... Opens overlay Chava Gal, Opens overlay Shlomo Rozen. Department of Chemistry, Tel-Aviv University Tel-Aviv 69978, Israel. Received 25 November 1983, Available online 5 March 2001. ... Download full text in PDF. Tetrahedron Letters,Vol.25,No.4,pp 44952,1984 0040039/84 $3.00 +