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Two epimeric friedelane triterpenes isolated from Maytenus truncata Reiss: 1H and 13C chemical shift assignments

✍ Scribed by G. C. M. Salazar; G. D. F. Silva; L. P. Duarte; S. A. Vieira Filho; I. S. Lula

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

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✦ Synopsis

An NMR study of 3˛-and 3ˇ-friedelinol is described. In addition to conventional 1D NMR methods, 2D shift-correlated NMR experiments HMQC [( 1 J(C,H)], HMBC [ n J(C,H); n D 2 and 3] and 2D 1 H, 1 H-NOESY were used for 1 H and 13 C chemical shift assignments of these triterpenes.

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