Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester

Base Information

• Chemical Name: Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester
• CAS No.: 157942-46-6
• Molecular Formula: C₁₉H₂₈O₅
• Molecular Weight: 336.428
• Mol file: 157942-46-6.mol

Synonyms:Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester

Chemical Property of Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester

There total 2 articles about Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl 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: 50.0%

<1R,4S,5R-(E)>-4-(5-Acetoxy-3-methylpent-3-en-1-ynyl)-4-hydroxy-3,3,5-trimethylcyclohexyl acetate (70905-70-3) → 2-trans-5-<(4'R)-4'-acetoxy-2',6',6'-trimethylcyclohex-1'-enyl>-3-methyl-2-penten-4-yn-1-yl acetate (70905-69-0) + Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(Z)-ylidene]-3,3,5-trimethyl-cyclohexyl ester (157942-40-0) + Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester (157942-46-6)

Guidance literature:

With toluene-4-sulfonic acid; tetrabutylammonium perrhenate; In dichloromethane; Ambient temperature;

DOI:10.1248/cpb.42.410

Reference yield: 39.0%

<1R,4R,5R-(E)>-4-(5-Acetoxy-3-methylpent-3-en-1-ynyl)-4-hydroxy-3,3,5-trimethylcyclohexyl acetate (152187-03-6) → Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(Z)-ylidene]-3,3,5-trimethyl-cyclohexyl ester (157942-40-0) + Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester (157942-46-6)

Guidance literature:

With toluene-4-sulfonic acid; tetrabutylammonium perrhenate; In dichloromethane; for 10h; Ambient temperature;

Reference yield: 81.0%

Acetic acid (1R,5R)-4-[(E)-5-acetoxy-3-methyl-2-oxo-pent-3-en-(E)-ylidene]-3,3,5-trimethyl-cyclohexyl ester (157942-46-6) → Acetic acid (R)-4-((E)-5-acetoxy-3-methyl-2-oxo-pent-3-enyl)-3,5,5-trimethyl-cyclohex-3-enyl ester (157942-41-1)

Guidance literature:

With tris-(triphenylsiloxy)-vanadium oxide; benzoic acid; triphenylhydroxysilane; In xylene; Heating;

DOI:10.1248/cpb.42.410

upstream raw materials:

<1R,4S,5R-(E)>-4-(5-Acetoxy-3-methylpent-3-en-1-ynyl)-4-hydroxy-3,3,5-trimethylcyclohexyl acetate

<1R,4R,5R-(E)>-4-(5-Acetoxy-3-methylpent-3-en-1-ynyl)-4-hydroxy-3,3,5-trimethylcyclohexyl acetate

Downstream raw materials:

Acetic acid (R)-4-((E)-5-acetoxy-3-methyl-2-oxo-pent-3-enyl)-3,5,5-trimethyl-cyclohex-3-enyl ester

halocyanthiaxanthin

(2E,4E,6E,8E,10E)-2,7,11-trimethyl-12-oxo-13-<2,6,6-trimethyl-4-(triethylsiloxy)cyclohex-1-enyl>trideca-2,4,6,8,10-pentaenal

(2E,4E,6E,8Z,10E)-13-(4-hydroxy-2,6,6-trimethylcyclohex-1-enyl)-2,7,11-trimethyl-12-oxotrideca-2,4,6,8,10-pentaenal