Results 71 to 80 of about 895 (179)

Synthesis and anti-microbial activity of (Z)-4-(4-substituted-thiazol-2-yl)-1-(2-oxoindolin-3-ylidene) semicarbazide and its derivatives

, 2010
1117-11263-[(2S)-3-Acetyl-5-amino-N-(4-substituted-thiazol-2-yl)2,3-dihydro-1,3,4-oxadiazol-2-yl]-indolin-2-yl acetates, 1-{N-[(2R)-2-(-2-oxoindolin-3-ylidene)-4-oxo-1,3-thiazolidin-3-yl]-3-(4-substituted-thiazol-2yl)ureas, N-(4-substituted-thiazol-2 ...
Basavarajaiah, S M, Mruthyunjayaswamy, B H M   +1 more
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Synthesis and Structure of 1-(1,2,3-Thiadiazolylcarbonyl)-4-(1,2,3-thiadiazolyl)semicarbazide Derivatives

Novel unknown potentially biologically active 1-(1,2,3-thiadizolylcarbonyl)-4-(1,2,3-thiadiazolyl)-semicarbazides were synthesized by reactions of 1,2,3-thiadiazolylcarboxylic acid hydrazides with 1,2,3- thiadizolylcarbonyl azide in high yields.
Khrustalev V.N., Dorovatovskii P.V., Glukhareva T.V., Khamidullina L.A., Kalinina T.A.   +4 more
core   +1 more source

Design, Synthesis and Biological Activities of (Thio)Urea Benzothiazole Derivatives. [PDF]

Int J Mol Sci, 2023
Mendieta-Wejebe JE, Rosales-Hernández MC, Padilla-Martínez II, García-Báez EV, Cruz A.   +4 more
europepmc   +1 more source

Preparation of N, 2-diaryldiazenecarboxamides under solvent-free condition using active manganese dioxide on acidic silica gel as the oxidant

, 2002
220-221A mild and efficient synthesis of N, 2-diaryldiazenecarboxamides (ArNHCON=NPh) can be easily achieved by the oxidation of aryl substituted semicarbazides (ArNHCONHNHPh) using active manganese dioxide on sulfuric acid silica gel as the ...
Zhang, Geng, Wang, Yulu, Wanga, Hong, Li, Jianping   +3 more
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Semicarbazide and thiosemicarbazide containing butylated hydroxytoluene moiety: new potential antioxidant additives for synthetic lubricating oil. [PDF]

RSC Adv, 2021
Sazeli S, Nath AR, Ahmad MH, Zulkifli NWM, Johan MR, Yehye WA, Voon LH.   +6 more
europepmc   +1 more source

Synthesis and evaluation of some substituted 1,3,4-thiadiazole derivatives

, 1995
5-[p-(acetylamino)phenyl]-2-substitutedamino-1,3,4-thiadiazole derivatives were prepared by the cyclisation reaction of sulphuric acid on 1-[p-(aminoacetyl)phenyl]-4-alkyl/arylthiosemicarbazides.

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Synthesis of new type azo compounds by 4-hydroxy-2,2,6,6-tertramethyl-1-piperidinyloxyl as the phase transfer dehydrogenation catalyst

, 2000
542-544Use of 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxyl as the phase transfer dehydrogenation catalyst to prepare azo compounds is reported for the first time.
Wang, Cailan, Wang, Yulu, Wang, Hong, Zhang, Zhiyi, Li, Jianping, Wang, Xiaoyang   +5 more
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Synthesis, characterization, and in vitro antimicrobial activities of 5-alkenyl/hydroxyalkenyl-2-phenylamine-1,3,4-oxadiazoles and thiadiazoles

, 2010
The long-chain alkenoic acid hydrazides ( 1a– d) on reaction with phenylisocyanate and phenylthiocyanate gave their corresponding semicarbazides ( 2a– d) and thiosemicarbazides ( 4a– d), which on further refluxing with POCl 3 and Ac 2O yielded ...
Rauf, Abdul, Ahmad, Anis, Farshori, Nida N, Khan, Asad U, Banday, Mudasir R, Anis Ahmad, Asad U. Khan, Nida N. Farshori, Mudasir R. Banday, Abdul Rauf   +9 more
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Thiocarbamate-Based Synthesis of 2,4,5,6-Tetrahydro-3H-1,2,4-Triazepine-3-Thiones

, 2017
A five-step synthesis of 5,7-diaryl-substituted 2,4,5,6-tetrahydro-3H-1,2,4-triazepine-3-thiones starting from ethyl thiocarbamate was developed. The synthesis included a three-component condensation of ethyl thiocarbamate with aromatic aldehydes and p ...
Maxim O. Zimin, Anatoly D. Shutalev, Ludmila A. Trafimova   +2 more
core   +1 more source

Pathway complexity in fibre assembly: from liquid crystals to hyper-helical gelmorphs. [PDF]

Chem Sci, 2023
Contreras-Montoya R, Smith JP, Boothroyd SC, Aguilar JA, Mirzamani M, Screen MA, Yufit DS, Robertson M, He L, Qian S, Kumari H, Steed JW.   +11 more
europepmc   +1 more source