1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid

Base Information

Chemical Name:1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid
CAS No.:77792-26-8
Molecular Formula:C₁₂H₈Cl₂N₂O₄
Molecular Weight:315.113
Hs Code.:

Synonyms:1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid

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Chemical Property of 1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid

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Technology Process of 1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid

There total 7 articles about 1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 34.0%

: 77775-52-1
1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid methyl ester

: 77792-26-8
1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid

Guidance literature:: With potassium carbonate; In methanol; at 50 ℃; for 3h;
DOI:10.1248/cpb.29.88

Reference yield:

: 77775-33-8
methyl 6-chloro-2-pyrazinecarboxylate 4-oxide

: 77792-26-8
1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) aq. NaOH; 2.) MeOH / 1.) 75 deg C, 5 h; 2.) reflux, 30 min

2: 56 percent / HCl gas / Ambient temperature

3: 16 percent / Li₂CO₃ / N,N-dimethyl-acetamide / 10 h / Ambient temperature

4: 34 percent / 0.2N aq. K₂CO₃ / methanol / 3 h / 50 °C

With hydrogenchloride; methanol; sodium hydroxide; lithium carbonate; potassium carbonate; In methanol; N,N-dimethyl acetamide;
DOI:10.1248/cpb.29.88

Reference yield:

: 72788-96-6
6-hydroxymethyl-2(1H)-pyrazinone 4-oxide

: 77792-26-8
1-(3,4-Dichloro-benzyl)-6-oxo-4-oxy-1,6-dihydro-pyrazine-2-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: 40 percent / nickel peroxide / aq. NaOH / 4 h / Ambient temperature

2: 56 percent / HCl gas / Ambient temperature

3: 16 percent / Li₂CO₃ / N,N-dimethyl-acetamide / 10 h / Ambient temperature

4: 34 percent / 0.2N aq. K₂CO₃ / methanol / 3 h / 50 °C

With hydrogenchloride; nickel(IV) oxide; lithium carbonate; potassium carbonate; In methanol; sodium hydroxide; N,N-dimethyl acetamide;
DOI:10.1248/cpb.29.88