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ChemicalBook CAS DataBase List 2,2'-BIPYRIDINE-4-CARBALDEHYDE
146581-82-0

2,2'-BIPYRIDINE-4-CARBALDEHYDE synthesis

5synthesis methods
33421-43-1 Synthesis
2,2'-Dipyridyl N-oxide

33421-43-1
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2,2'-BIPYRIDINE-4-CARBALDEHYDE

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Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: sulfuric acid; potassium nitrate / 2 h / 130 °C / Microwave irradiation; Cooling
2.1: acetic acid; Acetyl bromide / 2 h / 130 °C / Microwave irradiation
3.1: n-butyllithium / diethyl ether; toluene; hexane / 1.5 h / -78 °C / Inert atmosphere
3.2: 1.5 h / -78 °C / Inert atmosphere

References:

Heintz, Katharina;Imhof, Wolfgang;G?rls, Helmar [Monatshefte fur Chemie,2017,vol. 148,# 6,p. 991 - 998]

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