Tributylphosphine → Ethyl 5-[4-(methylsulfonyl)phenoxy]-7-(tetrahydro-2H-pyran-4-ylmethoxy)-1H-indole-2-carboxylate

Reaction equation

[OH:1][C:2]1[CH:3]=[C:4]([O:16][C:17]2[CH:22]=[CH:21][C:20]([S:23]([CH3:26])(=[O:25])=[O:24])=[CH:19][CH:18]=2)[CH:5]=[C:6]2[C:10]=1[NH:9][C:8]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:7]2.[O:27]1[CH2:32][CH2:31][CH:30]([CH2:33]O)[CH2:29][CH2:28]1.N(C(N1CCCCC1)=O)=NC(N1CCCCC1)=O.C(P(CCCC)CCCC)CCC>O1CCCC1>[CH3:26][S:23]([C:20]1[CH:21]=[CH:22][C:17]([O:16][C:4]2[CH:5]=[C:6]3[C:10](=[C:2]([O:1][CH2:33][CH:30]4[CH2:31][CH2:32][O:27][CH2:28][CH2:29]4)[CH:3]=2)[NH:9][C:8]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:7]3)=[CH:18][CH:19]=1)(=[O:25])=[O:24]