3C-NMR: 87.2 ppm) indicated that 1 was a modified kaurenoid with the Me group at C(10) shifted to C(9) . It was, therefore, identified as the 10-hydroxy-13-methoxy-9methyl-1 5-oxo-20-norkaur-16-en-18-0ic acid y-lactone. Further 2D-NMR experiments (COSY, HMBC and HMQC) allowed us the full assignment
✦ LIBER ✦
A New Norkaurane-γ-Lactone from Parinari sprucei
✍ Scribed by Carlo Andrea Mattia; Alessandra Braca; Nunziatina De Tommasi; Raffaella Puliti
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 75 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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