Enhanced structure determination of beta-pyrrole and N-substituted porphyrins by desorption chemical ionization mass spectrometry. |
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| Authors: | Xiang-Yu Jiang Annemarie Wegmann Szente Bo-Ragnar Tolf Lisa A Kehres Edward Bunnenberg Carl Djerassi |
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| Affiliation: | Department of Chemistry, Stanford University, Stanford CA 94305. U.S.A. |
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| Abstract: | The extensive macrocycle—but minimal substituent—fragmentation occurring in the chemical ionization mass spectra of porphyrins when ammonia, rather than hydrogen, is the reagent gas leads to more detailed structure determinations. |
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