4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester

Base Information

Chemical Name:4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester
CAS No.:123267-30-1
Molecular Formula:C₂₂H₁₈O₁₀S₂
Molecular Weight:506.511
Hs Code.:

Synonyms:4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester

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Chemical Property of 4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester

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Technology Process of 4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester

There total 1 articles about 4,5-Bis-benzenesulfonyloxy-phthalic 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: 87.0%

: 66323-03-3
4,5-bis(hydroxy)phthalic acid dimethyl ester

: 98-09-9
benzenesulfonyl chloride

: 123267-30-1
4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester

Guidance literature:: With calcium hydroxide; In water; for 45h; Ambient temperature;
DOI:10.1021/jo00285a022

Reference yield: 93.0%

: 123267-30-1
4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester

: 123267-31-2
dimethyl 4-((phenylsulfonyl)oxy)-5-hydroxyphthalate

Guidance literature:: With potassium hydroxide; In methanol; at 40 - 45 ℃; for 30h;
DOI:10.1021/jo00285a022

Reference yield:

: 123267-30-1
4,5-Bis-benzenesulfonyloxy-phthalic acid dimethyl ester

: 123267-34-5
4-((phenylsulfonyl)oxy)-5-methoxyphthalimide

Guidance literature:: Multi-step reaction with 4 steps

1: 93 percent / KOH / methanol / 30 h / 40 - 45 °C

2: 96 percent / K₂CO₃ / dimethylformamide / 20 h / Ambient temperature

3: 98 percent / conc. HCl / H₂O; acetic acid / 4 h / Heating

4: 77 percent / ethyl carbamate / 65 h / 150 - 160 °C

With hydrogenchloride; potassium hydroxide; potassium carbonate; urethane; In methanol; water; acetic acid; N,N-dimethyl-formamide;
DOI:10.1021/jo00285a022