Methylvinylfulvene

Abstract

Abstract 6‐ [l‐propenyl]‐fulvene (11), 6‐isopropenyl‐fulvene (111) and 6‐methyl‐vinyl‐ fulvene (IV) have been prepared by condensation of cyclopentadiene with trans ‐ crotonaldehyde, methacrolein and methyl vinyl ketone, using sodium ethylate as base. The UV.‐, 1R.‐ and NMR.‐spectra have been investigated.