5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one

Base Information

Chemical Name:5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one
CAS No.:1374325-18-4
Molecular Formula:C₃₅H₂₆O₂
Molecular Weight:478.59
Hs Code.:

Synonyms:

Suppliers and Price of 5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one

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 5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one

There total 6 articles about 5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-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: 47.0%

: 1374325-21-9
5,6-dihydro-6,6-diphenylpyrano[2,3,4-de]chromen-2-one

: 100-58-3
phenylmagnesium bromide

: 1374325-18-4
5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one

Guidance literature:: In diethyl ether; for 0.333333h; Reflux;
DOI:10.1002/ejoc.201101702

Reference yield:

: 1374325-19-5
2,3-dihydro-5-methoxy-2,2-diphenylchromen-4-one

: 1374325-18-4
5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: boron tribromide / diethyl ether / 0.5 h / 0 °C

1.2: Cooling with ice

2.1: iodine; zinc / diethyl ether; benzene / 3 h / Reflux

2.2: 0.5 h / Reflux

3.1: diethyl ether / 0.33 h / Reflux

With iodine; boron tribromide; zinc; In diethyl ether; benzene; 2.1: Reformatsky reaction / 3.1: Grignard reaction;
DOI:10.1002/ejoc.201101702

Reference yield:

: 699-83-2
2,6-dihydroxylacetophenone

: 1374325-18-4
5,6-dihydro-2,2,5,5-tetraphenylpyrano[2,3,4-de]chromen-2-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: potassium carbonate

2.1: sodium t-butanolate / toluene / 1 h / Reflux

3.1: sulfuric acid / 0.5 h / 0 °C

4.1: boron tribromide / diethyl ether / 0.5 h / 0 °C

4.2: Cooling with ice

5.1: iodine; zinc / diethyl ether; benzene / 3 h / Reflux

5.2: 0.5 h / Reflux

6.1: diethyl ether / 0.33 h / Reflux

With sulfuric acid; iodine; boron tribromide; potassium carbonate; sodium t-butanolate; zinc; In diethyl ether; toluene; benzene; 5.1: Reformatsky reaction / 6.1: Grignard reaction;
DOI:10.1002/ejoc.201101702