Reaktion #72301

ord-18c4d111fd634c16a18990f910a54d0d

Reaktionsgleichung

COc1ccccc1B(O)O
2-methoxyphenylboronic acid
CNC(=O)c1c(-c2ccccc2)nn2cc(I)ccc12
6-iodo-N-methyl-2-phenylpyrazolo[1,5-a]pyridine-3-carboxamide
O=C([O-])[O-].[Na+].[Na+]
sodium carbonate
CNC(=O)c1c(-c2ccccc2)nn2cc(-c3ccccc3OC)ccc12
title compound
Ausbeute 39.9%
CNC(=O)c1c(-c2ccccc2)nn2cc(-c3ccccc3OC)ccc12
6-(2-Methoxyphenyl)-N-methyl-2-phenylpyrazolo[1,5-a]pyridine-3-carboxamide
Ausbeute 39.9%

Lösungsmittel

Reaktionsbedingungen

Temperatur
150°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeTo a microwave vial equipped with a magnetic stir bar

Vorschrift

To a microwave vial equipped with a magnetic stir bar was charged 2-methoxyphenylboronic acid (12.09 mg, 0.080 mmol), 6-iodo-N-methyl-2-phenylpyrazolo[1,5-a]pyridine-3-carboxamide (15 mg, 0.040 mmol), sodium carbonate (7.38 mg, 0.070 mmol), palladium(II) acetate (0.893 mg, 3.98 mmol) and dimethylforamide (1.0 mL). This mixture was placed under an argon atmosphere and heated at 150° C. for 10 minutes. The title compound (5.7 mg, 36%) was isolated by reverse phase HPLC: Start % B=30 to Final % B=80, Gradient time=10 minutes, Flow Rate=35 mL/minute, Wavelength=220 nm, Solvent A=10% methanol, 90% water with 0.1% TFA; Solvent B=90% methanol, 10% water with 0.1% TFA, Column=Phenomenex-Luna 30×50 mm S10, Product peak at 7.6 minutes. 1H NMR (500 MHz, CHLOROFORM-D) δ ppm 2.85 (d, J=4.88 Hz, 3H) 3.86 (s, 3H) 7.03 (d, J=7.93 Hz, 1H) 7.08 (t, J=7.02 Hz, 1H) 7.39 (m, 2H) 7.54 (m, 3H) 7.63 (dd, J=9.16, 1.53 Hz, 1H) 7.69 (m, 1H) 8.36 (dd, J=9.16, 0.61 Hz, 1H) 8.76 (m, 1 H). LCMS: 2.0 minutes, M+1=358.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08536338B2uspto-grants-2013_09