نتایج جستجو برای: 4 dihydroquinoline 3 carbohydrazide
تعداد نتایج: 2481523 فیلتر نتایج به سال:
In the title compound, C(13)H(12)N(2)O(2)S, the dihedral angle between the aromatic rings is 15.20 (11)°. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds generate R(2) (2)(8) loops.
The synthesis and properties of four new fluorescent reagents capable of forming moderately stable links to the 3' oxidized end of RNA are reported. All are hydrazide derivatives: pyrene butyric acid hydrazide, proflavine monosemicarbazide, proflavine monosuccinic acid hydrazide, and anthracene-9-carboxaldehyde carbohydrazone. In addition, procedures are given for coupling the bifunctional reag...
Being guided by the methodological principles of "chiral switches", the synthesis of Sand Renantiomers of 1-allyl-4-hydroxy-6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid (1ethylpyrrolidin-2-ylmethyl)-amide hydrochloride has been carried out. According to the results of the biological research, it has been found that the ability of the optical isomers obtained to block opioid recept...
In the title compound, C(13)H(9)N(3)O(2)·H(2)O, the dihedral angle between the aromatic rings is 10.7 (4)° and an intra-molecular N-H⋯O hydrogen bond occurs. In the crystal, the components are linked by N-H⋯O, O-H⋯N and O-H⋯O hydrogen bonds.
Small-molecule thiols, such as cysteine (CYS) and glutathione (GSH), are essential for maintaining the cellular redox environment and play important roles in regulating various cellular physiological functions. A fluorescence probe (compound 1-Cu2+) for thiols based on coumarin carbohydrazide dinuclear copper complex was developed. Compound 1 was synthesized from the reaction of 7-(diethylamino...
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