2,6-Pyridinedicarboxaldehyde, 4-methoxy-

Base Information

• Chemical Name: 2,6-Pyridinedicarboxaldehyde, 4-methoxy-
• CAS No.: 95306-74-4
• Molecular Formula: C8H7NO3
• Mol file: 95306-74-4.mol

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Chemical Property of 2,6-Pyridinedicarboxaldehyde, 4-methoxy-

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Refernces

Remarkable stability of imino macrocycles in water

10.1002/ejoc.200800462

The research investigates the stability of imino macrocycles in water, focusing on imines generated from 4-methoxypyridine-2,6-dicarbaldehyde (1) and various amines such as n-butylamine (2), a triethylene glycol-derived diamine (4), and a bis(homo) analogue (6). The study aims to understand the stability of these macrocyclic structures in aqueous environments, which is crucial for their potential applications in fields like combinatorial chemistry and template-based synthesis. The key findings include the remarkable stability of the 18-membered macrocyclic diimine 5, which can be synthesized in good yield using calcium ions as a template in pure water. This stability is attributed to the template effect of calcium ions and the conjugation of the pyridine unit with the imine groups. The research concludes that even in water, macrocyclic diimine 5 can be formed in excellent yields with sufficient calcium ions present, highlighting the potential for using such macrocycles in aqueous-based chemical systems.

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