(S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol

Base Information

• Chemical Name: (S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol
• CAS No.: 502694-40-8
• Molecular Formula: C₂₉H₄₄O
• Molecular Weight: 408.668
• Mol file: 502694-40-8.mol

Synonyms:(S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol

Chemical Property of (S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol

There total 3 articles about (S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol 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: 64.0%

(7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-5-[2-[(1R,3aS,7aR)-7a-methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-3,5,6,7,8,8a-hexahydro-2H-benzo[e][1,2]oxasiline (502694-33-9) → (S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol (502694-40-8)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 25 ℃; for 15h;

DOI:10.1021/ol027406w

Reference yield:

1(S),3(R)-3-(tert-butyldimethylsilyl)-9,10-secoergosta-5(E),7(E),10(19),22(E)-tetraene-1-ol (115540-27-7,132152-22-8,112670-78-7) → (S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol (502694-40-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 76 percent / Et₃N / CH₂Cl₂ / 15 h / 25 °C

2: 82 percent / ruthenium carbene / CH₂Cl₂ / 3 h / Heating

3: 64 percent / Bu₄NF / tetrahydrofuran / 15 h / 25 °C

With ruthenium carbene; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane;

DOI:10.1021/ol027406w

Reference yield:

(1R,3aS,7aR)-4-[2-[(3S,5R)-3-(Allyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(E)-ylidene]-eth-(E)-ylidene]-7a-methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-indene (502694-31-7) → (S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-4-vinyl-cyclohex-3-enol (502694-40-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 82 percent / ruthenium carbene / CH₂Cl₂ / 3 h / Heating

2: 64 percent / Bu₄NF / tetrahydrofuran / 15 h / 25 °C

With ruthenium carbene; tetrabutyl ammonium fluoride; In tetrahydrofuran; dichloromethane;

DOI:10.1021/ol027406w

upstream raw materials:

(7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-5-[2-[(1R,3aS,7aR)-7a-methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-3,5,6,7,8,8a-hexahydro-2H-benzo[e][1,2]oxasiline

1(S),3(R)-3-(tert-butyldimethylsilyl)-9,10-secoergosta-5(E),7(E),10⁽¹⁹⁾,22(E)-tetraene-1-ol

(1R,3aS,7aR)-4-[2-[(3S,5R)-3-(Allyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(E)-ylidene]-eth-(E)-ylidene]-7a-methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-indene