Formation of Substituted Benzo[ a ]heptalenes via Bergman Cyclization of Vicinal Di(ethynyl)-heptalenes

Author: Abou-Hadeed Khaled  

Publisher: Swiss Chemical Society

ISSN: 0009-4293

Source: CHIMIA International Journal for Chemistry, Vol.54, Iss.12, 2000-12, pp. : 763-765

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Abstract