6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester

Base Information

Chemical Name:6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester
CAS No.:77775-53-2
Molecular Formula:C₁₃H₁₀Cl₂N₂O₄
Molecular Weight:329.139
Hs Code.:

Synonyms:6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester

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Chemical Property of 6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester

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Technology Process of 6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester

There total 5 articles about 6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester 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: 36.0%

: 36341-35-2
methyl 1,6-dihydro-6-oxo-2-pyrazinecarboxylate 4-oxide

: 18880-04-1
3,4-dichlorobenzyl bromide

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

: 77775-53-2
6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester

Guidance literature:: With lithium carbonate; In N,N-dimethyl acetamide; for 10h; Ambient temperature;
DOI:10.1248/cpb.29.88

Reference yield:

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

: 77775-53-2
6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 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: 36 percent / Li₂CO₃ / N,N-dimethyl-acetamide / 10 h / Ambient temperature

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

Reference yield:

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

: 77775-53-2
6-(3,4-Dichloro-benzyloxy)-4-oxy-pyrazine-2-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

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

2: 56 percent / HCl gas / Ambient temperature

3: 36 percent / Li₂CO₃ / N,N-dimethyl-acetamide / 10 h / Ambient temperature

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