反应详情

This compound was prepared in a manner similar to that described for 1,2,3,4-tetrahydro-2,2-dimethylquinoline (structure 18 of Scheme III, where R1 =R2 =Me) from 2,2-diethyl-1,2-dihydroquinoline (1.46 g, 7.80 mmol) and 10% Pd/C (146 mg, 10% by weight) in EtOAc (18.7 mL) to afford 1.04 g (70%) 2,2-diethyl-1,2,3,4-tetrahydroquinoline after flash chromatography (hexanes:EtOAc, 97:3). Data for 2,2-diethyl-1,2,3,4-tetrahydroquinoline: Rf 0.43 (24:1 hexanes:ethyl acetate); 1H NMR (400 MHz, CDCl3) 6.90-7.00 (m, 2H), 6.57 (td, J=7.3, 1.0, 1H), 6.46 (dd, J=8.4, 1.0, 1H), 3.63 (broad s, 1H), 2.72 (t, J=6.7, 2H), 1.69 (t, J=6.7,2H), 1.38-1.53 (m, 4H), 0.86 (t, J=7.4,6H).

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