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CAS No. : | 100986-85-4 | MDL No. : | |
Formula : | C18H20FN3O4 | Boiling Point : | - |
Linear Structure Formula : | HOOCNC9H2(CH(CH3)CH2O)OFN(CH2CH2)2NCH3 | InChI Key : | GSDSWSVVBLHKDQ-JTQLQIEISA-N |
M.W : | 361.37 | Pubchem ID : | 149096 |
Synonyms : |
(-)-Ofloxacin;MP-376;Levofloxacin, Levaquin, Tavanic, Iquix, Quixin;Fluoroquinolone
|
Chemical Name : | (S)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid |
Signal Word: | Danger | Class: | N/A |
Precautionary Statements: | P261-P264-P270-P280-P301+P312-P302+P352 | UN#: | N/A |
Hazard Statements: | H302-H317-H334 | Packing Group: | N/A |
GHS Pictogram: |
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* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
54.2% | With sodium methylate; In methanol; for 3h;pH Ca. 6.8;Reflux; | General procedure: Methanolic solution of CuCl2 2H2O (1.5 mmol) was added to a methanolic solution of 3-(diphenylphosphino)-propionic acid (L) (1.5 mmol) followed by the addition of a previously prepared methanolic solution of sparfloxacin (SFLH) (1.5 mmol) in presence of CH3ONa (1.5 mmol). The pH of the reaction mixture was adjusted to ~6.8. The resulting solution was refluxed for 3 h on a water bath, followed by concentrating to half of its volume. A fine, green amorphous product obtained was washed with ether/hexane/chloroform and dried in vacuum desiccators. The proposed reaction for the synthesis of complexes is shown in scheme 1 . |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64.26% | In methanol; for 10h;pH Ca. 6.8;Reflux; | General procedure: To a hot solution of VOSO4 (2) (5 mmol) in MeOH(25.0 mL), previously prepared methanolic solution ofligand 3-(diphenylphosphino)-propionic acid (1) (5 mmol)was added, with constant stirring. Then, alkaline methanolicsolution of ciprofloxacin (5 mmol) was added. The pH of thereaction mixture was adjusted to*6.8. The resulting greensolution was refluxed for 10 h and concentrated under vacuum.Upon addition of Et2O, a green solid precipitate wasobtained, which was collected by filtration, washed withEt2O and dried in vacuo (Gajera et al., 2015). General synthesisof complexes is shown in Scheme 1. Yield: 62.61 %.M.P:[300. Anal. Calcd (%). for C32H33FN3O6PV: C, 58.54;H, 5.07; N, 6.40; V, 7.76. Found (%): C, 58.24; H, 4.76; N,6.89; V, 7.26. UV-VIS in DMSO [kmax/nm (e/M-1 cm-1)]:421 (23,729), 584 (17,100), 807 (12,391). FT-IR: tmax(cm-1) m(C=O)pyridone 1628, m(CO2)asym 1586, m(CO2)-sym 1384, m = m(CO2)asym-m(CO2)sym = 202, m(V=O)952, m(M-O) 513 cm-1. ESI-MS (m/z):654.62 [M?]. |
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