7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one

Base Information

• Chemical Name: 7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one
• CAS No.: 307548-97-6
• Molecular Formula: C₂₁H₁₇ClO₄
• Molecular Weight: 368.817

Synonyms:7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one

Chemical Property of 7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one

Chemical Property:

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Technology Process of 7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one

There total 3 articles about 7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one 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: 89.0%

7-hydroxy-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one (55047-28-4) + 4-chlorobenzoylmethyl bromide (536-38-9) → 7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one (307548-97-6)

Guidance literature:

With potassium carbonate; In acetone; at 50 - 56 ℃;

DOI:10.1023/A:1020423826071

Reference yield:

2-methylbenzene-1,3-diol (608-25-3) → 7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one (307548-97-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 74 percent / H₂SO₄ / ethanol / 0 - 20 °C

2: 89 percent / K₂CO₃ / acetone / 50 - 56 °C

With sulfuric acid; potassium carbonate; In ethanol; acetone; 1: Pechmann condensation / 2: Williamson reaction;

DOI:10.1023/A:1020423826071

Reference yield:

2-ethoxycarbonyl-1-cyclopentanone (611-10-9) → 7-[2-(4-chlorophenyl)-2-oxoethoxy]-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one (307548-97-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 74 percent / H₂SO₄ / ethanol / 0 - 20 °C

2: 89 percent / K₂CO₃ / acetone / 50 - 56 °C

With sulfuric acid; potassium carbonate; In ethanol; acetone; 1: Pechmann condensation / 2: Williamson reaction;

DOI:10.1023/A:1020423826071

upstream raw materials:

7-hydroxy-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one

4-chlorobenzoylmethyl bromide

2-methylbenzene-1,3-diol

2-ethoxycarbonyl-1-cyclopentanone

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