6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione → 1-(2,3-dihydro-1H-inden-5-yl)-2-oxopyrrolidine-3-carboxylic acid
Reaction equation
CC1(C)[O:9][C:8](=[O:10])[C:5]2([CH2:7][CH2:6]2)[C:4](=[O:11])O1.[CH2:13]1[C:21]2[C:16](=[CH:17][C:18]([NH2:22])=[CH:19][CH:20]=2)[CH2:15][CH2:14]1>C(O)C>[CH2:13]1[C:21]2[C:16](=[CH:17][C:18]([N:22]3[CH2:6][CH2:7][CH:5]([C:8]([OH:9])=[O:10])[C:4]3=[O:11])=[CH:19][CH:20]=2)[CH2:15][CH2:14]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
This compound was prepared according to general method 1 starting from 6,6-dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione (0.250 g; 1.45 mmol) and 2,3-dihydro-1H-inden-5-amine (0.593 g; 4.36 mmol) in ethanol (3 mL). 1-(2,3-dihydro-1H-inden-5-yl)-2-oxopyrrolidine-3-carboxylic acid 0.255 g (71%) was obtained as a white solid.