
Chemistry of Heterocyclic Compounds p. 897 - 900 (1984)
Update date:2022-09-26
Topics:
Kon'kov, L.I.
Przhiyalgovskaya, N.M.
Kurkovskaya, L.N.
Acyl derivatives of the Fisher base react in the presence of phosphorus oxychloride with m-diethylaminophenol or resorcinol, forming spiro(indoline-2,2'-(2H)chromenes) and spiro(indoline-2,4'-(4H)chromenes.The ratio of the isomers depends on the solvent a
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