Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester

Base Information

Chemical Name:Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester
CAS No.:914251-61-9
Molecular Formula:C₂₄H₂₄N₂O₈S₂
Molecular Weight:532.595
Hs Code.:

Synonyms:Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester

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Chemical Property of Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester

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Technology Process of Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester

There total 6 articles about Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl 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: 80.0%

: 914251-60-8
(E)-6-{2-[2-(4-Hydroxy-but-2-ynyloxy)-phenylazo]-phenoxy}-hex-4-en-2-yn-1-ol

: 124-63-0
methanesulfonyl chloride

: 914251-61-9
Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester

Guidance literature:: With triethylamine; In dichloromethane;
DOI:10.1039/b606653d

Reference yield:

: 914251-55-1
(E)-6-(Tetrahydro-pyran-2-yloxy)-hex-2-en-4-yn-1-ol

: 914251-61-9
Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 80 percent / Et₃N / CH₂Cl₂ / 0 °C

2: 60 percent / Cs₂CO₃ / acetonitrile

3: 80 percent / Cs₂CO₃ / acetonitrile

4: 70 percent / PPTS / ethanol

5: 80 percent / Et₃N / CH₂Cl₂

With pyridinium p-toluenesulfonate; caesium carbonate; triethylamine; In ethanol; dichloromethane; acetonitrile;
DOI:10.1039/b606653d

Reference yield:

: 914251-54-0
(E)-6-(Tetrahydro-pyran-2-yloxy)-hex-2-en-4-ynoic acid ethyl ester

: 914251-61-9
Methanesulfonic acid 4-{2-[2-((E)-6-methanesulfonyloxy-hex-2-en-4-ynyloxy)-phenylazo]-phenoxy}-but-2-ynyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 75 percent / DIBAL-H / tetrahydrofuran / -78 - 20 °C

2: 80 percent / Et₃N / CH₂Cl₂ / 0 °C

3: 60 percent / Cs₂CO₃ / acetonitrile

4: 80 percent / Cs₂CO₃ / acetonitrile

5: 70 percent / PPTS / ethanol

6: 80 percent / Et₃N / CH₂Cl₂

With pyridinium p-toluenesulfonate; diisobutylaluminium hydride; caesium carbonate; triethylamine; In tetrahydrofuran; ethanol; dichloromethane; acetonitrile;
DOI:10.1039/b606653d