(E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester

Base Information

• Chemical Name: (E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester
• CAS No.: 753016-43-2
• Molecular Formula: C₁₆H₂₂O₃
• Molecular Weight: 262.349
• Mol file: 753016-43-2.mol

Synonyms:(E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester

Chemical Property of (E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester

There total 1 articles about (E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl 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: 68.0%

(E)-(3'-bromo-but-2'-enyloxymethyl)-benzene (157733-27-2) + C5H9ClO2Zn → (E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester (753016-43-2)

Guidance literature:

dichlorobis(tri-O-tolylphosphine)palladium; In tetrahydrofuran; at 20 ℃; for 96h;

DOI:10.1021/ol049219z

Reference yield: 96.0%

(E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester (753016-43-2) → (E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-en-1-ol (753016-63-6)

Guidance literature:

With diisobutylaluminium hydride; In hexane; dichloromethane; at -78 - 45 ℃;

DOI:10.1021/ol049219z

Reference yield:

(E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enoic acid methyl ester (753016-43-2) → (4R,5S)-4-[(E)-(1R,2R,3S)-7-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-1,3,5-trimethyl-hept-5-enyl]-2,2-dimethyl-[1,3]dioxane-5-carbaldehyde (753016-47-6)

Guidance literature:

Multi-step reaction with 9 steps

1.1: 96 percent / DIBAL / CH₂Cl₂; hexane / -78 - 45 °C

2.1: 100 percent / Dess-Martin periodinane / CH₂Cl₂ / 0.33 h / 20 °C

3.1: Sn(OTf)2; Et₃N / CH₂Cl₂ / 3 h / -78 °C

3.2: 77 percent / CH₂Cl₂ / 6 h / -78 °C

4.1: diethylmethoxyborane / tetrahydrofuran; methanol / 0.25 h / 20 °C

4.2: 73 percent / NaBH₄ / tetrahydrofuran; methanol / 48 h / -78 °C

5.1: 92 percent / TBAF / tetrahydrofuran / 4 h / 20 °C

6.1: 86 percent / PPTS / CH₂Cl₂ / 0.5 h / 20 °C

7.1: 94 percent / 2,6-lutidine / CH₂Cl₂ / 3 h / 0 °C

8.1: 68 percent / DDQ / CH₂Cl₂; aq. phosphate buffer / 6 h / 0 °C / pH 7

9.1: 67.4 mg / Dess-Martin periodinane / CH₂Cl₂ / 1.5 h / 20 °C

With 2,6-dimethylpyridine; tin(II) trifluoromethanesulfonate; diethyl methoxy borane; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; Dess-Martin periodane; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; methanol; phosphate buffer; hexane; dichloromethane; 3.2: Paterson's stereoselective aldol reaction;

DOI:10.1021/ol049219z

upstream raw materials:

(E)-(3'-bromo-but-2'-enyloxymethyl)-benzene

Downstream raw materials:

(E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-en-1-ol

(E)-(S)-6-Benzyloxy-2,4-dimethyl-hex-4-enal

(4R,5S)-4-[(E)-(1R,2R,3S)-7-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-1,3,5-trimethyl-hept-5-enyl]-2,2-dimethyl-[1,3]dioxane-5-carbaldehyde

(E)-(2R,3S,4S,5R,6S)-10-Benzyloxy-2-(4-methoxy-benzyloxymethyl)-4,6,8-trimethyl-dec-8-ene-1,3,5-triol