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Protolysis of Spironaphtho(aza)pyranoindoles

 

作者: ChristopherD. Gabbutt,   JohnD. Hepworth,   B.Mark Heron,   StevenM. Partington,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 2000）
卷期: Volume 345, issue 1  

页码: 323-328

 

ISSN:1058-725X

 

年代: 2000

 

DOI:10.1080/10587250008023939

 

出版商: Taylor & Francis Group

 

关键词: Photochromism;(mero)cyanine dyes;nmr spectroscopy;spiroindolinonaph-thopyran;spiroindolinonaphthoxazine;protolysis

 

数据来源: Taylor

 

摘要:

Some novel amino-substituted spiroindolinonaphthopyrans have been synthesised. Whilst these compounds exhibit no observable photochromic properties at ambient temperature, protonation results in ring opening to give stable, intensely coloured dyes. Recyclisation and decolouration result on basification.

 

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