N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide

Base Information

• Chemical Name: N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide
• CAS No.: 259218-91-2
• Molecular Formula: C₁₆H₂₁NO₃S
• Molecular Weight: 307.414
• Mol file: 259218-91-2.mol

Synonyms:N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide

Chemical Property of N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide

There total 3 articles about N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-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: 86.0%

N-tosyl-N-allylpropargylamine (133886-40-5) + acetone (67-64-1) → N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide (259218-91-2)

Guidance literature:

N-tosyl-N-allylpropargylamine; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 1h;

acetone; In tetrahydrofuran; hexane; at -78 - 20 ℃; for 3h;

DOI:10.1002/anie.201806693

Reference yield:

4-methyl-N-prop-2-ynylbenzenesulfonamide (55022-46-3) → N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide (259218-91-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: potassium carbonate / acetonitrile / 72 h / 20 °C

2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C

2.2: 3 h / -78 - 20 °C

With n-butyllithium; potassium carbonate; In tetrahydrofuran; hexane; acetonitrile;

DOI:10.1002/anie.201806693

Reference yield:

p-toluenesulfonyl chloride (98-59-9) → N-allyl-N-(4-hydroxy-4-methylpent-2-yn-1-yl)-4-methylbenzenesulfonamide (259218-91-2)

Guidance literature:

Multi-step reaction with 3 steps

1.1: triethylamine / dichloromethane / 3 h / 0 - 20 °C

2.1: potassium carbonate / acetonitrile / 72 h / 20 °C

3.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C

3.2: 3 h / -78 - 20 °C

With n-butyllithium; potassium carbonate; triethylamine; In tetrahydrofuran; hexane; dichloromethane; acetonitrile;

DOI:10.1002/anie.201806693

upstream raw materials:

N-tosyl-N-allylpropargylamine

acetone

p-toluenesulfonyl chloride

4-methyl-N-prop-2-ynylbenzenesulfonamide

Downstream raw materials:

5-((N-allyl-4-methylphenyl)sulfonamido)-2-methylpent-3-yn-2-yl acetate