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CAS No. : | 131088-02-3 | MDL No. : | MFCD18324145 |
Formula : | C7H5ClO3 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | IPOSHVWRFQTHGK-UHFFFAOYSA-N |
M.W : | 172.57 | Pubchem ID : | 14766072 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
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 |
---|---|---|
32% | Intermediate: 5-((4-chloro-5-((2,4-dichloro-3-iodobenzyl)oxy)-2-formylphenoxy)methyl)nicotinonitrile To a dry vial under N2 was added (2,4-dichloro-3-iodophenyl)methanol (150 mg, 0.495 mmol), 5-chloro-2,4-dihydroxybenzaldehyde (85 mg, 0.495 mmol), triphenylphosphine (136 mg, 0.519 mmol) and THF (2.5 mL). The reaction was flushed with argon, treated with DIAD (100 muL, 0.514 mmol), capped and stirred at room temp for 1 h. The reaction was charged with additional PPh3 (27 mg, 0.103 mmol) and DIAD (20 mulit, 0.103 mmol), flushed with argon, capped, and stirred at room temp for 18 h. The reaction was then treated with triphenylphosphine (170 mg, 0.648 mmol), <strong>[135124-71-9]5-(hydroxymethyl)nicotinitrile</strong> (83 mg, 0.619 mmol), TMAD (107.3 mg, 0.617 mmol), THF (4.5 mL). The mixture was flushed with N2, capped and heated at 65 C. in an oil bath for 2 h, followed by room temp for 18 h. The reaction was filtered and the filtrate was evaporated to dryness in vacuo. The residue was applied to the head of a 40 g Teledyne Isco Silica Flash Column, and the column was eluted with a linear gradient from 100% Hexanes to 100% EtOAc over 15 column volumes. The fractions containing the desired product were pooled and evaporated to dryness to give the title compound (91.5 mg, 32%). 1H NMR (500 MHz, CHLOROFORM-d) delta 10.31 (s, 1H), 8.93 (br d, J=6.4 Hz, 2H), 8.10 (s, 1H), 7.97 (s, 1H), 7.62 (d, J=8.4 Hz, 1H), 7.49 (d, J=8.4 Hz, 1H), 6.55 (s, 1H), 5.31 (s, 2H), 5.25 (s, 2H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
5.5 g | 4g 5-chloro-2,4-dihydroxybenzaldehyde and 5g<strong>[76350-90-8]2-methyl-3-phenylbenzyl alcohol</strong>,8.2 g of triphenylphosphine (PPh3)Add to 50 ml of anhydrous tetrahydrofuran,Stir for 15 minutes,8.2 mL of diisopropyl azodicarboxylate (DIAD) was added dropwise in small portions to the reaction solution for 10 hours.Thin layer chromatography (TLC) monitoring,After the reaction was completed, the reaction solution was poured into 100 mL of water.Extracted with ethyl acetate (100 mL × 5), and allowed to stand for separation.The organic phase was treated with 5% sodium hydrogencarbonate (NaHCO3) (80 mL×3),Wash with saturated brine (80 mL × 3), then dry over anhydrous magnesium sulfate.Filter with suction and remove ethyl acetate under reduced pressure.After column chromatography V (petroleum ether): V (ethyl acetate) = 10:15-Chloro-2-hydroxy-4-((2-methyl-[1,1'-biphenyl]-3-yl)methoxy)benzaldehyde 5.5 g was obtained. |