Structure of 75676-72-1
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CAS No. : | 75676-72-1 |
Formula : | C7H6ClIO |
M.W : | 268.48 |
SMILES Code : | COC1=CC=C(I)C=C1Cl |
MDL No. : | MFCD15527196 |
Boiling Point : | No data available |
InChI Key : | XJMLPDPXMJKTCH-UHFFFAOYSA-N |
Pubchem ID : | 11184750 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
* 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 |
---|---|---|
95%Chromat. | With iodine; nitrosonium tetrafluoroborate; In acetonitrile; at 30℃; for 5h;Sealed tube; | 0.5 mmol of 2-chloroanisole, 0.25 mmol of I2, 1.5 mL of acetonitrile solution of nitrosonium tetrafluoroborate (1.5 mL of solution containing 0.1 mmol of nitrosonium tetrafluoroborate) was added to the reaction tube of about 45 mL, and the reaction mixture was sealed Tube at a controlled temperature of 30 C and reacted under magnetic stirring for 5 hours, followed by cooling the reaction system to room temperature. The reaction mixture was purified by column chromatography to give 3-chloro-4-methoxyiodobenzene with a GC internal standard yield of 95%. The structure of the product was determined using 1H-NMR and 13C-NMR, see Figure 9-10. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine;bis-triphenylphosphine-palladium(II) chloride; In N,N-dimethyl-formamide; at 20 - 80℃; for 12h; | To a stirring mixture of 3-chloro-4-methoxyiodobenzene (0.3 g, 1.1 mmol),(PPh3)2PdCl2 (31 mg, 0.044 mmol), triethylamine (1.2 mL, 8.9 mmol) in dimethylformamide (3 mL) was added to phenylethynylcarbinol (O.29 g, 2.2 mmol) at temperature in the range of 20-400C under nitrogen atmosphere. The mixture was then stirred at 8O0C for 12 hours. After cooling the mixture to temperature in the range of20-400C it was diluted with water (15 mL) and extracted with ethyl acetate (3 x 25 mL). The organic layers were collected, combined, washed with, water (2 x 5 mL), dried over anhydrous sodium sulphate, and concentrated to give the desired compound.1H NMR (200 MHz, DMSO-J15): δ 7.61-7.31 (m, 7H), 6.85 (d, J = 8.7 Hz, IH), 5.66 (d, J= 4.2 Hz, IH), 3.90 (s, 3H). IR (KBr, cm"1): 3377, 2226, 1598. MS: m/z (CI) 272 (M+, 100%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In 1-methyl-pyrrolidin-2-one; | PREPARATION C44 1-(3-Chloro-4-methoxyphenyl)indole Indole (14 g, 0.120 mole), o-chloro-p-iodoanisole (34 g, 0.127 mole), K2 CO3 (18 g, 0.13 mole) and Cu2 Br2 (1.0 g) were heated in 200 ml N-methylpyrrolidone at 200 for 24 hours. Crude product was isolated as an oil (27.8 g) as in the preceding preparation then distilled (11.0 g, b.p. 169-196/0.3 mm) and finally chromatographed on silica gel with 1:1 CH2 Cl2:ethyl acetate as eluant, yielding purified title product as the faster moving component as a viscous oil, 5.23 g; pnmr/CDCl3 /delta/TMS: 3.9 (s), 6.6 (d), 6.8-7.7 (m); m/e 259/257 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | With 2,4,6-tris[(4-dichloroiodo)phenoxy]-1,3,5-triazine; In dichloromethane; at 20℃; for 4h; | General procedure: Reagent 8 (0.5 mmol) was added to a stirred solution of the appropiate activated arene (1 mmol) in CH2Cl2 (3 mL). The reaction mixture was stirred at r.t. for the period of timegiven in Table 1, and progress of reaction was monitored byTLC. When the substrate was consumed, the CH2Cl2 was evaporated under reduced pressure. MeOH was added to the reaction mass, and the white precipitate was isolated by filtration. The residue was washed several times with small aliquote of MeOH and air-dried to recover 2,4,6-tris(4-iodophenoxy)-1,3,5-triazine in 93% yield. The filtrate was concentrated in vacuo to afford the crude product which was purified by column chromatography on silica gel using PE-EtOAc (9:1) as eluent to give the chlorinated product in excellent purity. |
80% | With pyridine; In dichloromethane; at 20℃; for 3h; | To a solution of 4-iodoanisole 9 (0.047 g, 0.2 mmol) and pyridine (0.026 mL, 0.3 mmol)in CH2Cl2 (2 mL) was added PS-DICB 2 (0.223 g, 0.3 mmol) at room temperature, and magnetically stirred until 9 was consumed (monitored by TLC). The reaction mixture was diluted with CH2Cl2 (3 mL), washed with brine (3 mL), saturated aqueous Na2S2O3(3 mL), brine (3 mL) and dried over Na2SO4. Then the resulting mixture was concentrated to about 0.5 mL on a rotary evaporator and Et2O (5 mL) was added to precipitate PS-IB, which was filtered, washed with Et2O (3 x 1 mL) and collected for reuse. The filtrate was evaporated to give 10(3) as an off-white solid (0.043 g, 80%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | To a solution of 4’-aminoacetophenone 11 (0.027 g, 0.2 mmol) and pyridine (0.026 mL,0.3 mmol) in CH2Cl2 (2 mL) was added PS-DICB 2 (223 mg, 0.3 mmol) at 0 C, andmagnetically stirred at the same temperature until 11 was consumed (monitored by TLC).The reaction mixture was diluted with CH2Cl2 (3 mL), washed with brine (3 mL),saturated aqueous Na2S2O3 (3 mL), brine (3 mL) and dried over Na2SO4. Thenconcentrated to about 0.5 mL on a rotary evaporator and Et2O (5 mL) was added toprecipitate PS-IB, which was filtered, washed with Et2O (3 x 1 mL) and collected for reuse. The filtrate was concentrated to about 2 mL on a rotary evaporator, and HCl in dioxane (4M, 2 mL) was added dropwise and stirred for 1 h at 0 C, the reaction mixture was filtered and the solid was washed with Et2O (3 x 1 mL) and dried in vacuo to give 12 as a white solid (0.035 g, 85%) |
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