Tetrahedron

Synthesis and spectrokinetic studies of spiro [thioxanthene-naphthopyrans]

…, AMF Oliveira-Campos, A Samat, R Guglielmetti

文献索引：Coelho, Paulo J; Carvalho, Luis M; Abrantes, Sofia; Manuel Oliveira; Oliveira-Campos, Ana M.F; Samat, Andre; Guglielmetti, Robert Tetrahedron, 2002 , vol. 58, # 47 p. 9505 - 9511

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被引用次数: 37

摘要

Several new spiro [thioxanthene-naphthopyrans] were prepared from substituted naphthols using a one step reaction. The photochromic properties of the new compounds were studied under flash photolysis and continuous irradiation. Compared to reference compounds general significant bathochromic shifts in the absorption spectra of the open forms, faster thermal bleaching kinetics and interesting fatigue resistances were observed.