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RISA METHOD FOR THE ACETYLATION OF ALCOHOLS CATALYZED BY HETEROPOLYOXOMETALLATES
سال: 2007
خلاصه:
Esterifications of acetic acid with some linear, secondary, tertiary, and benzylic alcohols mediated by catalytic amounts of Keggin, Wells-Dawson, and Preyssler type heteropolyacids were carried out under reflux at mild ...
Synthesis ad identification of a novel organic-inorganic hybrid constructed from isopolyanion nd aminoacid (phenylalanine)
سال: 2007
خلاصه:
poly oxometalate represent a well known