2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one

Base Information

Chemical Name:2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one
CAS No.:1283095-34-0
Molecular Formula:C₂₅H₂₆O₆
Molecular Weight:422.478
Hs Code.:

Synonyms:2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one

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Chemical Property of 2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one

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Technology Process of 2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one

There total 35 articles about 2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-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: 53.0%

: 1610962-17-8
2-(2,4-bis(benzyloxy)phenyl)-5,7-dihydroxy-3-(3-methylbut-2-en-1-yl)-8-(2-methylbut-3-en-2-yl)-4H-chromen-4-one

: 1283095-34-0
2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one

: 1610962-19-0
2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3-methylbut-2-en-1-yl)-8-(tert-pentyl)-4H-chromen-4-one

Guidance literature:: With Lindlar's catalyst; ammonium formate; In methanol; ethyl acetate; at 50 ℃; for 0.5h;
DOI:10.1016/j.tet.2014.04.089

Reference yield: 47.0%

: 1610962-17-8
2-(2,4-bis(benzyloxy)phenyl)-5,7-dihydroxy-3-(3-methylbut-2-en-1-yl)-8-(2-methylbut-3-en-2-yl)-4H-chromen-4-one

: 1283095-34-0
2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one

: 1610962-18-9
2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-3-isopentyl-8-(tert-pentyl)-4H-chromen-4-one

: 1610962-19-0
2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3-methylbut-2-en-1-yl)-8-(tert-pentyl)-4H-chromen-4-one

Guidance literature:: With palladium 10% on activated carbon; ammonium formate; In methanol; ethyl acetate; at 50 ℃;
DOI:10.1016/j.tet.2014.04.089

Reference yield:

: 65490-09-7
2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone

: 1283095-34-0
2-(2,4-dihydroxyphenyl)-3-(3-methyl-2-buten-1-yl)-5,7-dihydroxy-8-(1,1-dimethyl-2-propen-1-yl)-4H-[1]benzopyran-4-one

Guidance literature:: Multi-step reaction with 9 steps

1.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 24 h / 20 °C

2.1: sodium hydride / tetrahydrofuran / 1 h / Reflux

3.1: potassium carbonate / acetone / 0.17 h

3.2: 2 h / 50 °C

4.1: copper dichloride; chloro-trimethyl-silane / acetonitrile / 0.5 h / 20 °C

5.1: Lindlar's catalyst; ammonium formate / methanol; ethyl acetate / 0.67 h / 50 °C

6.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 1 h / 20 °C

7.1: hydrogenchloride; water / tetrahydrofuran / 5 h / Reflux

8.1: potassium carbonate / acetone / 2 h

9.1: sodium acetate / acetic anhydride / 10 h / 180 °C / Microwave irradiation

9.2: 0.5 h / 20 °C

With hydrogenchloride; dmap; chloro-trimethyl-silane; Lindlar's catalyst; water; ammonium formate; sodium acetate; sodium hydride; potassium carbonate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; copper dichloride; In tetrahydrofuran; methanol; dichloromethane; acetic anhydride; ethyl acetate; acetone; acetonitrile; 2.1: |Baker-Venkataraman Rearrangement / 9.1: |Claisen Rearrangement;
DOI:10.1016/j.tet.2014.04.089