反应详情

Using Method C above, 1-pentyn-3-ol (52.6 mg, 0.63 mmol) (Aldrich) was coupled with (Z)-1,3-dihydro-4-iodo-3-[(4-methyl-1H-imidazol-5-yl)methylene]-5-nitro-2H-indol-2-one (100 mg, 0.25 mmol) (Starting Material 4 supra) using (Ph3P)2PdCl2 (17.5 mg) and Cul (4.8 mg) as catalyst in DMF (3 mL) and Et3N (3 mL) as solvent at 80° C. for 6 h to give rac-(Z)-1,3-dihydro-4-(3-hydroxy-1-pentynyl)-3-[(4-methyl-1H-imidazol-5-yl)methylene]-5-nitro-2H-indol-2-one. (Yield 12 mg, 14%).