2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide

Base Information

• Chemical Name: 2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide
• CAS No.: 1341125-96-9
• Molecular Formula: C₁₅H₁₅NO₄
• Molecular Weight: 273.288
• Mol file: 1341125-96-9.mol

Synonyms:2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide

Chemical Property of 2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide

There total 9 articles about 2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide 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: 84.0%

2-(4-isopropoxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide (1341125-89-0) → 2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide (1341125-96-9)

Guidance literature:

With boron trichloride; In hexane; dichloromethane; at -78 - 20 ℃;

DOI:10.1055/s-0030-1260115

Reference yield:

3-bromo-2-(4-isopropoxyphenyl)-1-oxaspiro[4.4]non-2-en-4-one (1341125-86-7) → 2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide (1341125-96-9)

Guidance literature:

Multi-step reaction with 3 steps

1: nickel dibromide / 1-methyl-pyrrolidin-2-one / 200 °C / Sealed vessel; Microwave irradiation

2: water; sodium hydroxide / 1,4-dioxane / 2 h / 20 °C

3: boron trichloride / hexane; dichloromethane / -78 - 20 °C

With water; boron trichloride; sodium hydroxide; nickel dibromide; In 1,4-dioxane; 1-methyl-pyrrolidin-2-one; hexane; dichloromethane; 1: Rosenmund von Braun reaction;

DOI:10.1055/s-0030-1260115

Reference yield:

3-iodo-2-(4-isopropoxyphenyl)-1-oxaspiro[4.4]non-2-en-4-one (1341125-87-8) → 2-(4-hydroxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide (1341125-96-9)

Guidance literature:

Multi-step reaction with 5 steps

1.1: tetrahydrofuran; hexane / -78 °C

2.1: bromine / dichloromethane / 0.33 h / 0 °C

2.2: 3 h / 0 - 20 °C

3.1: nickel dibromide / 1-methyl-pyrrolidin-2-one / 200 °C / Sealed vessel; Microwave irradiation

4.1: water; sodium hydroxide / 1,4-dioxane / 2 h / 20 °C

5.1: boron trichloride / hexane; dichloromethane / -78 - 20 °C

With water; bromine; boron trichloride; sodium hydroxide; nickel dibromide; In tetrahydrofuran; 1,4-dioxane; 1-methyl-pyrrolidin-2-one; hexane; dichloromethane; 3.1: Rosenmund von Braun reaction;

DOI:10.1055/s-0030-1260115

upstream raw materials:

3-bromo-2-(4-isopropoxyphenyl)-1-oxaspiro[4.4]non-2-en-4-one

3-iodo-2-(4-isopropoxyphenyl)-1-oxaspiro[4.4]non-2-en-4-one

2-(4-isopropoxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carbonitrile

2-(4-isopropoxyphenyl)-4-oxo-1-oxaspiro[4.4]non-2-ene-3-carboxylic acid amide