Tetrahedron Letters · 1970 · 10 citations · 3 references
Natural SciencesChemistryOrganic ChemistryHeterocyclic ChemistryHeterocyclic CompoundsRetrosynthetic AnalysisCycloaddition Reactions
3
Herstellung und Umsetzungen von β‐Lactamen
Th. Haug, F. Lohse, Karl Metzger et al. · Helvetica Chimica Acta · 1968 · 16 citations
Heterocyclic steroids XVI A new synthesis of 13-aza-estrone
W. N. SPECKAMP, R. J. P. BARENDS, A.J. de Gee et al. · Tetrahedron Letters · 1970 · 11 citations