1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran

Base Information

Chemical Name:1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran
CAS No.:114862-74-7
Molecular Formula:C₂₇H₂₂O₅
Molecular Weight:426.469
Hs Code.:

1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzo<d>naphtho<1,2-b>pyran

Synonyms:1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran

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

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Chemical Property of 1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran

Chemical Property:

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MSDS Files:: SDS file from LookChem

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Technology Process of 1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran

There total 2 articles about 1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran 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: 93.0%

: 114862-73-6
2-(1,4-dioxo-5-(phenylmethoxy)-2-naphthalenyl)-5-ethyl-3-methoxybenzoic acid

: 114862-74-7
1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran

Guidance literature:: With sodium dithionite; In 1,4-dioxane; water; for 0.5h; Ambient temperature;
DOI:10.1021/jo00251a008

Reference yield:

: 114862-72-5
8-ethyl-10-methoxy-1-(phenylmethoxy)-6H-benzonaphtho<1,2-b>pyran-6-one

: 114862-74-7
1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) potassium tert-butoxide 2.) H₂O, citric acid, Na₂HPO₄, Fremy's salt (K₂ON(SO₃)2) / 1.) ethanol, reflux, 3 h, 2.) RT, overnight

2: 93 percent / sodium dithionite / H₂O; dioxane / 0.5 h / Ambient temperature

With disodium hydrogenphosphate; sodium dithionite; potassium tert-butylate; water; citric acid; In 1,4-dioxane; water;
DOI:10.1021/jo00251a008

Reference yield: 77.0%

: 114862-74-7
1-(benzyloxy)-6-oxo-8-ethyl-10-methoxy-12-hydroxy-6H-benzonaphtho<1,2-b>pyran

: 74-88-4
methyl iodide

: 114862-75-8
8-ethyl-10,12-dimethoxy-1-(phenylmethoxy)-6H-benzonaphtho<1,2-b>pyran-6-one

Guidance literature:: With potassium tert-butylate; potassium carbonate; In tetrahydrofuran; N,N-dimethyl-formamide; Ambient temperature;
DOI:10.1021/jo00251a008