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Total assignment of 1H and 13C NMR spectra of two isomeric cucurbitane triterpenoids

✍ Scribed by F. J. Q. Monte; S. M. A. Papa; J. P. Kintzinger; R. Braz-Filho

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
55 KB
Volume
38
Category
Article
ISSN
0749-1581

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✦ Synopsis

The complete 1 H and 13 C chemical shift assignment of two closely related isomeric triterpenoids, 3Λ›,16Λ›,20(R),25-tetrahydroxy-2,11,22-trioxocucurbita-5,23(E)-diene and 3Λ‡,16Λ›,20(R)-trihydroxy-25-acetoxy-2,11,22trioxocucurbita-5,23(E)-diene, making use of one-and two-dimensional NMR techniques (HMBC, HMQC, COSY and NOESY) is described.

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