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[PDF] Top 20 Synthesis and antimicrobial activity of new 3,5-diarylidene-4-piperidone derivatives

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Synthesis and antimicrobial activity of new 3,5-diarylidene-4-piperidone derivatives

Synthesis and antimicrobial activity of new 3,5-diarylidene-4-piperidone derivatives

... mixture of 4-piperidone hydrochloride monohydrate (1, 10 mmol) and various substituted aromatic aldehydes (20 mmol) in ethanol (10 mL) was stirred at room temperature (29 °C) for 10 ... See full document

12

Synthesis, Characterization and Antimicrobial Activity of Certain Novel Aryl Hydrazone Pyrazoline-5-Ones Containing Thiazole Moiety

Synthesis, Characterization and Antimicrobial Activity of Certain Novel Aryl Hydrazone Pyrazoline-5-Ones Containing Thiazole Moiety

... Synthesis of thiosemicarbazone XIV: A mixture of [3- methyl-5-oxo -4-(phenyl hydrazono)-4,5-dihydro- pyrazol-1yl]-acetic acid hydrazide XIII ...mL) and water (20 mL) were ... See full document

7

Synthesis of new derivatives from 1,2a,4a,5-tetramethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one.

Synthesis of new derivatives from 1,2a,4a,5-tetramethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one.

... SYNTHESIS OF NEW DERIVATIVES FROM ...the synthesis of biologically active compounds through a [3+4] cycloaddition reaction to produce the main frame structure, ... See full document

6

Synthesis of novel  and  benzoxazepine derivatives with antitumoral activity

Synthesis of novel and benzoxazepine derivatives with antitumoral activity

... 2 Benzothiazepines synthesis: [1,5](a) Z. Q. Dong, F. M. Liu and Z. L. Yuan, Mol. Diversity, 2011, 15, 963; (b) D. B. Yadav, B. Dharmendra, G. L. Morgans, B. A. Aderibigbe, L. G. Madeley, M. A. Fernandes, ... See full document

4

Synthesis, structural characterization and myorelaxant activity of 4-naphthylhexahydroquinoline derivatives containing different ester groups

Synthesis, structural characterization and myorelaxant activity of 4-naphthylhexahydroquinoline derivatives containing different ester groups

... preparation of alkyl 2,6,6-trimethyl-4-(1-naphthyl/2-naph- thyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylates (compounds 1–16) was as follows: a one-pot four component mixture of ... See full document

10

Synthesis and antimicrobial activities of new 4-thiazolidones derived from formipyridine thiosemicarbazones.

Synthesis and antimicrobial activities of new 4-thiazolidones derived from formipyridine thiosemicarbazones.

... anel 4-tiazolidinona possui vários sítios de substituição, o que leva a um grande número de análogos estru- ...2, 3 e 5 do anel (Figura 1a), onde promovem modificações nos parâmetros físico-químicos ... See full document

6

A new Synthesis of 3-arylpropenoic acids and 5-phenyl-2,4-pentadienoic acid from 4-acetyl-3-arylsydnones and arylaldehydes

A new Synthesis of 3-arylpropenoic acids and 5-phenyl-2,4-pentadienoic acid from 4-acetyl-3-arylsydnones and arylaldehydes

... molecules and are also precursors for many pharmacologically active ...Esters and amide derivatives of cinnamic acids have been shown to exihibit antibacterial and antifungal activities ... See full document

7

Synthesis and antimicrobial evaluation of 2-(2-butyl- 4-chloro-1H-imidazol-5-yl-methylene)-substituted-benzofuran-3-ones

Synthesis and antimicrobial evaluation of 2-(2-butyl- 4-chloro-1H-imidazol-5-yl-methylene)-substituted-benzofuran-3-ones

... 1 and flavones, 2 which are structurally isomeric compounds, are widely distributed in ...pigmentation of the flowers 3 in which they ...antileishmanicidal and antiviral activities of ... See full document

8

Synthesis, characterization and antifungal activity of quaternary derivatives of chitosan on Aspergillus flavus

Synthesis, characterization and antifungal activity of quaternary derivatives of chitosan on Aspergillus flavus

... other derivatives. As can be seen from Fig. 3 the inhibition percentage obtained for CH- C and CH remained around 5% and increased slightly from ...10% of propyltrimethyl ... See full document

6

Synthesis and antitubercular evaluation of new 1,2,3-triazole derivatives of carbohydrates

Synthesis and antitubercular evaluation of new 1,2,3-triazole derivatives of carbohydrates

... antiallergic and anti-HIV 2,3 . Literature has recently reported the preparation of triazole derivatives linked to carbohydrates and biological evaluation of their glicoconjugates, have ... See full document

7

Synthesis and antimicrobial, antifungal and anthelmintic activities of 3H-1,5-benzodiazepine derivatives

Synthesis and antimicrobial, antifungal and anthelmintic activities of 3H-1,5-benzodiazepine derivatives

... salt of 4-amino-1-methyl-3-propyl-1H-pyrazole-5-car- boxamide in the presence of sodium hydroxide was condensed with different β -diketones/ β -ketoesters, 3a–e, to obtain new β ... See full document

7

Sulfonamide and carbamate derivatives of 6-chloropurine: synthesis, characterization and antimicrobial activity evaluation

Sulfonamide and carbamate derivatives of 6-chloropurine: synthesis, characterization and antimicrobial activity evaluation

... therapy and animal husbandry. 19 The sulfonamide derivatives have been found to be used in various biological application such as antitumor, 20 hypoglycemic, 21 anti-thyroid, 22 anti-carbonic anhydrase, 23 ... See full document

12

The antimicrobial activity of lapachol and its thiosemicarbazone and semicarbazone derivatives

The antimicrobial activity of lapachol and its thiosemicarbazone and semicarbazone derivatives

... Solutions of the compounds at 200 μg/ mL in 1:1 MeOH-H 2 O were infused at a rate of ...mL/min and positive and negative mass spectra were ac- quired with an m/z range of 50-1,000 ... See full document

10

Synthesis and antiedematogenic activity of some N-trypthophyl-5-benzylidene-2,4-thiazolidinedione and N-trypthophyl-5-benzylidene-rhodanine derivatives.

Synthesis and antiedematogenic activity of some N-trypthophyl-5-benzylidene-2,4-thiazolidinedione and N-trypthophyl-5-benzylidene-rhodanine derivatives.

... NH 4 OH/água, na proporção de 1:2, foi agitada por 5 ...de 4-metoxibenzaldeído em 3 mL de etanol, e depois, 1 mL de uma solução aquosa saturada de cloreto de amônio (NH 4 ... See full document

6

Synthesis and evaluation of the phytotoxic activity of α-Santonin derivatives.

Synthesis and evaluation of the phytotoxic activity of α-Santonin derivatives.

... SYNTHESIS AND EVALUATION OF THE PHYTOTOXIC ACTIVITY OF α-SANTONIN ...Mixtures of α-Santonin and various solvents were irradiated by either high or low pressure mercury ... See full document

6

Clean and Green Synthesis of New Benzothiazole Derivatives via Electrochemical Oxidation of Catechol Derivatives

Clean and Green Synthesis of New Benzothiazole Derivatives via Electrochemical Oxidation of Catechol Derivatives

... tion of this compound 4(a−d) is easier than oxidation of the parent starting molecule 1(a,b) by virtue of the presence of an electron-donating group, and 5(a−d) is ... See full document

9

Docking, synthesis and  activity of Nacylhydrazone derivatives designed as  A4 analogues

Docking, synthesis and activity of Nacylhydrazone derivatives designed as A4 analogues

... deviation of 0.066 A ˚ , as well as C2—C9 bond torsion angles of 3.4 (3) u and ...bond and allowing an elongation of the C1—C3 bond [1.499 (3) A ˚ ] relative to the ... See full document

16

Synthesis and evaluation of antimalarial activity of curcumin derivatives.

Synthesis and evaluation of antimalarial activity of curcumin derivatives.

... A citotoxicidade dos compostos sintéticos foi avaliada utilizando contra a linhagem celular HeLa (ATCC # CCl-2) pelo ensaio redução do 3-(4,5 dimetiltiiazol-2il)-2,5 difeniltretazólico (MTT). Para o en- saio de ... See full document

5

Synthesis and phytotoxic activity evaluation of lactone derivatives of 2,4-dimethyl-8-oxabicyclo[3.2.1]-oct-6-en-3-one.

Synthesis and phytotoxic activity evaluation of lactone derivatives of 2,4-dimethyl-8-oxabicyclo[3.2.1]-oct-6-en-3-one.

... se o oxabiciclo (4) (2,0 g, 12,99 mmol), em 20 mL de tetraidrofurano e 20 mL de N,N’-dimetil-N,N’-propileno uréia (DMPU). Após 1,5 horas adicionou-se (±)-2-bromopropionato de metila (5,8 mL, 8,68 g, 52 mmol). A ... See full document

6

Snail shell as a new natural and reusable catalyst for synthesis of 4H-Pyrans derivatives

Snail shell as a new natural and reusable catalyst for synthesis of 4H-Pyrans derivatives

... one-pot synthesis of 4H-pyrans by the cyclocondensation of 4-chloro benzaldehyde (1a) malononitrile (2), and ethyl acetoacetate (3a) using snail shell (SS) ...equiv), and 3a (2 ... See full document

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