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一般描述
4-苯基-1,2,4-三唑啉-3,5-二酮,也称为Cookson试剂,是一种强亲二烯物,可在短时间内和温和条件下定量产生稳定的Diels-Alder加合物。通常作为二烯部分的保护基团,合成维生素D3 (VD3)相关化合物。[1]
应用
法律信息
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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Dienophilic Reagent for Precolumn Derivatization of 7-Dehydrocholesterol in High Performance Liquid Chromatography
Shimada K and OE T
Analytical Sciences, 6(3), 461-463 (1990)
Chromatographic separation of PTAD-derivatized 25-hydroxyvitamin D3 and its C-3 epimer from human serum and murine skin
Teegarden DM, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 991(1), 118-121 (2015)
Grant A Abernethy
Analytical and bioanalytical chemistry, 403(5), 1433-1440 (2012-03-24)
A method for analysing vitamin D(3) (VD3, cholecalciferol) has been established and validated. This method is rapid and cost effective and is intended for use in quality control in the manufacture of fortified infant formulae and milk powders. Milk or
A S Weiskopf et al.
Journal of mass spectrometry : JMS, 36(1), 71-78 (2001-02-17)
The structural specificity of vitamin D derivatization by PTAD (4-phenyl-1,2,4-triazoline-3,5-dione) was probed using synthetic analogues and ion trap mass spectrometry. EB 1089, a vitamin D(3) analogue which contains a second site for Diels--Alder cycloaddition on its side-chain, allowed the examination
Jiri Adamec et al.
Journal of separation science, 34(1), 11-20 (2010-12-21)
Simultaneous and accurate measurement of vitamin D and 25-hydroxyvitamin D in biological samples is a barrier limiting our ability to define "optimal" vitamin D status. Thus, our goal was to optimize conditions and evaluate an LC-MS method for simultaneous detection
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