From an analysis and reinterpretation of the results of Tschesche and Haupt it was concluded that the formula for convallatoxin tentatively suggested by these investigators is inadmissible and that the (unisolated) aglycone in question ... [CONTRIBUTION FROM THE CHEMISTRY LABORATORY OF THE UNIVERSITY OF MICHIGAN] ... The Reaction of Alkali Metals with Polycyclic Hydrocarbons. 11 ... BY W. E. BACHMANN AND L. H. PENCE^ ... It was shown recently ...