2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole

Base Information

• Chemical Name: 2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole
• CAS No.: 339541-02-5
• Molecular Formula: C₁₈H₂₃NO₂S
• Molecular Weight: 317.452
• Mol file: 339541-02-5.mol

Synonyms:2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole

Chemical Property of 2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole

There total 1 articles about 2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole 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:

4-methyl-N-prop-2-ynylbenzenesulfonamide (55022-46-3) → 2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole (339541-02-5)

Guidance literature:

Multi-step reaction with 2 steps

1.1: NaH / tetrahydrofuran; dimethylformamide / 20 °C

1.2: 99 percent / tetrahydrofuran; dimethylformamide / 40 °C

2.1: 78 percent / (Cy₃P)2RuCl₂(=CHPh) / CH₂Cl₂ / 4 h / 20 °C / 760.05 Torr

With sodium hydride; Grubbs catalyst first generation; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/j.tet.2004.05.030

Reference yield: 84.0%

methyl vinyl ketone (78-94-4,25038-87-3) + 2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole (339541-02-5) → (E)-7-[4-((E)-3-Oxo-but-1-enyl)-1-(toluene-4-sulfonyl)-2,5-dihydro-1H-pyrrol-2-yl]-hept-3-en-2-one

Guidance literature:

phosphine-free ruthenium; In dichloromethane; at 45 ℃; for 3h;

DOI:10.1016/j.tetlet.2004.11.154

Reference yield: 68.0%

methyl vinyl ketone (78-94-4,25038-87-3) + 2-pent-4-enyl-1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrole (339541-02-5) → 7-[1-(toluene-4-sulfonyl)-4-vinyl-2,5-dihydro-1H-pyrrol-2-yl]-hept-3-en-2-one

Guidance literature:

phosphine-free ruthenium; In dichloromethane; at 45 ℃; for 3h;

DOI:10.1016/j.tetlet.2004.11.154

upstream raw materials:

4-methyl-N-prop-2-ynylbenzenesulfonamide