1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ⁴-sulfanylidene)-5-phenyl-pentane-2,4-dione

Base Information

• Chemical Name: 1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ⁴-sulfanylidene)-5-phenyl-pentane-2,4-dione
• CAS No.: 184166-40-3
• Molecular Formula: C₂₁H₂₄O₄S
• Molecular Weight: 372.485

Synonyms:1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ⁴-sulfanylidene)-5-phenyl-pentane-2,4-dione

Chemical Property of 1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ⁴-sulfanylidene)-5-phenyl-pentane-2,4-dione

Chemical Property:

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Technology Process of 1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ⁴-sulfanylidene)-5-phenyl-pentane-2,4-dione

There total 4 articles about 1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ⁴-sulfanylidene)-5-phenyl-pentane-2,4-dione 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: 94.0%

N-dimethylsulfoniumsuccinimide chloride (39095-38-0) + 1-phenyl-5-(3,4-dimethoxyphenyl)-4-hydroxy-2-pentanone (184166-29-8) → 1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ4-sulfanylidene)-5-phenyl-pentane-2,4-dione (184166-40-3)

Guidance literature:

With N-chloro-succinimide; triethylamine; In dichloromethane; at -70 ℃; for 2h;

DOI:10.1021/jo960887a

Reference yield:

1,2-dimethoxy-4-(2-propenyl)benzene (93-15-2) → 1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ4-sulfanylidene)-5-phenyl-pentane-2,4-dione (184166-40-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 81 percent / 5percent NaOCl, Py / CHCl₃ / 1.5 h / 0 °C

2: 90 percent / H₂, AcOH, H₂O / Raney Ni / methanol / Ambient temperature

3: 94 percent / NCS, Et₃N / CH₂Cl₂ / 2 h / -70 °C

With pyridine; sodium hypochlorite; N-chloro-succinimide; water; hydrogen; acetic acid; triethylamine; nickel; In methanol; dichloromethane; chloroform;

DOI:10.1021/jo960887a

Reference yield:

Phenylacetaldehyde oxime (7028-48-0) → 1-(3,4-Dimethoxy-phenyl)-3-(dimethyl-λ4-sulfanylidene)-5-phenyl-pentane-2,4-dione (184166-40-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 81 percent / 5percent NaOCl, Py / CHCl₃ / 1.5 h / 0 °C

2: 90 percent / H₂, AcOH, H₂O / Raney Ni / methanol / Ambient temperature

3: 94 percent / NCS, Et₃N / CH₂Cl₂ / 2 h / -70 °C

With pyridine; sodium hypochlorite; N-chloro-succinimide; water; hydrogen; acetic acid; triethylamine; nickel; In methanol; dichloromethane; chloroform;

DOI:10.1021/jo960887a

upstream raw materials:

N-dimethylsulfoniumsuccinimide chloride

1-phenyl-5-(3,4-dimethoxyphenyl)-4-hydroxy-2-pentanone

1,2-dimethoxy-4-(2-propenyl)benzene

Phenylacetaldehyde oxime

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