4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester

Base Information

Chemical Name:4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester
CAS No.:189232-15-3
Molecular Formula:C₂₁H₂₈O₂S
Molecular Weight:344.518
Hs Code.:

Synonyms:4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester

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Chemical Property of 4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester

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Technology Process of 4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester

There total 7 articles about 4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-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:

: 189232-12-0
(R)-2,5-Dimethyl-cyclopent-1-enecarboxylic acid ethyl ester

: 189232-15-3
4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: DIBA-H / hexane / 3 h / -78 °C

2: (COCl)2 / dimethylformamide / 2.5 h / 0 °C

3: 70 percent / ZnCl₂ / CH₂Cl₂ / 4 h / -50 - 0 °C

4: tetrahydrofuran / 1 h / -78 - -20 °C

5: NEt₃ / CH₂Cl₂ / 3 h / -78 deg C to r.t.

With oxalyl dichloride; diisobutylaluminium hydride; triethylamine; zinc(II) chloride; In tetrahydrofuran; hexane; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(97)00475-9

Reference yield:

: 189232-14-2
(R)-2-Chloromethyl-1,3-dimethyl-cyclopentene

: 189232-15-3
4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 70 percent / ZnCl₂ / CH₂Cl₂ / 4 h / -50 - 0 °C

2: tetrahydrofuran / 1 h / -78 - -20 °C

3: NEt₃ / CH₂Cl₂ / 3 h / -78 deg C to r.t.

With triethylamine; zinc(II) chloride; In tetrahydrofuran; dichloromethane;
DOI:10.1016/S0040-4039(97)00475-9

Reference yield:

: 189232-13-1
((R)-2,5-Dimethyl-cyclopent-1-enyl)-methanol

: 189232-15-3
4-Methyl-benzenesulfinic acid 1-[2-((R)-2,5-dimethyl-cyclopent-1-enyl)-1,1-dimethyl-ethyl]-prop-2-ynyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: (COCl)2 / dimethylformamide / 2.5 h / 0 °C

2: 70 percent / ZnCl₂ / CH₂Cl₂ / 4 h / -50 - 0 °C

3: tetrahydrofuran / 1 h / -78 - -20 °C

4: NEt₃ / CH₂Cl₂ / 3 h / -78 deg C to r.t.

With oxalyl dichloride; triethylamine; zinc(II) chloride; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(97)00475-9