1-(1-Methylpropylidene)-2,4-cyclopentadiene

Base Information

• Chemical Name: 1-(1-Methylpropylidene)-2,4-cyclopentadiene
• CAS No.: 3141-02-4
• Molecular Formula: C₉H₁₂
• Molecular Weight: 120.194
• Hs Code.: 2902199090
• Mol file: 3141-02-4.mol

Synonyms:6-ethyl-6-methylpentafulvene;6-methyl-6'-ethyl fulvene;5-sec-Butyliden-cyclopenta-1,3-dien;5-sec-butylidene-cyclopenta-1,3-diene;6-ethyl-6-methylfulvene;1,3-Cyclopentadiene,5-sec-butylidene;methyl-ethyl-fulvene;

Chemical Property of 1-(1-Methylpropylidene)-2,4-cyclopentadiene

Chemical Property:

• PSA: 0.00000
• LogP: 2.83890

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(1-Methylpropylidene)-2,4-cyclopentadiene

There total 4 articles about 1-(1-Methylpropylidene)-2,4-cyclopentadiene 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: 91.0%

cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8) + butanone (78-93-3) → 6-methyl-6-ethylfulvene (3141-02-4)

Guidance literature:

cyclopenta-1,3-diene; butanone; With 2-pyrrolidinon; In methanol;

With acetic acid; In methanol; water;

DOI:10.1039/c3ob00033h

Reference yield: 91.0%

butanone (78-93-3) → 6-methyl-6-ethylfulvene (3141-02-4)

Guidance literature:

In 1,2-dimethoxyethane; at 80 ℃; for 4h;

DOI:10.1016/S0040-4039(00)88478-6

Reference yield: 51.0%

pyrrolidine (123-75-1) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8) → 6-methyl-6-ethylfulvene (3141-02-4)

Guidance literature:

In methanol; water; butanone;

upstream raw materials:

cyclopenta-1,3-diene

butanone

pyrrolidine

Downstream raw materials:

TiCl₂(C₅H₄C(CH₃)(C₂H₅)C₆H₅)(C₅H₄CH₂CH(CH₂)3O)

TiCl₂(C₅H₅)(C₅H₄C(CH₃)(C₂H₅)C₆H₄OCH₃)

TiCl₂(C₅H₄C(CH₃)(C₂H₅)C₆H₄OCH₃)2

Refernces

• 1、 Hoffmann, H. M. R.,Koch, Oskar. "Regioselective Preparation of Vinylcyclopentadienes and Selected Cycloadditions". . p. 2939 - 2944. Retrieved 1986.
• 2、 Qian, Changtao,Qiu, Aineng. "REACTION OF DICYCLOPENTADIENYLYTTRIUM CHLORIDE WITH ALDEHYDES AND KETONES. A NOVEL CLEAVAGE REACTION OF Cp-Y ?-BOND". . p. 6931 - 6934. Retrieved 2007/10/02.