Research on Chemical Intermediates p. 2211 - 2218 (2013)
Update date:2022-08-04
Topics:
Zhou, Minghao
Hong, Mei
Xiao, Guomin
An improved method was developed for preparation of 5,6,7,8-tetrahydrofolic acid (THF) and calcium-5-methyltetrahydrofolate (5-MTHF-Ca) by reduction of folic acid using KBH4 catalyzed by Pb(NO3)2. The yields of THF and 5-MTHF-Ca were 56.5 and 42.7 %, respectively. A convenient method for measurement of THF and 5-MTHF-Ca using liquid chromatography-mass spectrometry (LC-MS) was also established, enabling analysis of those folates within 10 min without application of gradient elution.
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(2013)