abstract |
Processes for preparing 5,5-dimethyl-3-methylenepyrrolidin-2-one, (S)-3,5,5-trimethylpyrrolidine-2-one, (R)-3,5,5-trimethylpyrrolidine-2-one, (S)-2,4,4-trimethylpyrrolidine, and (R)-2,4,4-trimethylpyrrolidine, and their salt forms are disclosed. |