N, 12.0. Found: N, 12.0. 3-Ethyl-5, 5-dimethyloxazolidine-2, 4-dione.-Twent y grams of 5, 5- dimethyloxazolidine-2, 4-dione was dissolved in 50 cc. of water, neutralized with 6.7 g. of sodium hydroxide and treated with 26 g. of silver nitrate in a mini-mum of water.. The precipitated silver salt was washed and vacuum dried at 50'; yield, 32 g. I t was suspended in 200 cc. of dry ether, and 20 g. of ethyl iodide was added. The mixture was left for three ...
