N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide

Base Information

Chemical Name:N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide
CAS No.:922178-20-9
Molecular Formula:C₂₄H₂₉NO₅SSi
Molecular Weight:471.649
Hs Code.:

Synonyms:N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide

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Technology Process of N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide

There total 6 articles about N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide 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: 46.0%

: 872221-70-0
N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-4-methylbenzenesulfonamide

: 4672-74-6
propiolic acid anhydride

: 922178-20-9
N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide

Guidance literature:: With n-butyllithium; In tetrahydrofuran; at 0 - 20 ℃;
DOI:10.1139/V06-078

Reference yield:

: 67451-62-1,82683-92-9,132958-32-8,130792-45-9
cis-(1S,2S)-1,2-dihydroxy-3-bromocyclohexa-3,5-diene

: 922178-20-9
N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide

Guidance literature:: Multi-step reaction with 5 steps

1.1: p-toluenesulfonic acid / acetone / 20 °C

2.1: Cu(acac)2 / acetonitrile / 0 - 20 °C

3.1: n-Bu₃SnH; 2,2'-azobisisobutyronitrile / tetrahydrofuran / Heating

4.1: n-BuLi / toluene / 0.17 h / 0 °C

4.2: AlCl₃ / toluene / 18 h / 0 - 20 °C

5.1: 46 percent / n-BuLi / tetrahydrofuran / 0 - 20 °C

With n-butyllithium; 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; toluene-4-sulfonic acid; copper acetylacetonate; In tetrahydrofuran; acetone; toluene; acetonitrile;
DOI:10.1139/V06-078

Reference yield:

: 130669-75-9
(3aS,7aS)-4-bromo-2,2-dimethyl-3a,7a-dihydro-1,3-benzodioxole

: 922178-20-9
N-[(1R,2R,5R,6S)-2-(2-trimethylsilylethynyl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-propioloyl-4-methylbenzenesulfonamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: Cu(acac)2 / acetonitrile / 0 - 20 °C

2.1: n-Bu₃SnH; 2,2'-azobisisobutyronitrile / tetrahydrofuran / Heating

3.1: n-BuLi / toluene / 0.17 h / 0 °C

3.2: AlCl₃ / toluene / 18 h / 0 - 20 °C

4.1: 46 percent / n-BuLi / tetrahydrofuran / 0 - 20 °C

With n-butyllithium; 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; copper acetylacetonate; In tetrahydrofuran; toluene; acetonitrile;
DOI:10.1139/V06-078