3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ⁶-thiopyran-4,4-dicarboxylic acid dimethyl ester

Base Information

• Chemical Name: 3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ⁶-thiopyran-4,4-dicarboxylic acid dimethyl ester
• CAS No.: 358975-42-5
• Molecular Formula: C₂₁H₁₉ClO₆S
• Molecular Weight: 434.897

Synonyms:3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ⁶-thiopyran-4,4-dicarboxylic acid dimethyl ester

Chemical Property of 3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ⁶-thiopyran-4,4-dicarboxylic acid dimethyl ester

Chemical Property:

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Technology Process of 3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ⁶-thiopyran-4,4-dicarboxylic acid dimethyl ester

There total 3 articles about 3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ⁶-thiopyran-4,4-dicarboxylic acid dimethyl ester 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: 69.0%

malonic acid dimethyl ester (108-59-8) + 1-Chloro-4-[(E)-2-(2-phenyl-ethynesulfonyl)-vinyl]-benzene → 3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ6-thiopyran-4,4-dicarboxylic acid dimethyl ester (358975-42-5)

Guidance literature:

With N-benzyl-trimethylammonium hydroxide; In benzene; Heating;

Reference yield:

2(E)-(4-chlorophenyl)ethenesulfonyl chloride (52147-98-5) → 3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ6-thiopyran-4,4-dicarboxylic acid dimethyl ester (358975-42-5)

Guidance literature:

Multi-step reaction with 2 steps

1.1: Na / diethyl ether / 0.75 h

1.2: 82 percent / diethyl ether / 16 h / 20 °C

2.1: 69 percent / Triton-B / benzene / Heating

With sodium; N-benzyl-trimethylammonium hydroxide; In diethyl ether; benzene;

Reference yield:

phenylacetylene (536-74-3) → 3-(4-chloro-phenyl)-1,1-dioxo-5-phenyl-2,3-dihydro-1H-1λ6-thiopyran-4,4-dicarboxylic acid dimethyl ester (358975-42-5)

Guidance literature:

Multi-step reaction with 2 steps

1.1: Na / diethyl ether / 0.75 h

1.2: 82 percent / diethyl ether / 16 h / 20 °C

2.1: 69 percent / Triton-B / benzene / Heating

With sodium; N-benzyl-trimethylammonium hydroxide; In diethyl ether; benzene;

upstream raw materials:

malonic acid dimethyl ester

2(E)-(4-chlorophenyl)ethenesulfonyl chloride

phenylacetylene

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