REFERENCES
- Tromm , P.-C. and Heimgartner , H. 1990 . Helv. Chim. Acta , 73 : 2287
- Oremus , V. , Linden , A. and Heimgartner , H. 1991 . Helv. Chim. Acta , 74 : 1500
- Blagoev , M. , Linden , A. and Heimgartner , H. 1999 . Helv. Chim. Acta , 82 : 1458
- Blagoev , M. , Linden , A. and Heimgartner , H. 2000 . Helv. Chim. Acta , 83 : 3163
- Fu , C. , Linden , A. and Heimgartner , H. 2002 . Heterocycles , 58 : 333
- Blagoev , M. , Linden , A. and Heimgartner , H. 1999 . Helv. Chim. Acta , 82 : 2316
- Fu , C. , Linden , A. and Heimgartner , H. 2001 . Helv. Chim. Acta , 84 : 3319
- Fu , C. , Linden , A. and Heimgartner , H. 2003 . Helv. Chim. Acta , 86 : 2833
- Fu , C. , Linden , A. and Heimgartner , H. 2003 . Helv. Chim. Acta , 86 : 2258
- Fu , C. , Linden , A. and Heimgartner , H. 2004 . Helv. Chim. Acta , 86 : 2296
- Fu , C. , Thrane , M. V. , Linden , A. and Heimgartner , H. 2004 . Tetrahedron , 60 : 5407