作者:VERHE, R.、DE, KIMPE, N.、COURTHEYN, D.、DE, BUYCK, L.、SCHAMP, N.
DOI:——
日期:——
ATTANASI, O.;FILIPPONE, P.;MEI, A., SYNTH. COMMUN., 1983, 13, N 14, 1203-1208
作者:ATTANASI, O.、FILIPPONE, P.、MEI, A.
DOI:——
日期:——
Knoevenagel-Kondensationen mit TiCl<sub>4</sub>/Base - V<sup>1</sup>. 3-Alkyliden- und 3-Aryliden-2,4-pentandione aus Aldehyden und Acetylaceton
作者:W. LEHNERT
DOI:10.1055/s-1974-23400
日期:——
Acid catalyzed ring closure reactions of electrophilic alkenes
作者:Roland Verhé、Norbert de Kimpe、Dirk Courtheyn、Laurent de Buyck、Niceas Schamp
DOI:10.1016/0040-4020(82)80073-2
日期:1982.1
3-acyl-2-alkyl-4,5-dihydrofurans. Similar cyclization of α-acyl-α,β-unsaturated esters initially afforded 3-alkoxycarbonyl-2-alkyl-4,5-dihydrofurans which were transformed into 2-acylbutanolides on further reaction with sulfuric acid.