1. in press;Periasamy;Tetrahedron Asymmetry
2. would like to make a special reference to my student Dr Kanth who has obtained the preliminary results Thanks are also due to the New Delhi for financial support and to Prof for encouragement References Synthesis;Bhaskar;Chem Soc Chem Commun Chem SOC Chem SOC Chem Commun Chem SOC Chem Commun Am Chem SOC Chem SOC,1990