72081-04-0Relevant articles and documents
ETUDE DE L'ACTION DES ALKYLMAGNESIENS PRIMAIRES ET ARYLMAGNESIENS SUR LES ANHYDRIDES TRICYCLIQUES PONTES
Canonne, P.,Akssira, M.,Fytas, G.
, p. 1809 - 1816 (2007/10/02)
The reaction of primary alkyl and aromatic Grignard reagents with bridged tricyclic dicarboxylic anhydrides gives the corresponding dialkylated tricyclic lactones via di-addition process.The lactones were transformed by retro-Diels-Alder reaction into 4,4-dialkylated butenolides.
A FACILE AND GENERAL ROUTE TO 4-SUBSTITUTED-2 BUTENOLIDES
Canonne, Persephone,Akssira, Mohamed,Lemay, Gilles
, p. 2611 - 2614 (2007/10/02)
Grignar reagents react with 7-oxabicyclohept-5-ene-2,3-dicarboxylic anhydride and produce in high yields the corresponding substituted bicyclo-γ-butanolides.These lactones produce the title compounds by retro Diels-Alder reaction during distillation.