24 ml. of concd. hydrochloric acid. The layers were sepa- rated with the aid of 30 ml. of ether and the ether layer was dried and disotilled to give 1.5 g. (21%) of octanone-4, bp 160-170 . Under similar conditions butyroin is con- verted to octanone-4 in 4870 yield. CHEMISTRY DEPARTMENT IOWA CITY, IOWA STATE UNIVERSITY OF IOWA RECEIVED NOVEMBER 25, 1950 ... Some Cyclic Acetals of Glyoxal BY MM SPRUNG AND F. 0. GUENTHER This paper describes ...
![4,4,4',4',5,5,5',5'-Octamethyl-2,2'-bi[1,3-dioxolane] Structure](https://image.chemsrc.com/caspic/394/35528-76-8.png)