4H-1-Benzopyran, 2,5,7,8-tetramethyl-6-(phenylmethoxy)-

Base Information

Chemical Name:4H-1-Benzopyran, 2,5,7,8-tetramethyl-6-(phenylmethoxy)-
CAS No.:143308-49-0
Molecular Formula:C20H22O2
Molecular Weight:294.393
Hs Code.:
DSSTox Substance ID:DTXSID90435786
Wikidata:Q82250889
Mol file:143308-49-0.mol

Synonyms:143308-49-0;6-(BENZYLOXY)-2,5,7,8-TETRAMETHYL-4H-CHROMENE;4H-1-Benzopyran, 2,5,7,8-tetramethyl-6-(phenylmethoxy)-;DTXSID90435786

Suppliers and Price of 4H-1-Benzopyran, 2,5,7,8-tetramethyl-6-(phenylmethoxy)-

Supply Marketing:

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

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Total 1 raw suppliers

Chemical Property of 4H-1-Benzopyran, 2,5,7,8-tetramethyl-6-(phenylmethoxy)-

Chemical Property:

XLogP3:5.3
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:3
Exact Mass:294.161979940
Heavy Atom Count:22
Complexity:397

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1=CCC2=C(O1)C(=C(C(=C2C)OCC3=CC=CC=C3)C)C

Technology Process of 4H-1-Benzopyran, 2,5,7,8-tetramethyl-6-(phenylmethoxy)-

There total 4 articles about 4H-1-Benzopyran, 2,5,7,8-tetramethyl-6-(phenylmethoxy)- 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: 73.0%

: 53713-36-3
rac-2-methoxy-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

: 143308-49-0
6-(Phenylmethoxy)-2,5,7,8-tetramethyl-4H-1-benzopyran

Guidance literature:: With phosphorus pentoxide; In toluene; Heating;
DOI:10.1021/jo00047a043

Reference yield: 57.2%

: 2622-05-1
allylmagnesium bromide

: 114341-58-1
rac-2-Chloro-3,4-dihydro-2,5,7,8-tetramethyl-6-(phenylmethoxy)-2H-1-benzopyran

: 121175-14-2
rac-3,4-dihydro-6-(phenylmethoxy)-2-(2-propenyl)-2,5,7,8-tetramethyl-2H-1-benzopyran

: 143308-49-0
6-(Phenylmethoxy)-2,5,7,8-tetramethyl-4H-1-benzopyran

Guidance literature:: In diethyl ether; 1.) -78 deg C, 30 min, 2.) 0 deg C, 7 h;
DOI:10.1021/jo00047a043

Reference yield:

: 53713-30-7
6-benzyloxy-2-methoxy-2,5,7,8-tetramethylchroman-2-ol

: 143308-49-0
6-(Phenylmethoxy)-2,5,7,8-tetramethyl-4H-1-benzopyran

Guidance literature:: Multi-step reaction with 2 steps

1: 92.8 percent / HCl, molecular sieves (4A) / diethyl ether / 0.5 h / 0 °C

2: diethyl ether / 1.) -78 deg C, 30 min, 2.) 0 deg C, 7 h

With hydrogenchloride; 4 A molecular sieve; In diethyl ether;
DOI:10.1021/jo00047a043