5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester

Base Information

• Chemical Name: 5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester
• CAS No.: 208648-73-1
• Molecular Formula: C₁₇H₂₆O₅
• Molecular Weight: 310.39
• Mol file: 208648-73-1.mol

Synonyms:5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester

Chemical Property of 5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester

There total 1 articles about 5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl 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: 81.0%

5-(tert-butoxy)-5-oxopentanoic acid (63128-51-8) + dimedone (126-81-8) → 5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester (208648-73-1)

Guidance literature:

With dmap; 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran; dicyclohexyl-carbodiimide; at 20 ℃; for 4h;

DOI:10.1016/S0040-4039(01)00101-0

Reference yield: 87.0%

4-aminobenzenemethanol (623-04-1) + 5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester (208648-73-1) → tert-butyl 5-(4-hydroxymethylanilino)-5-(4,4-dimethylcyclohexylidene-2,6-dioxo)pentanoate (338958-01-3)

Guidance literature:

In tetrahydrofuran; for 72h; Heating;

DOI:10.1016/S0040-4039(01)00101-0

Reference yield: 81.0%

5-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-5-hydroxy-pentanoic acid tert-butyl ester (208648-73-1) → 5-(4,4-dimethyl-2,6-dioxocyclohexylidene)-5-hydroxypentanoic acid (208648-74-2)

Guidance literature:

With chlorotriisopropylsilane; water; trifluoroacetic acid; for 3h;

DOI:10.1016/S0040-4039(01)00101-0

upstream raw materials:

5-(tert-butoxy)-5-oxopentanoic acid

dimedone

Downstream raw materials:

tert-butyl 5-(4-hydroxymethylanilino)-5-(4,4-dimethylcyclohexylidene-2,6-dioxo)pentanoate

5-(4,4-dimethyl-2,6-dioxocyclohexylidene)-5-hydroxypentanoic acid