Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester

Base Information

Chemical Name:Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester
CAS No.:117421-52-0
Molecular Formula:C₁₅H₂₀O₃S
Molecular Weight:280.388
Hs Code.:

Synonyms:Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester

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Chemical Property of Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester

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Technology Process of Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester

There total 11 articles about Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl 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: 93.0%

: 117421-41-7
1-hydroxymethyl-5-methyl-5-p-tolylcyclopent-1-ene

: 124-63-0
methanesulfonyl chloride

: 117421-52-0
Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester

Guidance literature:: With triethylamine; In dichloromethane; at 0 ℃; for 0.0833333h;

Reference yield:

: 1821-23-4
1-cyclohex-1-enyl-4-methylbenzene

: 117421-52-0
Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester

Guidance literature:: Multi-step reaction with 10 steps

1: 1.) O₃, 2.) Me₂S / 1.) CH₂Cl₂, -78 deg C, 10 min, 2.) -78 deg C to room t.

2: Jones reagent / acetone / 0.5 h / 0 °C

3: 87.2 percent / 95 percent H₂SO₄ / 5 h / Heating

4: 75 percent / diethyl ether; toluene / 0.5 h / -78 °C

5: 81.5 percent / ZnI₂ / 1,2-dichloro-ethane / 0.17 h / Ambient temperature

6: 1.) BuLi(hexane), (i-Pr)2NH / 1.) THF, -78 deg C, 1 h 2.) THF, -78 deg C, 1 h, to room t.

7: 100 percent / p-MeC₆H₄SO₂N₃, Et₃N / CH₂Cl₂ / 4 h / Ambient temperature

8: multistep reaction; reactions under var. conditions

9: 54.5 percent / DIBAL / toluene / 0.5 h / -78 °C

10: 93 percent / Et₃N / CH₂Cl₂ / 0.08 h / 0 °C

With n-butyllithium; 4-toluenesulfonyl azide; jones reagent; dimethylsulfide; diisobutylaluminium hydride; ozone; triethylamine; diisopropylamine; sulfuric acid; zinc(II) iodide; In diethyl ether; dichloromethane; 1,2-dichloro-ethane; acetone; toluene;

Reference yield:

: 106-38-7
para-bromotoluene

: 117421-52-0
Methanesulfonic acid 5-methyl-5-p-tolyl-cyclopent-1-enylmethyl ester

Guidance literature:: Multi-step reaction with 12 steps

1: 1.) Mg / 1.) THF, room t., 2.) THF, room t., 1 h

2: p-TsOH / benzene / 16 h / Heating

3: 1.) O₃, 2.) Me₂S / 1.) CH₂Cl₂, -78 deg C, 10 min, 2.) -78 deg C to room t.

4: Jones reagent / acetone / 0.5 h / 0 °C

5: 87.2 percent / 95 percent H₂SO₄ / 5 h / Heating

6: 75 percent / diethyl ether; toluene / 0.5 h / -78 °C

7: 81.5 percent / ZnI₂ / 1,2-dichloro-ethane / 0.17 h / Ambient temperature

8: 1.) BuLi(hexane), (i-Pr)2NH / 1.) THF, -78 deg C, 1 h 2.) THF, -78 deg C, 1 h, to room t.

9: 100 percent / p-MeC₆H₄SO₂N₃, Et₃N / CH₂Cl₂ / 4 h / Ambient temperature

10: multistep reaction; reactions under var. conditions

11: 54.5 percent / DIBAL / toluene / 0.5 h / -78 °C

12: 93 percent / Et₃N / CH₂Cl₂ / 0.08 h / 0 °C

With n-butyllithium; 4-toluenesulfonyl azide; jones reagent; dimethylsulfide; diisobutylaluminium hydride; ozone; magnesium; triethylamine; diisopropylamine; sulfuric acid; toluene-4-sulfonic acid; zinc(II) iodide; In diethyl ether; dichloromethane; 1,2-dichloro-ethane; acetone; toluene; benzene;