Effects of N-oxidation on the 15N chemic
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Chad E. Hadden; Brian D. Kaluzny; Russell H. Robins; Gary E. Martin
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Article
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1999
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John Wiley and Sons
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English
⚖ 77 KB
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The e †ects of N-oxidation on the 15N chemical shifts of the Strychnos alkaloids strychnine and brucine are discussed. The 15N shifts were determined using the inverse-detected, long-range GHMBC experiment at natural abundance. Following N-oxidation, the N-19 resonance shifted downÐeld from 35.0 ppm