References
- Dölling , W. , Friedemann , K. , Heinemann , F. and Hartung , H. 1991 . Z. Naturforsch., Teil b , 46b : 1251 – 1257 .
- Dölling , W. , Vogt , A. and Augustin , M. 1989 . Monatsh. Chem. , 120 : 879 – 889 .
- Augustin , M. and Dölling , W. 1990 . Z. Chem. , 30 : 395 – 403 .
- Augustin , M. , Dölling , W. and Vogt , A. 1983 . Z. Chem. , 23 : 333
- Gotthardt , H. , Feist , U. and Schoy-Tribbensee , S. 1985 . Chem. Ber. , 118 : 774 – 84 .
- Tormos , G. V. , Khodorkovsky , V. Yu. , Neilands , O. Ya. and Belyakov , S. V. 1992 . Tetrahedron , 48 : 6863 – 6874 .
- Aitken , R. A. 1990 . Five-Membered Ring Systems: With O & S (Se, Te) Atoms . Progr. Heterocycl. Chem. , Bd. 2 : 134 – 145 . Kap. 4.6
- Ibata , T. and Nakano , H. 1990 . Bull. Chem. Soc., Jpn. , 63 : 3096 – 3102 .
- Papadopoulou , M. , Spyroudis , S. and Varvoglis , A. 1985 . J. Org. Chem. , 50 : 1509 – 1511 .
- Dölling , W. , Vogt , A. and Augustin , M. 1991 . Z. Naturforsch. Teil b , 46b : 133 – 138 .
- Tormos , G. V. , Neilands , O. J. and Cava , M. P. 1992 . J. Org. Chem. , 57 : 1008 – 1009 .
- Dolling , W. , Sperk , K. and Augustin , M. 1990 . J. Prukt. Chem. , 332 : 671 – 678 .