Ara
Toplam kayıt 59, listelenen: 11-20
Ecofriendly solventless synthesis and reduction reaction of some triazole compounds and evaluation of their antimicrobial activity
(Taylor & Francis Inc, 2013)
A number of triazole-3-one compounds have been synthesized, and reduction of the carbonyl group in the molecule has been carried out to give a corresponding hydroxyl group that possesses asymmetric carbon atom in good ...
Synthesis of new perimidine derivatives from the reaction of 1,8-diaminonapthalene with iminoester hydrochlorides
(Science Reviews 2000 Ltd, 2013)
An alternative procedure is described for the synthesis of 2-substituted perimidines involving the reaction of 1,8-diaminonapthalene with iminoester hydrochlorides of substituted phenylacetic acids under microwave irradiation. ...
Microwave-assisted synthesis of some 1H-1,2,4-triazol-3-one derivatives
(Bureau Scientific Publ, 2013)
4-Amino-5-(methyl/ethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one were synthesized from the reaction of (methyl/ethyl)-ester ethoxycarbonyl hydrazone with hydrazine hydrate and then, converted to corresponding Schiff bases using ...
Microwave-assisted synthesis of some 5(6)-nitro-1h-benzimidazoles and their hydrazide derivatives
(Chem Soc Ethiopia, 2013)
A series of 5(6)-nitro-1H-benzimidazole and their hydrazide derivatives were synthesized starting from iminoester hydrochloride and 4-nitro-o-phenylenediamine under microwave irradiation. the structure of all synthesized ...
Rapid synthesis and lipase inhibition activity of some new benzimidazole and perimidine derivatives
(Maik Nauka/Interperiodica/Springer, 2014)
This study presents a synthesis of new series of some benzimidazole, bisbenzimidazole and perimidine derivatives via microwave technique, which, leads to the good product yields and short reaction times. the structure of ...
Microwave-assisted synthesis of some 2-substituted quinazolin-4(3h)-one derivatives from imıioester hydrochlorides
(Editura Acad Romane, 2014)
Herein, a method that involves a reaction of iminoester hydrochloride with methyl anthranilate via microwave assisted synthesis is reported. This efficient procedure provides pure products within few minutes. This method ...
Microwave-assisted synthesis of some novel benzimidazole derivatives containing imine function and evaluation of their antimicrobial activity
(Wiley, 2014)
4-Bromo-o-phenylenediamine and ethylimido-p-bromophenylacetate, 1, were subjected to microwave irradiation to synthesize benzimidazole derivative, compound 2. Ester derivative, 3, and hydrazide derivative, 4, of compound ...
Synthesis of some novel 1,2,4-triazol-3-one derivatives bearing the salicyl moiety and their anticonvulsant activities
(Wiley-V C H Verlag Gmbh, 2014)
A series of new 1,2,4-triazole-3-one derivatives bearing the salicyl moiety were synthesized by using microwave irradiation, and their chemical structures were identified by IR, H-1 NMR, C-13 NMR, elemental analysis, and ...
Synthesis of unsymmetrical 3,5-disubstituted 1,2,4-triazole derivatives with their pKa values
(Chiminform Data S A, 2014)
Acylhydrazones (2a-b) were synthesized by the condensation of iminoester hydrochlorides (1a-b) with benzhydrazide. the treatment of acylhydrazones With hydrazine hydrate afforded 4-amino-4H-1,2,4-triazoles. (3a-b). ...
Microwave-assisted synthesis of some new benzimidazole derivatives with their antimicrobial activity
(Bentham Science Publ Ltd, 2015)
2-(2-Chlorobenzyl)-1H-benzimidazole (2) was prepared from the reaction of o-phenylenediamine and ethylimido-o-chlorophenylacetate hydrochloride (1) under microwave irradiation. the acetate and hydrazide derivatives of 2(2- ...