Silica Chloride-Catalyzed One-Pot Isomerization–Chlorination, Arylation, and
Etherification of Baylis–Hillman Adducts
by Ponnusamy
Shanmugam
,
Baby
Viswambharan
and
Vadivel
Vaithiyanathan
A convenient and efficient one-pot isomerization–chlorination,
arylation, and etherification of several Baylis–Hillman adducts with
Silica chloride, an eco-friendly heterogeneous catalyst, silica
chloride–arenes, and silica chloride–saturated and unsaturated alcohols
as reagent systems are reported. These reactions furnished highly
functionalized isomerized Baylis–Hillman derivatives in good yield. The
efficiency and necessity of silica
Chloride catalyst was compared with
thionyl chloride. A plausible mechanism of the reaction is proposed.
Australian Journal of Chemistry 60(11) 850–85
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