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Halogenierte Pyridine III. Di- und trihalogenierte Pyridin-3-aldehyde

✍ Scribed by Ulrich Horn; Francis Mutterer; Claus D. Weis

Publisher
John Wiley and Sons
Year
1976
Tongue
German
Weight
713 KB
Volume
59
Category
Article
ISSN
0018-019X

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✦ Synopsis

Halogenated pyridines III. Di‐ and trihalogenated pyridine‐3‐aldehydes.

Three methods for the preparation of new ring chlorinated pyridine‐3‐aldehydes are investigated. Reactions of the new aldehydes are reported.

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The crystal structure of racemic and mes
The crystal structure of racemic and meso-diastereoisomers of aqua[2,6-bis(3-carboxy-1,2-dimethyl-2-azapropyl)pyridine]-Co(III) · Hexafluorophosphate · Di- and monohydrate, respectively
✍ Helen Stoeckli-Evans; Lotte Brehm; Philippe Pousaz; Klaus Bernauer; Hans-Beat Bü 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 German ⚖ 402 KB 👁 1 views

Synthesis of the pentadentate ligand 2,6-bis(3-carboxy-1,2-dimethyl-2-azapropyl)pyridine yields a mixture of the racemic and meso-isomers which it was difficult to separate by column chromatography. When the cationic Co(II1)-complex of this ligand was crystallized with hexafluorophosphate as anion,