... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 44, Issue 26, 23 June 2003, Pages 4893–4894. Cover image Cover image. ... June 2003. Abstract. ... Acknowledgements. The authors are grateful to the Principal, Yeshwant College, Nanded for providing the necessary facilities and one of the authors (SBP) is thankful to UGC, India for sanctioning FDP. References. 1. NP Buu-Hoi, ND Xung, D Lavit; J. Chem. Soc. (1954), p. 1034 ...