CONCLUSIONS.

Optically pure tricarbonyl chromium complexed benzaldehydes and imines are a promising building block for the stereoselective synthesis of enantiomerically pure beta-sultams.

The scope of the above synthetic approches is under active investigation.

REFERENCES.

1) Davies, S.G.; Goodfellow, C.L.; J. Chem. Soc:, Perk. Trans.1 1990, 393.

2) Solladie'-Cavallo,A.; Solladie', G.; Tsamo, E.; J. Org. Chem. 1979, 44, 4187.

3) Maiorana, S.; Jaouen, G.; Baldoli, C.; Del Buttero, P.; Top, S.; J. Organom. Chem. 1991, 413, 125.

4) Yamazaki, Y.; Hosono, K.; Tetrahedon Lett. 1990, 31, 3895.

5) Nakamara, K.; Ishihara, K.; Ohno, A.; Uemura, M.; Nushimura, H.; Hayashi, Y.; Tetrahedron Lett. 1990, 31, 3606.

6) Baldoli, C.; Del Buttero, P. Licandro, E.; Maiorana, S.; Papagni, A.; Tetrahedron: Asymmetry 1994, 5, 809.

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