cas 134510-06-8, 5-Methoxy-2(1H)-pyrazinone | Articles data ｜lookchem

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134510-06-8

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Studies on pyrazines, Part 39.1 Synthesis and acidic hydrolysis of 2-hydroxy-5-methoxypyrazine
2-Hydroxy-5-methoxypyrazine was synthesised in a three-step reaction sequence starting from aminopyrazine. The product was extensively destroyed on acidic workup without forming 2,5-dihydroxypyrazine.
Sato, Nobuhiro,Mizuno, Akio
p. 747 - 749
(2007/10/03)

1, 3-dipolar cycloaddition reactions of benzonitrile oxide to 2(1II)-pyrazinone and its n- and o-methyl derivatives
2(1H)-Pyrazinone, which is in equilibrium with 2-pyrazinol, reacts with benzonitrile oxide (BNO) affording the N-adducl with a 67% yield, while 2-methoxypyrazine gives two methoxypyrazinones (ca. 3%) and a biscycloadduct together with its degradation product, which derive from the two unisolable monocycloadducts to the C=N4 double bond. Af-Methylpyrazinone gives only the degradation product (3.4%) of the initial monocycloadduct of BNO to C=N4: double bond.
Corsaro, Antonino,Chiacchio, Ugo,Pistara, Venerando,Perrini, Giancarlo
p. 69 - 80
(2007/10/03)

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Chemical Properties

Melting Point: 155-159 °C
Density: 1.3g/cm³
Storage Temp.:2-8°C
Refractive Index: 1.559
PKA: 10.62±0.40(Predicted)
PSA: 54.98000
LogP: -0.22150

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