Triphenylphosphine → (3-(7-bromo-2-(ethoxycarbonyl)-1H-indol-3-yl)propyl)triphenylphosphonium iodide
Reaction equation
[Br:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:10]=1[NH:9][C:8]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[C:7]2[CH2:16][CH2:17][CH2:18][I:19].[C:20]1([P:26]([C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)[C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1>CC#N>[I-:19].[Br:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:10]=1[NH:9][C:8]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[C:7]2[CH2:16][CH2:17][CH2:18][P+:26]([C:27]1[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=1)([C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1)[C:20]1[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=1Participants
4
Procedure
To a mixture of EXAMPLE 111A (0.136 g) in CH3CN (5 mL) was added triphenylphosphine (157 mg). The mixture was refluxed for 48 hours, cooled to room temperature, washed with hexanes and concentrated.