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Enantiomeric separation of d,l-tryptophan and d,l-kynurenine by HPLC using pre-column fluorescence derivatization with R(−)-DBD-PyNCS

✍ Scribed by Hideaki Iizuka; Yasushi Hirasa; Kazumi Kubo; Kana Ishii; Toshimasa Toyo'oka; Takeshi Fukushima

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 623 KB
Volume: 25
Category: Article
ISSN: 0269-3879
DOI: 10.1002/bmc.1525

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adducts are destroyed coelutes with the isooctane. Peaks of ## Short Communications Table 1 retention time 2.63,5.44, and 7.65 minutes are from the reagent. Even though these peaksarequitelarge,theydo not interferewith the analysis of the esters. ## Retention data for tert-butyldimethylsilyl est