6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester

Base Information

• Chemical Name: 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester
• CAS No.: 76196-04-8
• Molecular Formula: C₇H₅ClN₄O₂
• Molecular Weight: 212.595

Synonyms:6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester

Chemical Property of 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester

Chemical Property:

Purity/Quality:

99%, ^*data from raw suppliers

Methyl6-chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylate ^*data from reagent suppliers

Safty Information:

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Technology Process of 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester

There total 3 articles about 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-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: 41.0%

C7H6BrClN4O2 (76196-02-6) → 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester (76196-04-8)

Guidance literature:

With triethylamine; In isopropyl alcohol; for 1h; Heating;

Reference yield:

1-methoxycarbonylmethylene-2-(6-chloro-3-pyridazinyl)hydrazine (76195-99-8) → 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester (76196-04-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 50 percent / sodium acetate, bromine / acetic acid / 3 h

2: 41 percent / triethylamine / propan-2-ol / 1 h / Heating

With bromine; sodium acetate; triethylamine; In acetic acid; isopropyl alcohol;

Reference yield:

1-ethoxycarbonylmethylene-2-(6-chloro-3-pyridazinyl) hydrazine (69579-06-2) → 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylic acid methyl ester (76196-04-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 98 percent / triethylamine / 2 h / Heating

2: 50 percent / sodium acetate, bromine / acetic acid / 3 h

3: 41 percent / triethylamine / propan-2-ol / 1 h / Heating

With bromine; sodium acetate; triethylamine; In acetic acid; isopropyl alcohol;

upstream raw materials:

C₇H₆BrClN₄O₂

1-methoxycarbonylmethylene-2-(6-chloro-3-pyridazinyl)hydrazine

1-ethoxycarbonylmethylene-2-(6-chloro-3-pyridazinyl) hydrazine

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