Authors:
Cs. Novák Technical University of Budapest Institute for General and Analytical Chemistry Szt, Gellért tér 4. H-1521 Budapest Hungary

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A. Végh Technical University of Budapest Institute for General and Analytical Chemistry Szt, Gellért tér 4. H-1521 Budapest Hungary

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S. Marokházi Technical University of Budapest Institute for General and Analytical Chemistry Szt, Gellért tér 4. H-1521 Budapest Hungary

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G. Pokol Technical University of Budapest Institute for General and Analytical Chemistry Szt, Gellért tér 4. H-1521 Budapest Hungary

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L. Szente Cyclolab Cyclodextrin Research and Development Laboratory, Ltd P.O.B. 435 1525 Budapest Hungary

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Abstract  

Racemic free mandelic acid and its methyl, ethyl, isoamyl and benzyl esters were found to form inclusion complexes with all the three studied natural cyclodextrins proved by thermoanalytical results. Differences between the solid state stability of guests were detected mainly by evolved gas analysis. Even signs of an eventual optical resolution by molecular inclusion were observed in several cases, but still not sufficiently proven. Due to the rather high volatility and low melting points of the majority of guest substances DSC technique was found to be suitable for studying the cyclodextrin complexes of mandelic acid.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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