Helvetica Chimica Acta p. 1439 - 1460 (1987)
Update date:2022-07-29
Topics:
Weber, Roland H.
Bruegger, Paul
Arnold, Wolf
Schoenholzer, Peter
Hansen, Hans-Juergen
1-(Alkoxycarbonyl)heptalene-2-carboxylic acids as well as 2-(alkoxycarbonyl)heptalene-1-carboxylic acids react with the iminium salt formed from N,N-dimethylformamide (DMF) and oxalyl chloride, in the presence of an alcohol, to yield the corresponding cyc
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(1954)
