1. A. Alemagna and T. Bacchetti, Gazz. Chim. Ital., in press.
2. A. Alemagna and T. Bacchetti, Rend. Ist. Lomb. Sci. Lett. Cl. Sci Mat. Nat., in press.
3. On the Mechanism of Thiamine Action. IV.1 Evidence from Studies on Model Systems
4. Chemie nucleophiler carbene—XXI
5. J. Metzger, H. Larive', R. Dennilauler, R. Baralle and G. Gaurat, Bull. Soc. Chim. France, 2857 (1964);