Facile preparation and reactivity of polystyrene-supported (dichloroiodo)benzene: A convenient recyclable reagent for chlorination and oxidation
A facile one-pot preparation of polystyrene-supported (dichloroiodo)benzene (loading of -ICl2 up to 1.35 mmol/g) from polystyrene, iodine, and bleach has been developed. This recyclable reagent is useful for efficient chlorination of organic substrates and selective oxidation of various alcohols to the corresponding carbonyl compounds in high yields under mild conditions. The final products are conveniently separated from the polymeric byproduct by simple filtration and isolated in good purity after evaporation of solvent.
Chen, Jiang-Min,Zeng, Xiao-Mei,Middleton, Kyle,Zhdankin, Viktor V.
supporting information; experimental part
p. 1952 - 1955
(2011/04/25)
Three Component Reactions XI. Bromochlorination of Cyclopentene in the Presence of Alcohols
The product composition of reaction mixtures after the addition of bromochlorine to cyclopentene in the presence of several alcohols was determined by GLC in dependence of the molar relations, the temperature and the order of addition.A comparison with the chlorination and bromination is given.The yields of three component products increase in the order bromination-bromochlorination-chlorination and decrease from primary to tertiary alcohols.
Beger, J.,Thielemann, C.
p. 809 - 815
(2007/10/02)
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