Mass Spectral Fragmentation of (S,S)-N,N'-Bis[1-(hydroxymethyl)alkyl]anthracene/Naphthalene-1,8-dicarboxamides under Electron Impact Ionization Conditions

Chemical Research in Chinese Universities ›› 2006, Vol. 22 ›› Issue (6): 756-759.doi:

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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

Received:2005-10-21 Revised:1900-01-01 Online:2006-11-25 Published:2006-11-25
Contact: XU Jia-xi E-mail:jxxu@pku.edu.cn

Abstract

Abstract:

The mass spectrometric fragmentation of (S,S)-N,N’-bis[1-(hydroxymethyl)alkyl]anthracene/naphthalene-1,-8-dicarboxamides was investigated with the aid of mass-analyzed ion kinetic energy spectrometry and the elemental compositions of important fragment ions were determined by accurate mass measurement under electron impact ionization conditions. All the compounds could eliminate formaldehyde. The [M-CH₂O] ions could also eliminate imine, aziridine, aziridinone, -2-amonoalkan-1-ol, water, and other fragments. Several cyclizations were observed under -electron Impact ionization.

Key words: Biscarboxamide, EI-MS, Fragmentation, Cyclization

JIAO Peng, ZHANG Qi-han , XU Jia-xi.

Mass Spectral Fragmentation of (S,S)-N,N'-Bis[1-(hydroxymethyl)alkyl]anthracene/Naphthalene-1,8-dicarboxamides under Electron Impact Ionization Conditions

[J]. Chemical Research in Chinese Universities, 2006, 22(6): 756-759.

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Mass Spectral Fragmentation of (S,S)-N,N'-Bis[1-(hydroxymethyl)alkyl]anthracene/Naphthalene-1,8-dicarboxamides under Electron Impact Ionization Conditions

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