Citation:
Kang Ruhong, Fan Fengge, He Yanzhang, Zhang Lanping. SILICA GEL SUPPORTED POLYETHYLENE GLYCOLS FOR PHASE TRANSFER CATALYSIS[J]. Chinese Journal of Applied Chemistry,
;1989, 6(3): 78-80.
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Polyethylene glycols with different mean molecular weight (200-1000) were immobilizedon to silica gels. They all exhibited a certain catalytic activity in esterification and some nucleophilic substitution reactions. The influence of the chain length of polyethylene glycol,the dosage of catalyst used and the polarity of the solvents on the catalytic activity were studied. The catalysts could be used repeatedely seven times with little loss of its activity.
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