Aromatic nucleophilic substitution. Part 3. Preparation of novel 9-oxo-9H-thioxanthene- and 9-oxo-9H-xanthenedicarboximides and -dicarboxylates
- 7 August 1991
- journal article
- research article
- Published by Wiley in Helvetica Chimica Acta
- Vol. 74 (5) , 1119-1126
- https://doi.org/10.1002/hlca.19910740521