Sources of common compounds: 1195-58-0

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Photochemistry of dicyanopyridines, published in 1995-09-13, which mentions a compound: 1195-58-0, mainly applied to photochem dicyanopyridine UV laser flash photolysis, Recommanded Product: Pyridine-3,5-dicarbonitrile.

The photochem. of a variety of dicyanopyridines (2,3-, 2,4-, 2,5-, 2,6-, 3,4- and 3,5-dicyanopyridine) in solution at room temperature was investigated. Pulsed UV (308 nm) laser irradiation in deoxygenated acetonitrile yields the triplet state with lifetimes between 4 and 10 μs and absorption bands in the 400 and 320 nm regions. In the presence of added HCl an air-insensitive transient (τ≈10-12 μs, λmax≈360-380 nm) was observed, suggesting the formation of a protonated excited state. Irradiation in the presence of amines resulted in the production of the pyridyl radical anion (τ≈40-80 μs, air sensitive, λmax≈360-380 nm) formed by electron transfer from the amine to the pyridine triplet excited state. Stern-Volmer anal. gave electron transfer rate constants in the range (1-8)×10-8 M-1s-1. In methanol solvent, irradiation yielded an air-insensitive transient assigned as the neutral pyridyl radical (τ≈30-200 μs, λmax≈370-385 nm). The formation of these transients is discussed in the context of previous photochem. ESR and product studies.

Compounds in my other articles are similar to this one(Pyridine-3,5-dicarbonitrile)Recommanded Product: Pyridine-3,5-dicarbonitrile, you can compare them to see their pros and cons in some ways,such as convenient, effective and so on.

Reference:
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