abstract |
LACTAMS ARE PRODUCED BY HEATING A COMPOUND OF FORMULA, 3,3-(-X-),5,5-(-X''-)-1,2,4-DIOXAZOLIDINE WHERE X AND X'' ARE DIVALENT ALIPHATIC RADICALS WHICH MAY BE THE SAME OR DIFFERENT, IN SOLUTION IN A NON-HYDROCARBON ORGANIC SOLVENT CONTAINING A SALT OF AN ELEMENT OF GROUP I OR II. |