Polyhalogenoaromatic Compounds. Part 51. Synthesis of New Heterocycles from Pentachloropyridine and 2,3,5,6-Tetrachloropyridine with Aliphatic Diamines

Heterocycles ◽  
1992 ◽  
Vol 34 (8) ◽  
pp. 1539 ◽  
Author(s):  
Luis Juli� ◽  
Jordi Rius ◽  
Hans Suschitzky
Keyword(s):  
Aliphatic Diamines

Polyampholyte Hydrogels Based on Aliphatic Diamines

2021 ◽  
Author(s):  
V. A. Lipin ◽  
T. A. Sustavova ◽  
Yu. A. Petrova
Keyword(s):  
Aliphatic Diamines

The Preparation and Properties of Some Cyclic β-Diketone Diimines

1973 ◽  
Vol 51 (4) ◽  
pp. 505-513 ◽  
Author(s):  
Kenneth Charles Moss ◽  
Frank Price Robinson
Keyword(s):  
Spectral Data ◽  
Schiff Bases ◽  
Steric Hindrance ◽  
Condensation Reaction ◽  
Side Chain ◽  
Mass Spectral Data ◽  
Mass Spectral ◽  
Aliphatic Diamines

The condensation reaction between a series of aliphatic diamines and a series of five- and six-membered cyclic β-diketones to form Schiff bases was investigated. Mass spectral data show that reaction occurred on the side-chain carbonyl except where steric hindrance forced condensation to occur on the ring carbonyl. N.m.r. studies show that these Schiff bases exist primarily in the ketamine form in solution, irrespective of the solvent. I.r. data confirm this. The preparation of a number of Cu(II) and Ni(II) complexes from some of the ligands is also described.

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