Twelve polyhedronylcarbonyl chloroethylureas were synthesized by the condensation of acylfluoride and chloroethylurea in the ionic liquid [bmim][BF4] with the polyhedron dicarboxylic acids as starting materials. The structures have been characterized by 1H NMR, 13C NMR and MS techniques. Comparison with the traditional methods of acylchloride as intermediate, this procedure has the advantages of better yield, simplified operation and environmental benignity.
ZHANG Hong-Lei
,
ZHU Xiao-He
,
YAN Hong
,
SONG Xiu-Qing
. Synthesis of Polyhedronylcarbonyl Chloroethylureas Using Acylfluoride in Ionic Liquid[J]. Chinese Journal of Organic Chemistry, 2012
, 32(02)
: 344
-348
.
DOI: 10.6023/cjoc1107222
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