New type catalyst used for synthetizing alkyl salicylate by esterification

A new dibasic ompounding catalyst for catalytic synthesis of alkyl salicylicate uses three-coordination phosphorus compound and boric acid to form the compounding catalyst under reaction condition with salicylic acid and aliphatic alcohol (C1-C3) as raw material through esterification reaction to sy...

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Bibliographic Details
Main Authors ZHAOJIE LIU, LIMING HU, GUANGXU YU
Format Patent
LanguageEnglish
Published 14.05.1997
Edition6
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:A new dibasic ompounding catalyst for catalytic synthesis of alkyl salicylicate uses three-coordination phosphorus compound and boric acid to form the compounding catalyst under reaction condition with salicylic acid and aliphatic alcohol (C1-C3) as raw material through esterification reaction to synthesize alkyl salicylicate, the input catalyst total quantity is 4-12% of salicylic acid mass, thesingle course production rate of alkyl salicylicate is 75-90%, the total production rate is 90-95%, and the purity of the product is 92-98%.
Bibliography:Application Number: CN1995116192