5-Fluorocyclopentadiene: synthesis and utility

1 January 1992

journal article
research article
Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1

No. 15,p. 1891-1895
https://doi.org/10.1039/p19920001891

Abstract

5-Fluorocyclopentadiene 2 has been prepared by the reaction of cyclopentadienylthallium and the F⁺ source, 1-chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate). In their reactions with compound 2, dieneophiles form adducts having exclusively syn orientation.

Keywords

FLUOROCYCLOPENTADIENE
DIENEOPHILES
OCTANE
SYN
BIS
TETRAFLUOROBORATE
ADDUCTS
CYCLOPENTADIENYLTHALLIUM
ORIENTATION
CHLOROMETHYL