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Gas-liquid chromatography of 2,5-diketopiperazines as their trifluoroacetyl derivatives

โœ Scribed by George P. Slater


Book ID
108335637
Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
342 KB
Volume
64
Category
Article
ISSN
1873-3778

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Bile acids, such as cholic, chenodeoxycholic, deoxycholic, lithocholic and ursodeoxycholic acids, were allowed to react with hexafluoroisopropanol and trifiuoroacetic anhydride at 37" for 30 min. The resulting derivatives were gas chromatographed on QF-1, with flame ionization detection, and were id