Dimerization of isoprene with aqueous sulfuric acid

✍ Scribed by T. Aikawa; H. Izutani; I. Shiihara; H. Sano

• Publisher: Elsevier Science
• Year: 1965
• Tongue: French
• Weight: 252 KB
• Volume: 6
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)71687-x

✦ Synopsis

Contrary

to the literature that isoprene was dimerieed to the mixture of dipentene and sn aliphatic dimer in the presence of sulfuric acid (l), we can now report that the major products in this reaction are unsaturated and saturated cyclic ethers.

In our experiments, isoprene was stirred at 20 or 30°C in contact with 40-30 % sulfuric acid (acid to isoprene