Pyrylium salts from diacetylation of olefins: Selectivity in AcCl/AlCl3 medium.

作者: M. Arnaud , C. Roussel , J. Metzger

DOI: 10.1016/S0040-4039(01)86220-1

关键词: Organic chemistryLewis acids and basesChemistrySelectivity

摘要: Abstract it is shown that the selectivity of reaction diacetylation olefins governed by ratio AcCl/AlCl 3 and not sole strength Lewis acid as previously postulated.

参考文章(7)
A.T. Balaban, Pyrylium salts formed by diacylation of alkenes. Tetrahedron Letters. ,vol. 4, pp. 91- 94 ,(1963) , 10.1016/S0040-4039(01)90584-2
S V Krivun, O F Alferova, S V Sayapina, The Reactions of Certain Aromatic Cations Russian Chemical Reviews. ,vol. 43, pp. 835- 850 ,(1974) , 10.1070/RC1974V043N10ABEH001866
P. F. G. Praill, A. L. Whitear, 700. Pyrylium salts and related compounds. Part I. The reaction between olefins and acylium perchlorates Journal of the Chemical Society (Resumed). pp. 3573- 3579 ,(1961) , 10.1039/JR9610003573
DP Kelly, HC Brown, A convenient procedure for the quantitative generation of carbocations in super acid media Australian Journal of Chemistry. ,vol. 29, pp. 957- 965 ,(1976) , 10.1071/CH9760957
D. M. Brouwer, H. Hogeveen, Electrophilic Substitutions at Alkanes and in Alkylcarbonium Ions John Wiley & Sons, Inc.. pp. 179- 240 ,(2007) , 10.1002/9780470171882.CH4