N1([C:6]2[CH2:10][CH2:9][CH2:8][CH:7]=2)CCCC1.[Br:11][C:12]1[CH:19]=[CH:18][CH:17]=[CH:16][C:13]=1[CH2:14]Br.[O:20]1CCOCC1>>[Br:11][C:12]1[CH:19]=[CH:18][CH:17]=[CH:16][C:13]=1[CH2:14][CH:6]1[CH2:7][CH2:8][CH2:9][C:10]1=[O:20]In a manner similar to that described in Example 82, 1-pyrrolidino-1-cyclopentene (15.1 g, 0.11 mole) in dioxane (100 ml) was treated with 2-bromobenzyl bromide (30.0 g, 0.12 mol) to give the title compound as a clear oil (12.5 g, 45%).
Wird geladen…