p-Toluenesulfonic acid → Ethyl 3-(4-cyclopentylphenyl)but-2-enoate
Reaction equation
O[C:2]([C:10]1[CH:15]=[CH:14][C:13]([CH:16]2[CH2:20][CH2:19][CH2:18][CH2:17]2)=[CH:12][CH:11]=1)([CH3:9])[CH2:3][C:4]([O:6][CH2:7][CH3:8])=[O:5].C1(C)C=CC(S(O)(=O)=O)=CC=1>C1C=CC=CC=1.C([O-])(O)=O.[Na+]>[CH:16]1([C:13]2[CH:12]=[CH:11][C:10]([C:2]([CH3:9])=[CH:3][C:4]([O:6][CH2:7][CH3:8])=[O:5])=[CH:15][CH:14]=2)[CH2:17][CH2:18][CH2:19][CH2:20]1Participants
5
