Reaktion #303923

Reaktionsgleichung

sodium carbonate

2-chloro-8-methylquinoline-3-carbaldehyde

o-tolylboronic acid

→

8-methyl-2-o-tolylquinoline-3-carbaldehyde

Lösungsmittel

water

MeCN

Reaktionsbedingungen

Aufarbeitung

1. 1
   SonstigePrepared
2. 2
   SonstigeAfter purification

Vorschrift

Prepared according to Procedure A using 2-chloro-8-methylquinoline-3-carbaldehyde (2.1 g, 10 mmol), o-tolylboronic acid (1.5 g, 1.1 eq), tetrakis(triphenyl-phosphine)palladium (575 mg, 0.05 eq), and sodium carbonate (5.5 g, 5 eq) in MeCN (75 mL) and water (25 mL). After purification, 8-methyl-2-o-tolylquinoline-3-carbaldehyde was obtained as white solid. 1H-NMR (CDCl3) 9.96 (s, 1H), 8.83 (s, 1H), 7.88 (d, J=7.8 Hz, 1H), 7.74 (d, J=6.3 Hz, 1H), 7.55 (t, J=7.8 Hz, 1H), 7.36-7.46 (m, 4H), 2.84 (s, 3H), δ 2.30 (s, 3H). Mass Spectrum (ESI) m/e=262 (M+1).

Quelle