] (Figures ). Figures Ester, cyanide and some other substituted Biginelli compounds are reported to be promising anti-bacterial agents. Potassium Channel Antagonists There are some.

Some Substituted Pyrazoles and Substituted Pyrimidines as SARS-CoV 3CL pro Inhibitors Mohamed et al. () recently reported some substituted pyrazoles and substituted pyrimidines. The equilibrium constants for ion pair formation of some pyridines have been evaluated by spectrophotometric titration with trifluoroacetic acid in different ionic liquids.

The basicity order is the same in ionic liquids and in water. The substituent Cited by: Antimicrobial activity: Saundane 26 synthesised 2- (2', 5' substituted indolideneamino- 3'- yl) - 4, 6- diaryl pyrimidines (I) and 2 [2', 5'-substitutedindole- 3'- yl) (phenyl azo) methylene imino]- 4, 6- Diaryl pyrimidine.

Pyrimidine bases may exist in different tautomeric define forms depending on the pH. At neutral pH, pyrimidines are hydrophobic and therefore relatively insoluble.

Substituted pyrimidines are. Pyrrolo[2,3-d]pyrimidines. Part 3. 1 Synthesis of Some Novel 4-Substituted Pyrrolo[2,3- d ]pyrimidines and Their Related Triazolo Derivatives Wahid M.

Basyouni, Hanaa M. Hosni and Khairy A. El Cited by: 3. How to cite this article: Salwa F. Mohamed, Alhusain A. Ibrahiem, Abd El-Galil E. Amr and Mohamed M. Abdalla, SARS-CoV 3C-Like Protease Inhibitors of some Newly Synthesized Substituted Pyrazoles and Substituted Pyrimidines.

The latter two belong to the category of substituted xanthines. Formal addition of an -OH group usually results in an enol-keto transformation, which is shown by shifting double bonds and hydrogen atoms in the structures.

Standard nomenclature for substituted pyrimidines. A method for the synthesis of 2-substituted pyrimidinecarboxylic esters is described. The sodium salt of 3,3-dimethoxymethoxycarbonylpropenol has been found to react with a variety of amidinium salts to afford the corresponding 2-substituted pyrimidine.

(57) Abstract: The present invention provides a compound of formula (I) (In the formula, A means N or CH, R is H, halogen, means an alkyl or cycloalkyl, R 2 and R 3 are taken H, to or together represents a halogen or an aliphatic group 1 to form a number of ring, X is O, refers to NH, or S (O) q (where q = 0, 1, 2), the alkyl R 4 q is optionally substituted Author: ヴァルテルスドルファー・アンナ, クナウフ・ヴェルナー, ケルン・マンフレート, ザッハゼ・ブルクハルト, シャパー・ヴォルフガング, ブラウン・ペーター, プロイス・ライナー, ボーニン・ヴェルナー.

Synthesis of Novel Benzofuran-Gathered C -2,4,6-substituted Pyrimidine Derivatives Conjugated by Sulfonyl Chlorides: Orally Bioavailable, Selective, Effective Antioxidants and Antimicrobials Drug Cited by: Rajesh Vyas et al., 18 synthesized some 2 amino- 4, 6 diaryl substituted pyrimidines and than screened them for antibacterial and herbicidal activity.

R 1 = H, Cl, Br, OCH 3; R 2 = OCH 3, H; R 3 = OCH 3, N (CH 3) 2; R 4 = OCH 3, H. In other words it can be stated that pyrimidine.

Purine is a heterocyclic aromatic organic compound that consists of a pyrimidine ring fused to an imidazole ring. It is water-soluble. Purine also gives its name to the wider class of molecules, purines, which include substituted Chemical formula: C₅H₄N₄.

Lee et al [16] synthesized and studied some 6-substituted pyridopyrimidine analogous as potential AK inhibitors, led to the identification of 4-amino(3-bromophenyl)(6-morpholinopyridinyl)pyrido[2,3-d]-pyrimidine Cited by: 5.

General Procedure for the Preparation of Compounds (2 and 3). A mixture of chalcone (1) ( g, 10 mmol) and different nucleophilic reagents, namely, urea and thiourea (10 mmol), was dissolved in ethanolic sodium hydroxide.

SYNTHESIS OF SUBSTITUTED PYRIMIDINES AND PYRIDINES AS LIGANDS TO THE 5-HT 7 RECEPTOR by AVA L. BLAKE Under the Direction of Dr. Lucjan Strekowski ABSTRACT Of the. Europe PMC is an ELIXIR Core Data Resource Learn more >. Europe PMC is a service of the Europe PMC Funders' Group, in partnership with the European Bioinformatics Institute; and in Cited by: 1.The 2-C-(β-D-glucopyranosyl)substituted-pyrimidines were obtained from the same amidine precursors upon treatment with vinamidinium salts.

The deprotected derivatives of these pyrimidines were tested as inhibitors of some Author: Eszter Szennyes, Gyöngyi Gyémánt, László Somsák, Éva Bokor.