Citric Acid → (RS)-3-allyl-4-oxo-2-cyclopenten-1-yl (t-butyldimethylsilyl) ether

Reaction equation

[C:16]([CH3:17])([CH3:18])([CH3:19])[Si:20]([CH3:21])([CH3:22])[Cl:23].[CH2:1]([CH:2]=[CH2:3])[C:4]1=[CH:5][CH:6]([OH:10])[CH2:7][C:8]1=[O:9].[CH3:37][N:38]([CH3:39])[CH:40]=[O:41].[OH:24][C:25]([CH2:26][C:27]([C:28](=[O:29])[OH:30])([CH2:31][C:32](=[O:33])[OH:34])[OH:35])=[O:36].[nH:11]1[cH:12][cH:13][n:14][cH:15]1>>[CH2:1]([CH:2]=[CH2:3])[C:4]1=[CH:5][CH:6]([O:10][Si:20]([C:16]([CH3:17])([CH3:18])[CH3:19])([CH3:21])[CH3:22])[CH2:7][C:8]1=[O:9]