2-Cyclopentene-1-acetaldehyde,1-methyl-3-(1-methylethyl)-,(1S)-(9CI)

Base Information

• Chemical Name: 2-Cyclopentene-1-acetaldehyde,1-methyl-3-(1-methylethyl)-,(1S)-(9CI)
• CAS No.: 616206-00-9
• Molecular Formula: C11H18O
• Molecular Weight: 166.263
• Mol file: 616206-00-9.mol

Synonyms:2-Cyclopentene-1-acetaldehyde,1-methyl-3-(1-methylethyl)-,(1S)-(9CI)

Chemical Property of 2-Cyclopentene-1-acetaldehyde,1-methyl-3-(1-methylethyl)-,(1S)-(9CI)

Chemical Property:

• PSA: 17.07000
• LogP: 2.95790

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-Cyclopentene-1-acetaldehyde,1-methyl-3-(1-methylethyl)-,(1S)-(9CI)

There total 5 articles about 2-Cyclopentene-1-acetaldehyde,1-methyl-3-(1-methylethyl)-,(1S)-(9CI) 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: 70.0%

2-((S)-3-Isopropyl-1-methyl-cyclopent-2-enylmethyl)-[1,3]dioxolane (616205-99-3) → ((S)-3-Isopropyl-1-methyl-cyclopent-2-enyl)-acetaldehyde (616206-00-9)

Guidance literature:

With hydrogenchloride; In tetrahydrofuran; at 20 ℃; for 6h;

DOI:10.1016/S0040-4039(03)01754-4

Reference yield:

(-)-(2S,5S)-5-isopropyl-2-methyl-2-(2-oxoethyl)methylenecyclopentane (117152-55-3) → ((S)-3-Isopropyl-1-methyl-cyclopent-2-enyl)-acetaldehyde (616206-00-9)

Guidance literature:

Multi-step reaction with 5 steps

1: 95 percent / TMSOTf / CH₂Cl₂ / -78 °C

2: 60 percent / O₃ / methanol / -78 °C

3: 95 percent / NaBH₄ / methanol / 0 °C

4: 50 percent / POCl₃ / pyridine / 2 h / 0 - 20 °C

5: 70 percent / HCl / tetrahydrofuran / 6 h / 20 °C

With hydrogenchloride; sodium tetrahydroborate; trimethylsilyl trifluoromethanesulfonate; ozone; trichlorophosphate; In tetrahydrofuran; pyridine; methanol; dichloromethane;

DOI:10.1016/S0040-4039(03)01754-4

Reference yield:

(2S,5S)-2-[1,3]Dioxolan-2-ylmethyl-5-isopropyl-2-methyl-cyclopentanone (616205-98-2) → ((S)-3-Isopropyl-1-methyl-cyclopent-2-enyl)-acetaldehyde (616206-00-9)

Guidance literature:

Multi-step reaction with 3 steps

1: 95 percent / NaBH₄ / methanol / 0 °C

2: 50 percent / POCl₃ / pyridine / 2 h / 0 - 20 °C

3: 70 percent / HCl / tetrahydrofuran / 6 h / 20 °C

With hydrogenchloride; sodium tetrahydroborate; trichlorophosphate; In tetrahydrofuran; pyridine; methanol;

DOI:10.1016/S0040-4039(03)01754-4

upstream raw materials:

2-((S)-3-Isopropyl-1-methyl-cyclopent-2-enylmethyl)-[1,3]dioxolane

(-)-(2S,5S)-5-isopropyl-2-methyl-2-(2-oxoethyl)methylenecyclopentane

(2S,5S)-2-[1,3]Dioxolan-2-ylmethyl-5-isopropyl-2-methyl-cyclopentanone

(2S,5S)-2-[1,3]Dioxolan-2-ylmethyl-5-isopropyl-2-methyl-cyclopentanol

Downstream raw materials:

(S)-trifluoromethanesulfonic acid 2-[2-(3-isopropyl-1-methylcyclopent-2-enyl)acetyl]-3-methoxy-5-methylphenyl ester

Trifluoro-methanesulfonic acid 2-[2-((S)-3-isopropyl-1-methyl-cyclopent-2-enyl)-acetyl]-3-methoxy-phenyl ester

2-((S)-3-Isopropyl-1-methyl-cyclopent-2-enyl)-1-(2-methoxy-6-methoxymethoxy-4-methyl-phenyl)-ethanone

2-((S)-3-Isopropyl-1-methyl-cyclopent-2-enyl)-1-(2-methoxy-6-methoxymethoxy-phenyl)-ethanone