(E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one

Base Information

• Chemical Name: (E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one
• CAS No.: 881920-92-9
• Molecular Formula: C₂₁H₃₀O
• Molecular Weight: 298.469
• Mol file: 881920-92-9.mol

Synonyms:(E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one

Chemical Property of (E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one

There total 1 articles about (E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one 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: 87.0%

(S,E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-ol (289909-48-4) → (E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one (881920-92-9)

Guidance literature:

With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide; In dichloromethane; at 20 ℃; for 0.583333h;

DOI:10.1021/ol053061g

Reference yield:

(E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one (881920-92-9) → (R,E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-ol (289909-72-4)

Guidance literature:

With lithium triethylborohydride; In tetrahydrofuran; at -78 ℃; for 0.333333h;

DOI:10.1021/ol053061g

Reference yield:

(E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-one (881920-92-9) → ((S,E)-2-isocyanato-4-((1S,2S,4R)-2-isopropyl-5-methylcyclohexyl)-2-methylbut-3-en-2-yl)benzene

Guidance literature:

Multi-step reaction with 4 steps

1: 125 mg / lithium triethylborohydride / tetrahydrofuran / 0.33 h / -78 °C

2: CH₂Cl₂ / 1 h / 0 °C

3: 125 mg / potassium carbonate / methanol; H₂O / 0 - 23 °C

4: 99 percent / trifluoroacetic anhydride; triethylamine / CH₂Cl₂ / 0.25 h / 0 °C

With lithium triethylborohydride; potassium carbonate; triethylamine; trifluoroacetic anhydride; In tetrahydrofuran; methanol; dichloromethane; water;

DOI:10.1021/ol053061g

upstream raw materials:

(S,E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-ol

Downstream raw materials:

(R,E)-3-benzyl-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)but-2-en-1-ol

(R,E)-1-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)-3-methyl-4-phenylbut-2-enyl carbamate