1. Isolation: (a) Lin, W.H.; Ye, Y.; Xu, R.S.J. Nat. Prod.1992,55, 571. (b) Goetz, M.; Edwards, O. E. InThe Alkaloids; Manske, R. H. F., Ed.; Academic Press: New York, 1976; Vol. IX, pp 545−551 and references cited therein. See, also: (c) Nakanishi, K.; Goto, T.; Ito, S.; Natori, S.; Nozoe, S. InNatural Products Chemistry; Academic Press: New York, 1975; Vol. 2, pp 292−93.
2. Asymmetric Total Synthesis of the Stemona Alkaloid (-)-Stenine
3. An internal-coordinate Monte Carlo method for searching conformational space
4. Observations regarding eschenmoser sulfide contractions of β-oxygenated thiolactams