1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

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Chemical Name:1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester
CAS No.:1441740-26-6
Molecular Formula:C₁₈H₁₉N₃O₄
Molecular Weight:341.367
Hs Code.:

Synonyms:1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

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Chemical Property of 1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

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Technology Process of 1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

There total 6 articles about 1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic 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: 86.0%

: 1441740-18-6
1-(5-cyano-2-methoxy-phenyl)-5-isopropyl-4-vinyl-1H-pyrazole-3-carboxylic acid ethyl ester

: 1441740-26-6
1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

Guidance literature:: 1-(5-cyano-2-methoxy-phenyl)-5-isopropyl-4-vinyl-1H-pyrazole-3-carboxylic acid ethyl ester; With osmium(VIII) oxide; 4-methylmorpholine N-oxide; In 1,4-dioxane; water; tert-butyl alcohol; at 20 ℃; for 20h;

With sodium periodate; In 1,4-dioxane; water; tert-butyl alcohol; at 20 ℃; for 2h;

Reference yield:

: 64195-85-3
ethyl 2,4-dioxo-5-methylhexanoate

: 1441740-26-6
1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: toluene / 1 h / 110 °C / Inert atmosphere

2.1: bromine / dichloromethane / 3 h / 20 °C / Irradiation

3.1: potassium carbonate; bis(tri-t-butylphosphine)palladium⁽⁰⁾ / 1,4-dioxane; water / 1 h / 80 °C / Inert atmosphere

4.1: osmium(VIII) oxide; 4-methylmorpholine N-oxide / 1,4-dioxane; water; tert-butyl alcohol / 20 h / 20 °C

4.2: 2 h / 20 °C

With osmium(VIII) oxide; bis(tri-t-butylphosphine)palladium⁽⁰⁾; bromine; potassium carbonate; 4-methylmorpholine N-oxide; In 1,4-dioxane; dichloromethane; water; toluene; tert-butyl alcohol;

Reference yield:

: 1441740-10-8
4-bromo-1-(5-cyano-2-methoxy-phenyl)-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

: 1441740-26-6
1-(5-cyano-2-methoxy-phenyl)-4-formyl-5-isopropyl-1H-pyrazole-3-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: potassium carbonate; bis(tri-t-butylphosphine)palladium⁽⁰⁾ / 1,4-dioxane; water / 1 h / 80 °C / Inert atmosphere

2.1: osmium(VIII) oxide; 4-methylmorpholine N-oxide / 1,4-dioxane; water; tert-butyl alcohol / 20 h / 20 °C

2.2: 2 h / 20 °C

With osmium(VIII) oxide; bis(tri-t-butylphosphine)palladium⁽⁰⁾; potassium carbonate; 4-methylmorpholine N-oxide; In 1,4-dioxane; water; tert-butyl alcohol;