نتایج جستجو برای: isatin β thiosemicarbazone

تعداد نتایج: 179088  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ایلام - دانشکده علوم پایه 1393

دراین پایان نامه دوکاتالیزگر نانومغناطیسی برای شیمی گزینی اکسایش سولفیدها به سولفوکسیدها تهیه و مورد استفاده قرار گرفتند.سولفوکسیدها حدواسط های مهم سنتزی برای ساختن مولکول هایی هستند که اهمیت بیولوژیکی و شیمیایی دارند. در طی این کار zr(iv)-isatin-fe3o4 و cu(ii)-isatin-fe3o4به عنوان کاتالیزگرهای موثر برای اکسایش سولفیدها به سولفوکسیدها سنتز و مورد استفاده قرار گرفتند.لازم به ذکر است که کاتالیزگر...

Journal: :Dalton transactions 2015
Saswati Ayon Chakraborty Subhashree P Dash Alok K Panda Rama Acharyya Ashis Biswas Subhadip Mukhopadhyay Sujit K Bhutia Aurélien Crochet Yogesh P Patil M Nethaji Rupam Dinda

4-(p-X-phenyl)thiosemicarbazone of napthaldehyde {where X = Cl (HL¹) and X = Br (HL²)}, thiosemicarbazone of quinoline-2-carbaldehyde (HL³) and 4-(p-fluorophenyl)thiosemicarbazone of salicylaldehyde (H₂L⁴) and their copper(I) {[Cu(HL¹)(PPh₃)₂Br]·CH₃CN (1) and [Cu(HL²)(PPh₃)₂Cl]·DMSO (2)} and copper(II) {[(Cu₂L³₂Cl)₂(μ-Cl)₂]·2H₂O (3) and [Cu(L⁴)(Py)] (4)} complexes are reported herein. The synth...

2008
G. Ramanjaneyulu P. Raveendra Reddy Krishna Reddy Sreenivasulu Reddy

A rapid and sensitive spectrophotometric method is developed for the determination of Copper (II) in aqueous DMF medium. The metal ion forms a light greenish yellow coloured complex with 5-bromo salicylaldehyde thiosemicarbazone (5-BSAT) in acidic medium. The complex shows absorption maximum at 390nm. Beer's law is obeyed in the range 0.31 – 6.35 gml -1 of Copper (II). The molar absorptivity ( ...

1951
B. P. Neogy

Discovered by Waksman et al. (1944), streptomycin was first tried extensively by Feldman and Hinshaw (1945). Synthesized in the year 1889, para-amino-salicylic acid has been studied in detail both in the United States of America and Western Europe (Lehmann, 1946). Similarly, thiosemicarbazone was developed by Professor Domagk (1946) and para-acetyl-aminobenzaldehyde thiosemicarbazone was studie...

2014
Salman A. Khan Abdullah M. Asiri Khalid Al-Amry Maqsood Ahmad Malik

Metal complexes were prepared by the reaction of thiosemicarbazone with CuCl2, NiCl2, CoCl2, Cu(OAc)2, Ni(OAc)2, and Co(OAc)2. The thiosemicarbazone coordinates to metal through the thionic sulfur and the azomethine nitrogen. The thiosemicarbazone was obtained by the thiosemicarbazide with 3-acetyl-2,5-dimethylthiophene. The identities of these compounds were elucidated by IR, (1)H, (13)C-NMR, ...

2013
Mustafa Karatepe Dilara Kaman

Advers biological activities of Thiosemicarbazone (TSC) and Schiff base (SB) derivatives have been widely studied in rats and in other animal species using different doses, times and routes of administration. To date, no attempt has been made to study alterations occurring in the amino acid profile in the effects of the thiosemicarbazone derivative and its metal complexes on the rats. At this s...

2006
ALAN C. SARTORELLI BARBARA A. BOOTH

The tumor-inhibitory jxitency of combinations of the cupric chelate of kethoxal bis(thiosemicarbazone) [Cu(II)KTS] with several compounds that cause inhibition of the synthesis of DNA by different biochemical mechanisms was assessed in Sarcoma 180 ascites cells. Cu(II)KTS prolonged the survival time of tumor-bearing mice, whereas neither cupric chloride, copper stéarate,nor kethoxal bis(thiose...

Mohammad K Mohammadi

An efficient and mild methodology for rapid and efficient synthesis of isatin Schiff bases was described under microwave irradiation and solvent free condition.aromatic or heterocyclic Primary amines and isatin could be selectively reacted under microwave irradiation into the corresponding isatin Schiff bases in high yields and short reaction time.  

Journal: :iranian journal of pharmaceutical sciences 0
bharat bhusan subudhi department of pharmaceutical sciences, utkal university, vanivihar, bhubaneshwar-751004, orissa, india prasanna k. panda department of pharmaceutical sciences, utkal university, vanivihar, bhubaneshwar-751004, orissa, india dinabandhu bhatta department of pharmaceutical sciences, utkal university, vanivihar, bhubaneshwar-751004, orissa, india aditya jena department of pharmaceutical technology, yadavpur university, kolkata-700032, india

the role of cu, zn and co in human physiology is well documented. isatin and glycine have inhibitory effects on central nervous system. to capitalize on these features metal complexes of isatin-3-glycine were prepared and evaluated for anticonvulsant activity. the cu (ii) complex was found to be most active among the compounds. the compounds were screened against staphylococcus aureus, escheric...

Journal: :Acta Crystallographica Section E Structure Reports Online 2008

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