Novel preparation method of diaryl substituted naphthopyran photochromic compound

Novel preparation method of diaryl substituted naphthopyran photochromic compound

The invention relates to a novel preparation method of a diaryl substituted naphthopyran photochromic compound. One active aldehyde group is introduced onto a substitution aromatic ring, and then other required functional groups are connected to an aldehyde active site, so that photochromic performa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PANG MEILI, WU BIANPENG, NIU YANXIA, MENG QINGMI, BIAN JUNMIN, ZHOU YAN, ZHANG JIANXIN, MENG JIBEN
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
HETEROCYCLIC COMPOUNDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC CHEMISTRY
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:The invention relates to a novel preparation method of a diaryl substituted naphthopyran photochromic compound. One active aldehyde group is introduced onto a substitution aromatic ring, and then other required functional groups are connected to an aldehyde active site, so that photochromic performance of the naphthopyran compound is regulated, absorption wavelength of the naphthopyran compound is controlled to generate red shift or blue shift, and a photochromic wavelength range of the diaryl substituted naphthopyran compound is further expanded.