(3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester

Base Information

Chemical Name:(3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester
CAS No.:947145-72-4
Molecular Formula:C₁₆H₁₂Br₂N₄O₄
Molecular Weight:484.104
Hs Code.:

Synonyms:(3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester

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Chemical Property of (3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester

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Technology Process of (3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester

There total 8 articles about (3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl 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:

: 947145-05-3
(2,6-dibromo-3-nitropyridin-4-yl)carbamic acid ethyl ester

: 947145-72-4
(3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester

Guidance literature:: With potassium carbonate; sodium iodide; In acetone; for 24h; Inert atmosphere;
DOI:10.1016/j.tetlet.2011.08.119

Reference yield:

: 39771-34-1
4-amino-2,6-dibromopyridine

: 947145-72-4
(3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: sulfuric acid; nitric acid / 0.5 h / -10 - -5 °C

2: sulfuric acid / 1.58 h / 47 - 56 °C

3: triethylamine / 2-methyltetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere

4: potassium carbonate; sodium iodide / acetone / 24 h / Inert atmosphere

With sulfuric acid; nitric acid; potassium carbonate; triethylamine; sodium iodide; In 2-methyltetrahydrofuran; acetone;
DOI:10.1016/j.tetlet.2011.08.119

Reference yield:

: 626-05-1
2,6-Dibromopyridine

: 947145-72-4
(3-cyano-benzyl)-(2,6-dibromo-3-nitro-pyridin-4-yl)-carbamic acid ethyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: urea hydrogen peroxide adduct; trifluoroacetic anhydride / dichloromethane / 20.75 h / 5 - 20 °C / Inert atmosphere

2: sulfuric acid; nitric acid / 3.92 h / 79 - 85 °C

3: iron; acetic acid / 0.75 h

4: sulfuric acid; nitric acid / 0.5 h / -10 - -5 °C

5: sulfuric acid / 1.58 h / 47 - 56 °C

6: triethylamine / 2-methyltetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere

7: potassium carbonate; sodium iodide / acetone / 24 h / Inert atmosphere

With sulfuric acid; nitric acid; urea hydrogen peroxide adduct; iron; potassium carbonate; acetic acid; triethylamine; trifluoroacetic anhydride; sodium iodide; In 2-methyltetrahydrofuran; dichloromethane; acetone;
DOI:10.1016/j.tetlet.2011.08.119