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Extension of the Scope of Anionic Cycloadditions by Activating Organoelement Groups

✍ Scribed by Prof. Dr. Thomas Kauffmann; Holger Ahlers; Angelika Hamsen; Herbert Schulz; Dipl.-Chem. Hans-Joachim Tilhard; Annemarie Vahrenhorst

Publisher
John Wiley and Sons
Year
1977
Tongue
English
Weight
109 KB
Volume
16
Category
Article
ISSN
0044-8249

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πŸ“œ SIMILAR VOLUMES

NIR Absorbing Squaraines by Extension of
NIR Absorbing Squaraines by Extension of the Conjugation with (Aminothiazolyl)ethenyl Groups
✍ Herbert Meier; Ralf Petermann πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 German βš– 163 KB

## Abstract The bis{4‐{2‐[2‐(dialkylamino)thiazol‐5‐yl]ethenyl}‐2,6‐dihydroxyphenyl}squaraines **12a**,**b** were synthesized from ethyl carbonochloridate (**1**) in six steps (__Scheme__). The donor–acceptor–donor systems **12a**,**b** are dark blue dyes with absorption maxima in the NIR region, u