... Dipropenyl ether saturated at -30" with dry hydrogen chloride was re- converted into a,='-dichlorodipropyl ether (bp 46-47"/10 mm, n;O 1.4345) in 80% yield. ** Added in proot: Page 4. 36 L. Brandsma and JF Arens, Di(pent-1-enyl) ether (111, R = n.C3H7); bp 67-70'19 mm, n: 1.4460; yield 50% (based on 11). Found Calc. ... Page 5. Chemistvy of acetylenic ethers. L V. 81 (1962) RECUEIL 37 ether 3, but a 20% excess of paraldehyde was used. ...