15N-NMR. Spectra of pterins and folic ac
โ
Willi Schwotzer; Jost H. Bieri; Max Viscontini; Wolfgang von Philipsborn
๐
Article
๐
1978
๐
John Wiley and Sons
๐
German
โ 381 KB
## Abstract ^15^NโChemical shifts of a series of 5, 6, 7, 8โtetrahydropterins, 7, 8โdihydropterins and pterins have been measured in acidic solution by means of a probe for 20 mm sample tubes. Included are the relevant data of folic acid **(11)**, 5, 6, 7, 8โtetrahydrofolic acid **(5)** and __N__ (