| 摘要 |
1503772 Monoacyloxyalkylene carbonate SNAMPROGETTI SpA 15 May 1975 [17 May 1974] 20709/75 Heading C2C A monoacyloxyalkylene carbonate of formula where R is a hydrocarbyl radical, and R 1 and R 2 , the same or different, are hydrocarbyl radicals or hydrogen, e.g. monoacetoxyethylene carbonate, is prepared by reacting where Y is halogen, with an alkali or alkaline earth metal salt of an acid R.COOH in the presence of the acid. |
