[PDF] Top 20 LA HERENCIA Historia Del Derecho Peruano
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Novel synthesis of Pyrimido[4,5- e] [1,3,4] thiadiazines
... of 1-(5-bromo-2-chloro-6-methylpyrimidin-4-yl)-1- methylhydrazine with dimethylthiocarbamoylchloride gave 7-chloro-N,N,1,5- ... See full document
5
Novel synthesis of Pyrimido[4,5- e] [1,3,4] thiadiazines
... of 1-(5-bromo-2-chloro-6-methylpyrimidin-4-yl)-1- methylhydrazine with dimethylthiocarbamoylchloride gave 7-chloro- ... See full document
34
Microwave assisted synthesis of [4, 5-e] [1, 3, 4]thia- diazin-7-yl] hydrazine Derivatives
... of pyrimido[4,5-e][1,3,4]thiadiazines, persuaded us to search for efficient synthetic methods for this class of heterocyclic compounds, which were described as nucleoside analogues,[ 1,2] ... See full document
43
Solvent Free Synthesis of tetra alkyl- phenyl-1H-pyrimido [4, 5-e][1,3,4]Thiadiazine-3,7-diamines
... of pyrimido[4, 5- e][1, 3, 4]thiadiazines, as a very important class of pyrimidin drivatives , [10-13] persuaded us to search for efficient synthetic methods for ... See full document
23
Synthesis of 5-arylidine-2-(3, 4, 5-trimethoxyphenyl)-3-(4-phenylthiazol-2-yl) Thiazolidin-4-one Derivatives as a Novel Class of Antimicrobial Agents
... maintained on LB agar medium at 28 °C. The bacteria were grown in LB broth, centrifuged at 10,000 rpm for 5 minutes; a pellet was dissolved in double distilled water and used to inoculate the plates. The ... See full document
9
Synthesis of Novel 2-Butyl-1H-Benzo [4, 5] Imidazo [1, 2-A] Imidazo [4, 5-E] Pyridine-5-Carbonitrile Derivatives and Evaluation of Their Anticancer Activity
... Cancer is a major health concern globally with huge number of patients suffering throughout the world. The agony and relative death rate caused by it is very high in developing countries due to the side effects ... See full document
46
SYNTHESIS, CHARACTERIZATION ANDINVITRO CYTOTOXIC EVALUATION OF NOVEL AMIDE DERIVATIVES OF 5 [2 (4 METHOXYPHENYL)PYRIDIN 3 YL] 1, 3, 4 THIADIAZOL 2 AMINE
... The Ethyl 2-(4-methoxy phenyl) Pyridine-3-Carboxylate(4.6g, 0.02008mol) was taken in a 250ml RB flask containing 150 mL of methanol. To this reaction mixture KOH (3.714g, 0.1004mol) was added and kept for ... See full document
107
Synthesis and Characterization of 2-phenyl-5- (1-phenyl-3-(3, 4, 5-trimethoxyphenyl)-1H-pyrazol- 4-yl) - 1, 3, 4-oxadiazole Scaffolds for Assessing Their Medicinal Potentials
... of 1-phenyl-3- (3,4,5-trimethoxyphenyl)-1H-pyrazole derivatives as a series of novel 1, 3, 4-oxadiazoles (7a-7h) through iodine-catalyzed oxidative cyclization of the hydrazone ... See full document
18
SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF NOVEL 1, 3, 4-THIADIAZOLE DERIVATIVES
... of 1, 3, 4-thiadiazole nucleus, numerous of structural modifications have been made to increase their biological ...activities. 1, 3, 4-thiadiazole derivatives display quite a ... See full document
30
Novel synthesis and antibacterial activity of 3 amino 8 chloro 4 oxo (2H)/Aryl/Heteryl pyrazolo [3′′′,4′′′: 4,5] pyrimido[2,1 b][1,3]benzothiazoles
... A mixture of of 8-chloro-3-cyano-2-methylthio-4-oxo-4H-pyrimido[2,1-b][1,3]benzothiazole (3) (0.001mole) and hydrazine hydrate / aryl hydrazine / heteryl hydrazine (0.002moles) was refluxed in ... See full document
24
MULTICOMPONENT SYNTHESIS AND CHARACTERIZATION OF NEW 2 SUBSTITUTED DERIVATIVES OF 3 AMINO 4 IMINO 8 NITRO 2H PYRAZOLO [3,4 e]PYRIMIDO[2,3 b][1,3]BENZOTHIAZOLE
... the synthesis of 2- substituted derivatives of 3-amino-4-imino-8-nitro-pyrazolo [3,4-e] pyrimido [2,3-b] [1,3] benzothiazole (III) obtained by the multicomponent reaction of ... See full document
16
Synthesis, Antimicrobial, Antioxidant and Molecular Docking Study of Some Novel Bis-1, 2, 4-Triazolo [3, 4-b]-1, 3, 4-Thiadiazoles
... All the compounds (5a-i) were found to have minimum binding energy ranging from -5.19 to -8.99 kJ/mol with antimicrobial Acinetobacter baumannii penicillin-binding protein target (PDB Code: 3UDI). Among the molecules ... See full document
124
SYNTHESIS, ANTICONVULSANT AND NEUROTOXICITY SCREENING OF SOME NOVEL 2, 5-DISUBSTITUTED - 1, 3, 4 – OXADIAZOLE DERIVATIVES
... In conclusion, the present results have revealed that halo substituted aryl at benzoxazole ring and alkyl substituted aryl at oxadiazole ring were essential for activity. Thus a number of 2, 5-disubstituted ... See full document
138
Synthesis, Characterization and Anticonvulsant Activity of Some Novel 4, 5-Disubstituted-1, 2, 4-Triazole Derivatives
... of novel 4, 5-disubstituted-1,2,4-triazoles (6a-o) were synthesized on refluxing hydrazinecarbothiomides with an aqueous solution of sodium hydroxide starting from methyl-4-hydroxy benzoate ... See full document
75
SYNTHESIS AND ANTICANCER SCREENING OF HETEROCYCLIC COMPOUNDS BEARING PYRIMIDO [4, 5 B] QUINOLINE MOIETY
... analgesics 1 , antitubercular 2 , antiallergics 3 , anticonvulsant 4 , antihistaminic 5 , antibacterial 6 , in addition, other derivatives also exhibit good antitumor activity 7-10 ... See full document
15
Design, Synthesis, Characterization and Anticancer properties of novel derivatives of 1-[2-(Aryl substituted)-5- (4'-methoxy-biphenyl-4-yl)-[1, 3, 4] oxadiazole-3-yl]- ethanone
... The synthesis of novel derivatives of 1,3,4-oxadiazoles 6a-6f was achieved on the basis of the fact that 1,3,4- oxadiazoles known from decades a potential molecule possessing various biological properties ... See full document
5
Synthesis and pharmacological screening of novel 6-methyl-2-oxo-4-substituted-5-(5-phenyl-1, 3, 4-oxadiazole-2yl)-1, 2, 3, 4-tetrahydropyrimidine
... by synthesis of DHPM using substituted aldehydes and conversion of DHPM to the respective hydrazides followed by treatment with phosphorus oxychloride and dichloroethane to yield corresponding substituted ... See full document
8
SYNTHESIS, CHARACTERIZATION AND BIOLOGICAL STUDIES OF NEWLY SYNTHESIZED -1, 3, 5-THIADIAZINES
... of 1-Aryl-5-p-tolyl-2-S-benzyl-2,4- isodithiobiurets and phenyl isocyanodichloride in chloroform ...of 1-Aryl-5-p-tolyl-2-S- ...for 3 hr during which evolution of HCl was ... See full document
9
Synthesis of novel pyrimido [5, 4 d] pyrimidines by sequential nucleophillic substitution reaction
... new pyrimido- pyrimidine derivative, its preparation and ...art. Pyrimido-pyrimidine derivatives exhibit various types of physiological activity and enter into medicinal products and this determines the ... See full document
8
Condensation of thiohydrazide analogues with 4-bromo-3, 6-dichloropyridazine: an efficient rout to pyridazino[4, 3-e][1, 3, 4] thiadiazines
... 4-Bromo-3,6-dichloropyridazine 1 was recently exhibited as a suitable precursor for the multistep synthesis of pyridazino [4,3-e][1,3,4]thiadiazine derivatives ...[4,3- ... See full document
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