Tri-o-tolylphosphine → 1H-Pyrrolo[2,3-b]pyridine-3-carbonitrile, 1-(phenylsulfonyl)-5-(2-thienyl)-

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Reaction Conditions

Reaction Steps

A mixture of 8 (50.0 mg, 0.128 mmol), 2-(tributylstannyl)thiophene (88 μL, 0.276 mmol), dichlorobis(acetonitrile)palladium (II) (4.0 mg, 0.0138 mmol), tri-o-tolylphosphine (8.0 mg, 0.0276 mmol) and toluene (1.0 mL) were heated at 90° C. overnight. The mixture was separated by PTLC using ethyl acetate:hexane (3:7) as eluent to give 11 as a white solid (18.3 mg, 36%); 1H NMR (400 MHz, CDCl3) δ 8.80 (d, J=2.1 Hz, 1H), 8.28 (m, 3H), 8.16 (d, J=2.1 Hz, 1H), 7.68 (tt, J=7.5, 1.2 Hz, 1H), 7.57 (t, J=4.1 Hz, 2H), 7.37 (m, 2H), 7.13 (dd, J=5.1, 3.6 Hz, 1H).

Provenance & Evidence