2,4-Cyclopentadiene-1-carboxylicacid,1,3-dimethyl-,methylester(9CI)

Base Information

• Chemical Name: 2,4-Cyclopentadiene-1-carboxylicacid,1,3-dimethyl-,methylester(9CI)
• CAS No.: 71242-68-7
• Molecular Formula: C₉H₁₂O₂
• Molecular Weight: 152.193
• Mol file: 71242-68-7.mol

Synonyms:2,4-Cyclopentadiene-1-carboxylicacid,1,3-dimethyl-,methylester(9CI)

Chemical Property of 2,4-Cyclopentadiene-1-carboxylicacid,1,3-dimethyl-,methylester(9CI)

Chemical Property:

• PSA: 26.30000
• LogP: 1.68180

Purity/Quality:

85.0-99.8% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,4-Cyclopentadiene-1-carboxylicacid,1,3-dimethyl-,methylester(9CI)

There total 5 articles about 2,4-Cyclopentadiene-1-carboxylicacid,1,3-dimethyl-,methylester(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:

methyl 2,endo-5-dimethylbicyclo<2.1.0>pent-2-ene-exo-5-carboxylate (71215-50-4,71242-67-6) → 2,5-Dimethyl-1,3-cyclopentadien-5-carbonsaeure-methylester (71242-68-7) + 1,5-Dimethyl-1,3-cyclopentadien-5-carbonsaeure-methylester (71215-52-6)

Guidance literature:

In tetrachloromethane; at 50.2 ℃; for 9.18333h; Rate constant; Thermodynamic data; ΔG(excit.);

Reference yield:

methyl 1,exo-5-dimethylbicyclo<2.1.0>pent-2-ene-endo-5-carboxylate (71215-49-1,71242-66-5) → 2,5-Dimethyl-1,3-cyclopentadien-5-carbonsaeure-methylester (71242-68-7) + 1,5-Dimethyl-1,3-cyclopentadien-5-carbonsaeure-methylester (71215-52-6) + methyl 2,exo-5-dimethylbicyclo<2.1.0>pent-2-ene-endo-5-carboxylate (71215-50-4,71242-67-6)

Guidance literature:

In tetrachloromethane; at 0 ℃; for 87.9h; Rate constant; Thermodynamic data; ΔG(excit.);

Reference yield:

1,3-dimethyl-2-oxo-cyclopentanecarboxylic acid methyl ester (15585-44-1) → 2,5-Dimethyl-1,3-cyclopentadien-5-carbonsaeure-methylester (71242-68-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 81 percent / NaBH₄ / methanol

With sodium tetrahydroborate; In methanol;

upstream raw materials:

2-Hydroxy-1,3-dimethylcyclopentancarbonsaeure-methylester

methyl 2,endo-5-dimethylbicyclo<2.1.0>pent-2-ene-exo-5-carboxylate

methyl 2,exo-5-dimethylbicyclo<2.1.0>pent-2-ene-endo-5-carboxylate

methyl 1,exo-5-dimethylbicyclo<2.1.0>pent-2-ene-endo-5-carboxylate

Downstream raw materials:

methyl 2,endo-5-dimethylbicyclo<2.1.0>pent-2-ene-exo-5-carboxylate

methyl 2,exo-5-dimethylbicyclo<2.1.0>pent-2-ene-endo-5-carboxylate

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