Tetrahedron Letters · 1980 · 52 citations · 19 references
Natural SciencesBiochemistryChemistryOrganic ChemistryHeterocycle SynthesisHeterocyclic ChemistryHeterocyclic CompoundsOrganic SynthesisRetrosynthetic AnalysisRing-forming ReactionsSteroid Ring Conformation
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W. Parker, J. S. Roberts, R. Ramage · Quarterly Reviews Chemical Society · 1967 · 163 citations
Haruhisa Shirahama, Eiji O̅sawa, Takeshi Matsumoto · Journal of the American Chemical Society · 1980 · 63 citations