Adolf Stachel

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Adolf Stachel

Born28 February 1913

Adolf Stachel (born 28 February 1913[1] in Augsburg, died 1971 in Frankfurt am Main) was a German chemist, researcher and inventor, who worked as a researcher at the chemical and pharmaceutical company Cassella (now Sanofi) in Frankfurt-Fechenheim for much of his career.

He held a doctoral degree in chemistry (Doktoringenieur) from the Technische Hochschule München. Early in his career, he was a mentee and collaborator of the Nobel Prize-winning chemist Hans Fischer, who was his doctoral supervisor. He later became a researcher at Cassella. His patents were related to basically substituted heterocyclic compounds, e.g. 2,3-benzotriazine-4(3H)-one derivatives (coumarin), and basically substituted 1H,3H)-quinazoline-2-thion-4-one derivatives, having excellent coronary dilator properties. Patentee was Cassella. When working at Cassella, he was a close collaborator of Armin K.W. Kutzsche. Together with Werner Zerweck they developed Nu-nu-dibenzylsulfamyl benzoic acid, US patent 2805250 A, in the early 1950s.[2][3][4] Other frequent collaborators were Rudi Beyerle, Rolf-Eberhard Nitz and Klaus Resag.

He was married to Ingeburg Lydia Katharina Rodenhausen (1923-2008).

Selected publications[edit]


  1. ^ Adressbuch deutscher Chemiker, Verlag Chemie, 1953, p. 305
  2. ^>
  3. ^ "The European Library". October 2014.
  4. ^ "Nu-nu-dibenzylsulfamyl benzoic acid".