00387nam a2200109Ia 4500008004100000022001400041040001100055100002600066245012800092260004400220300001300264251112s9999||||xx |||||||||||||| ||und||  a0040-4039  aCNCLSA  aProf. A. R. Katritzky 0aTetrahedron LettersbThe International Journal For the Rapid Publication of Preliminary Communications in Organic Chemistry  cJanuary, 1979bpergamon pressaNew York  aP. 1-664