-
Article
Biologically Active Ammonium Isatin-3-acylhydrazones Bearing Long-Chain Alkyl Substituent of Various Structures
New ammonium hydrazones have been synthesized by the reaction of Girard’s reagents T and P with isatin derivatives that contain various alkyl or geranyl substituents in position 1. A pronounced anti-anthropo- ...
-
Article
Unusual Reduction of Benzofuroxans to Benzofurazans with the Participation of the Terminal Amino Group
The possibility of spontaneous reduction of benzofuroxans to benzofurazans in course of time due to reactions with diamines was shown for the first time. A possible mechanism of the reaction of 4,6-dichloro-5-...
-
Article
Synthesis of New Symmetrical Diamidophosphates Based on meta-Phenylenediamine under Microwave Irradiation
A new series of diphosphorylated amidophosphates was obtained as a result of the reaction of meta-phenylenediamine with dialkyl phosphites in the presence of CCl4 and triethylamine (Atherton–Todd reaction) under ...
-
Article
Synthesis and Structure of Hybrid Compounds Based on Phosphoryl Acetic Acid Hydrazide, Isatin, and Sterically Hindered Phenols
In order to obtain novel biologically active substances with various types of activity, hybrid compounds based on 2-(diphenylphosphoryl)acetohydrazide, isatin, and sterically hindered phenols are synthesized. ...
-
Article
Unusual Reaction of 6,8-Dichloro-3,3-dimethyl-7-nitro-3H-2,1,4-benzoxadiazine 4-Oxide with 4-Aminomorpholine
Reaction of 6,8-dichloro-3,3-dimethyl-7-nitro-3H-2,1,4-benzoxadiazine 4-oxide with 4-aminomorpholine occurred through the benzoxadiazine ring opening to form 1,2-bis(2-amino-3,5-dichloro-4-nitrophenyl)-diazene ox...
-
Article
Synthesis of new 2H-benzimidazole 1,3-dioxide derivatives analogous to separase inhibitor (Sepin-1)
New biologically active 2H-benzimidazole 1,3-dioxide derivatives, analogs of Sepin-1, have been synthesized starting from benzofuroxan. Electrophilic substitution of hydrogen in the 2H-benzimidazole ring occurs a...
-
Article
Photochromism of 3H-2,1,4-benzoxadiazine 4-oxides with heterocyclic substituents on the benzene ring
2H-Benzimidazole 1,3-dioxides undergo thermal isomerization to 3H-2,1,4-benzoxadiazine 4-oxides which are converted to 2H-benzimidazole 1-oxides on further heating. Irradiation of 3H-2,1,4-benzoxadiazine 4-oxides...
-
Article
Synthesis of new 3H-benzo[1,2,5]oxadiazine-4-oxides with heterocyclic moieties in the benzene ring
-
Article
Synthesis of the first tertiary ammonium derivative of 6-chloro-5-nitrobenzofuroxan
-
Article
Synthesis and biological activity of new hybrids compounds derived from benzofuroxanes and polyene antibiotics
Hybrid compounds based on 4,6-dichloro-5-nitrobenzofuroxan, 7-chloro-4,6-dinitrobenzofuroxan, 5,7-dichloro-4,6-dinitrobenzofuroxan, and polyene antibiotics (amphotericin B and nystatin) have been prepared for ...
