2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one

Base Information

• Chemical Name: 2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one
• CAS No.: 99809-42-4
• Molecular Formula: C₂₃H₂₈O₆S
• Molecular Weight: 432.538
• Mol file: 99809-42-4.mol

Synonyms:2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one

Chemical Property of 2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one

There total 5 articles about 2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one 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: 100.0%

ethylene glycol (107-21-1) + 2-Methyl-6-[2-(2-oxo-cyclohexyl)-1-(toluene-4-sulfonyl)-ethyl]-pyran-4-one (99809-41-3) → 2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one (99809-42-4)

Guidance literature:

With toluene-4-sulfonic acid; In benzene; Heating;

DOI:10.1021/jo00353a014

Reference yield:

2,6-dimethylpyrone (1004-36-0) → 2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one (99809-42-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 58 percent / N-bromosuccinimide, benzoyl peroxide / benzene / 4.5 h / Heating

2: 100 percent / ethanol / 1 h / Heating

3: 1.) NaH / 1) THF, room temp. 1h, 2) reflux, 1h

4: 100 percent / p-toluenesulfonic acid / benzene / Heating

With N-Bromosuccinimide; Perbenzoic acid; sodium hydride; toluene-4-sulfonic acid; In ethanol; benzene;

DOI:10.1021/jo00353a014

Reference yield:

2-(bromomethyl)-6-methyl-4H-pyran-4-one (99809-37-7) → 2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-1-(toluene-4-sulfonyl)-ethyl]-6-methyl-pyran-4-one (99809-42-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 100 percent / ethanol / 1 h / Heating

2: 1.) NaH / 1) THF, room temp. 1h, 2) reflux, 1h

3: 100 percent / p-toluenesulfonic acid / benzene / Heating

With sodium hydride; toluene-4-sulfonic acid; In ethanol; benzene;

DOI:10.1021/jo00353a014

upstream raw materials:

ethylene glycol

2-Methyl-6-[2-(2-oxo-cyclohexyl)-1-(toluene-4-sulfonyl)-ethyl]-pyran-4-one

2,6-dimethylpyrone

2-(bromomethyl)-6-methyl-4H-pyran-4-one

Downstream raw materials:

1-(1,4-Dioxa-spiro[4.5]dec-6-yl)-7-hydroxy-octan-3-one