Abstract :Diacetals of pentaerythritol were synthesized by condensation of aldehydes with pentaeryth2
ritol in benzene with polyphoric acid as a catalyst . The products were characterized by' HNMR, IR
and elemental analysis.
Key words :polyphosphoric acid ;pentaerythritol diacetal ;synthesis ;characterization
Written by Lu Shao rong (Dept. of Material Engineering ,Guilin Institute of Technology ,Guilin 541004 ,China)

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