80645-44-9Relevant articles and documents
ACYLOXYALKYLIDENEPHOSPHORANES-II; ETUDE DES Ω-ACYLOXY N-BUTYLIDENETRIPHENYLPHOSPHORANES. NOUVELLE VOIE D'ACCES AUX DIHYDRO-3,4 2H-PYRANNES
Hercouet, A.,Corre Le, M.
, p. 2861 - 2866 (2007/10/02)
ω-Acyloxy n-butylidenetriphenylphosphoranes give α-acyl n-butylidenetriphenylphosphoranes by intermolecular condensation in t-BuOH, and 3,4-dihydro-(2H)-pyrans by intramolecular condensation in toluene.The α-acyl n-butylidene phosphoranes, which are the t