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Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
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CAS No. : | 766-98-3 | MDL No. : | MFCD00168823 |
Formula : | C8H5F | Boiling Point : | - |
Linear Structure Formula : | F(C6H4)C2H | InChI Key : | QXSWHQGIEKUBAS-UHFFFAOYSA-N |
M.W : | 120.12 | Pubchem ID : | 522627 |
Synonyms : |
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Signal Word: | Danger | Class: | 4.1 |
Precautionary Statements: | P210-P261 | UN#: | 1325 |
Hazard Statements: | H228-H315-H319-H335 | Packing Group: | Ⅱ |
GHS Pictogram: |
* 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 |
---|---|---|
47% | With indium(III) chloride; In toluene;Inert atmosphere; Reflux; | General procedure: Acetal (1.2 mmol), alkyne (1.2 mmol), dibenzylamine (0.192 mL,1.0 mmol), and InCl3 (10 molpercent) were added to a flask (25 mL), followedby the addition of toluene (2.0 mL) under argon. The mixture was stirredunder reflux and monitored by TLC. The solution was then cooled to r.t.,diluted with dichloromethane (5.0 mL), washed with brine. The aqueouslayer was extracted with CH2Cl2 (3 × 10 mL), the combined organic layer was dried over MgSO4, filtered, and evaporated under vacuum. Theresidue was purified by column chromatography on silica gel (petroleumether) to afford the desired product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In N,N-dimethyl-formamide; at 50 - 80℃;Inert atmosphere; | <strong>[1147-23-5]5-<strong>[1147-23-5]iodocytidine</strong></strong> (0.48 g, 2 mol) was added to 100 ml of the reaction tube under nitrogen atmosphere,4-fluorophenylacetylene (0.36 g, 3 mol),Bis triphenylphosphine palladium dichloride (0.03g, 0.1mmol),Cuprous iodide (0.03 g, 0.12 mmol), 35 ml of triethylamine and 15 ml of N, N-dimethylformamide were reacted at 50 to 80 C for 6 to 10 hours.The solvent was removed in vacuo, diluted with 30 ml of methanol, and the insoluble solid was removed by filtration. Silica gel was added and the solvent was removed by rotary evaporation. The solvent was washed with methanol / methylene chloride to give 0.35 g of nucleoside derivative 2 (brownish solid) For 73%. |