Cyclization of allenyl phosphonates to 3-chloro-4-(diethylphosphono)-2,5-dihydrofurans induced by CuCl2
作者:Valery K. Brel、Evgeny V. Abramkin
DOI:10.1070/mc2002v012n02abeh001574
日期:2002.1
3-Chloro-4-(diethylphosphono)-2,5-dihydrofurans 5a-f were synthesised by the reaction of 1-(hydroxymethyl)allenyl phosphonates with CuCl2.
Synthesis and Cyclization of Diethylphosphono-Substituted α-Allenic Alcohols to 4-(Diethylphosphono)-2,5-dihydrofurans
作者:Valery K. Brel
DOI:10.1055/s-1999-3420
日期:1999.3
Various types of diethylphosphono-substituted α-allenic alcohols have been readily prepared. Treatment of these compounds with a catalytic amount of silver nitrate under a nitrogen atmosphere provided the corresponding 4-(diethylphosphono)-2,5-dihydrofurans.