2H-1-Benzopyran-2-one, 3,4-dihydro-4,4,7-trimethyl-

Base Information

Chemical Name:2H-1-Benzopyran-2-one, 3,4-dihydro-4,4,7-trimethyl-
CAS No.:105640-09-3
Molecular Formula:C12H14O2
Molecular Weight:190.23800
Hs Code.:
Mol file:105640-09-3.mol

Synonyms:4,4,7-trimethyl-chroman-2-one;Coumarin,3,4-dihydro-4,4,7-trimethyl;4,4,7-Trimethyl-2-chromanone;2H-1-Benzopyran-2-one,3,4-dihydro-4,4,7-trimethyl;4,4,7-Trimethyl-chroman-2-on;3,4-dihydro-4,4,7-trimethylcoumarin;

Suppliers and Price of 2H-1-Benzopyran-2-one, 3,4-dihydro-4,4,7-trimethyl-

Supply Marketing:

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

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of 2H-1-Benzopyran-2-one, 3,4-dihydro-4,4,7-trimethyl-

Chemical Property:

PSA：26.30000
LogP:2.58170

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 2H-1-Benzopyran-2-one, 3,4-dihydro-4,4,7-trimethyl-

There total 6 articles about 2H-1-Benzopyran-2-one, 3,4-dihydro-4,4,7-trimethyl- 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: 2.0%

: 133532-17-9
3'-methylphenyl 3-methylbut-2-enoate

: 110411-30-8
2,2,7-trimethylchroman-4-one

: 105640-09-3
3,4-dihydro-4,4,7-trimethylcoumarin

: 142337-65-3
1-(2-hydroxy-4-methylphenyl)-3-methyl-2-buten-1-one

Guidance literature:: With aluminum (III) chloride; In dichloromethane; at 0 - 23 ℃; for 65h;
DOI:10.1016/j.tetlet.2016.10.005

Reference yield:

: 3350-78-5
3,3-Dimethylacryloyl chloride

: 105640-09-3
3,4-dihydro-4,4,7-trimethylcoumarin

: 142337-65-3
1-(2-hydroxy-4-methylphenyl)-3-methyl-2-buten-1-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C

1.2: 3 h / 0 - 20 °C

2.1: aluminum (III) chloride / dichloromethane / 65 h / 0 - 23 °C

With aluminum (III) chloride; sodium hydride; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.tetlet.2016.10.005

Reference yield:

: 108-39-4
3-methyl-phenol

: 105640-09-3
3,4-dihydro-4,4,7-trimethylcoumarin

: 142337-65-3
1-(2-hydroxy-4-methylphenyl)-3-methyl-2-buten-1-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C

1.2: 3 h / 0 - 20 °C

2.1: aluminum (III) chloride / dichloromethane / 65 h / 0 - 23 °C

With aluminum (III) chloride; sodium hydride; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.tetlet.2016.10.005