methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester

Base Information

• Chemical Name: methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester
• CAS No.: 338740-57-1
• Molecular Formula: C₂₂H₂₂O₁₁S₂
• Molecular Weight: 526.542

Synonyms:methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester

Chemical Property of methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester

Chemical Property:

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Technology Process of methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester

There total 8 articles about methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl 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: 84.0%

methanesulfonyl chloride (124-63-0) + 3-[3,4-bis-(2-hydroxy-ethoxy)-benzoyl]-chromen-2-one (338740-53-7) → methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester (338740-57-1)

Guidance literature:

With triethylamine; In dichloromethane; for 0.333333h;

DOI:10.1016/S0040-4020(01)00168-5

Reference yield:

1-(3,4-dihydroxyphenyl)ethan-1-one (1197-09-7) → methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester (338740-57-1)

Guidance literature:

Multi-step reaction with 7 steps

2: Amberlist-15

3: LiAlH₄

4: Amberlist-15 / H₂O

5: 87 percent / potassium tert-butoxide / 4 h / ultrasonic irradiation

6: 72 percent / piperidine / ethanol / 4 h / Heating

7: 84 percent / triethylamine / CH₂Cl₂ / 0.33 h

With piperidine; lithium aluminium tetrahydride; Amberlist-15; potassium tert-butylate; triethylamine; In ethanol; dichloromethane; water; 5: Claisen condensation;

DOI:10.1016/S0040-4020(01)00168-5

Reference yield:

3-[3,4-bis-(2-hydroxy-ethoxy)-phenyl]-3-oxo-propionic acid ethyl ester (338740-52-6) → methanesulfonic acid 2-[2-(2-methanesulfonyloxyethoxy)-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl ester (338740-57-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 72 percent / piperidine / ethanol / 4 h / Heating

2: 84 percent / triethylamine / CH₂Cl₂ / 0.33 h

With piperidine; triethylamine; In ethanol; dichloromethane;

DOI:10.1016/S0040-4020(01)00168-5

upstream raw materials:

methanesulfonyl chloride

3-[3,4-bis-(2-hydroxy-ethoxy)-benzoyl]-chromen-2-one

1-(3,4-dihydroxyphenyl)ethan-1-one

1-[3,4-bis(2-hydroxy-ethoxy)-phenyl]-ethanone

Downstream raw materials:

({2-[2-[2-(bis-tert-butoxycarbonylmethyl-amino)-ethoxy]-5-(2-oxo-2H-chromene-3-carbonyl)-phenoxy]-ethyl}-tert-butoxycarbonylmethyl-amino)-acetic acid tert-butyl ester

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