Crown‐Containing Spironaphthoxazines and Spiropyrans. Part 3. Synthesis and Investigation of the Merocyanine Form of Crown‐Containing Spirobenzothiazolinonaphthoxazine

Abstract

Multi-membered O,S-heterocycles Multi-membered O,S-heterocycles R 0691Crown-Containing Spironaphthoxazines and Spiropyrans. Part 3. Synthesis and Investigation of the Merocyanine Form of Crown-Containing Spirobenzothiazolinonaphthoxazine -[preparation of title compound (I), its complexing properties and the spectroscopic and photometric characteristics of its complexes with alkaline earth metal cations]. -(FEDOROVA*, O. A.; KOSHKIN, A. V.; GROMOV, S. P.; AVAKYAN, V. G.; NAZAROV, V. B.; BRICHKIN, S. B.; VERSHINNIKOVA, T. G.; NIKOLAEVA, T. M.; CHERNYCH, L. A.; ALFIMOV, M. V.; Russ.