Über Pterinchemie. 79. Mitteilung. 13C-und 15N-NMR.-spektroskopische Untersuchungen an der (6RS)-5, 10-Methylen-5, 6, 7, 8-tetrahydro-L-folsäure; eindeutiger Beweis ihrer Struktur |
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| Authors: | Roger Kalbermatten Werner Stdeli Jost H Bieri Max Viscontini |
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| Institution: | Roger Kalbermatten,Werner Städeli,Jost H. Bieri,Max Viscontini |
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| Abstract: | 13C- and 15N-NMR.-Spectroscopic Studies on (6RS)-5, 10-Methylene-5, 6, 7, 8-tetrahydro-L -folic Acid; Unequivocal Proof of thier Structure The existence of a 5, 10-methylene bridge in the title compound has been established with the help of 15N-NMR, and 13C-NMR. spectroscopy. The simultaneous coupling of 13C(11) with 15N(5) and 15N(10) proves that C(11) must be bound as a methylene bridge to both N-atoms. Some other aspects of the NMR. spectra of the compound are discussed. Synthesis of the title product with the label 15N is described. |
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