Enantioselective syntheses of (-)-7-oxo-kolavenic acid and (-)-methyl solidagonate from (-)-verbenone
- Publication Type
- Journal contribution
- Authors
- Kato, M.; Kosugi, H.; Ichiyanagi, T.; Suzuki, T.; Kodaira, A.; Drechsel, P.; Hagiwara, H.
- Year of publication
- 1999
- Published in
- Tetrahedron Lett.
- Band/Volume
- 40/29
- ISBN / ISSN / eISSN
- 0040-4039
- Page (from - to)
- 5377-78
The first enantioselective synthesis of the title neo-trans-clerodanes (I) (R = H, Me; R1 = =O, .alpha.OAc) from (-)-verbenone has been accomplished using the ene reaction and stereoselective conjugate addn. reaction to the enone (II) as the key step.