Synthesis and mass spectral studies of a coumarin analog of chloramphenicol
作者:Hanamanthsa S. Bevinakatti、Virupax V. Badiger
DOI:10.1002/jhet.5570170811
日期:1980.12
well as its two precursors (5 and 6) were confirmed by ir and nmr studies. Because of the larger side chain, the coumarin analog (7) breaks down in a well defined manner upon electron impact. Its massspectral fragmentation patterns are described.