Mass Spectral Fragmentation of (S,S)-N,N′-Bis [1-(hydroxymethyl)alkyl]anthracene/Naphthalene-1,8-dicarboxamides under Electron Impact Ionization Conditions
JIAO Peng,ZHANG Qi-han and XU Jia-xi {**} Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,College of Chemistry and Molecular Engineering,Peking University,Beijing 100871,China
基金项目:
Supported in part by the National Natural Science Foundation of China(No. 20472005).
摘 要:
IntroductionN,N′-Bis 1-( hydroxymethyl) alkyl] dicarboxa-mides are important intermediates for the syntheses ofbis-oxazolines, which are a class of the most importantand widely used ligands in catalytic asymmetric reac-tions1,2]. On determining the str…