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Chemical Structure| 1610370-40-5 Chemical Structure| 1610370-40-5

Structure of 1610370-40-5

Chemical Structure| 1610370-40-5

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Product Details of [ 1610370-40-5 ]

CAS No. :1610370-40-5
Formula : C15H13FO2
M.W : 244.26
SMILES Code : O=CC1=CC=C(C=C1C)C2=CC(OC)=CC=C2F
MDL No. :MFCD31725127

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Application In Synthesis of [ 1610370-40-5 ]

* 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.

  • Downstream synthetic route of [ 1610370-40-5 ]

[ 1610370-40-5 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 24078-12-4 ]
  • 2-fluoro-5-methoxyphenylboronic acid [ No CAS ]
  • [ 1610370-40-5 ]
YieldReaction ConditionsOperation in experiment
88% With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In tetrahydrofuran; water; at 85℃; for 4h;Inert atmosphere; 1E (6.70 g, 33.7 mmol) and 2-fluoro-5-methoxyphenylboronic acid (6.29 g, 37.0 mmol) were combined in THF (100 mL) and a 2 M aq. solution of K2C03 (50 mL, 100 mmol) was added. The reaction mixture was purged with argon for 5 min and then Pd(Ph3P)4 (1.556 g, 1.346 mmol) was added. The reaction mixture was refluxed at 85 C for 4 h. The reaction mixture was cooled to rt, the layers were separated, and the aqueous layer was extracted with EtOAc (3 x 30 mL). The combined organic layers were washed with water and brine, dried (MgS04), filtered, and concentrated. The crude product was purified by silica chromatography to provide 2'-fluoro-5'-methoxy-3-methylbiphenyl-4-carbaldehyde (8.00 g, 29.5 mmol, 88% yield) as a yellow oil. To a solution of 2'-fluoro-5'-methoxy-3- methylbiphenyl-4-carbaldehyde (2.00 g, 8.19 mmol) in 1,4-dioxane (40 mL) was added 4-methylbenzenesulfonohydrazide (1.53 g, 8.19 mmol) and the resulting solution was heated at 80 C for 90 min with a reflux condenser. Then, 4-iodophenylboronic acid (3.04 g, 12.3 mmol) and K2CO3 (1.70 g, 12.3 mmol) were added. The reaction mixture was refiuxed at 110 C for 2 h. The reaction mixture was diluted with EtOAc and water. The aqueous layer was further extracted with EtOAc (2 x 50 mL) and the combined extracts was washed with water and brine, dried over MgSC^, filtered, and concentrated. The crude product was purified via silica chromatography to afford IF (1.90 g, 4.40 mmol, 54% yield) as a colorless oil. 1H NMR (400 MHz, CDC13) delta 7.58 - 7.65 (2 H, m), 7.31 - 7.39 (2 H, m), 7.15 (1 H, d, J=7.5 Hz), 7.02 - 7.10 (1 H, m), 6.90 - 6.97 (3 H, m), 6.82 (1 H, dt, J=9.0, 3.4 Hz), 3.97 (2 H, s), 3.83 (3 H, s), 2.29 (3 H, s).
83% With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In tetrahydrofuran; water; at 66℃; for 3h;Inert atmosphere; [00282] 28C. 2'-fluoro-5'-methoxy-3-methyl-[l, l'-biphenyl]-4-carbaldehyde: To a solution of 28B (18 g, 86 mmol) in THF (250 mL) was added (2-fluoro-5- methoxyphenyl)boronic acid (15 g, 90 mmol) and a 2 M aq. solution of K2CO3 (193 mL, 387 mmol). The reaction mixture was purged with nitrogen for 5 min and then Pd(Ph3P)4 (3.57 g, 3.09 mmol) was added. The reaction mixture was heated at 66 C for 3 h and then cooled to rt. The layers were separated. The aqueous layer was extracted with EtOAc (800 mL). The organic layers were combined and washed with brine, sat. aq. aH2P04, and brine, dried ( a2S04), and concentrated to an oil containing an orange precipitate. The material was diluted with EtOAc and the precipitate was filtered and washed with EtOAc. The filtrate was concentrated to give the crude product, which was purified by flash chromatography to afford 28C (17 g, 71 mmol, 83% yield) as a yellow oil. LC-MS Anal.Calc'd for C15H13F02 244.26, found [M+H] 245.0. lR NMR (400 MHz, CDCI3) delta 10.3 (s, 1H), 7.87 (d, J= 8 Hz, 1H), 7.54 (d, J= 8 Hz, 1H), 7.44 (s, 1H), 7.10 (dd, J= 9.6, 8.8 Hz, 1H), 6.95 (dd, J= 6.4, 3.2 Hz, 1H), 6.88 (dt, J= 8.8, 3.4, 1H), 3.84 (s, 3H), 2.73 (s, 3H). 13C NMR (101 MHz, CDC13) delta 192.1, 155.7, 154.0 (, ^_rho= 240.1 Hz), 140.9, 140.5, 133.1, 132.1, 132.1, 132.0, 128.1 (d, Jc_F = 14.8 Hz), 126.8, 126.7, 116.7 (d, JC_F = 24.5 Hz), 1 15.2 (d, JC_F= 2.2 Hz), 1 14.6 (d, JC_F = 8 Hz), 55.7, 19.5.
 

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