7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione

Base Information

Chemical Name:7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione
CAS No.:140170-43-0
Molecular Formula:C₂₇H₂₆O₈
Molecular Weight:478.499
Hs Code.:

Synonyms:7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione

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Chemical Property of 7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione

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Technology Process of 7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione

There total 5 articles about 7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione 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: 60.0%

: 140170-41-8
methyl 3-<4-hydroxy-5-(4-hydroxycinnamoyl)-2-methoxy-3,3-dimethyl-6-oxo-1,4-cyclohexadienyl>-3-(4-hydroxyphenyl)propanoate

: 140170-42-9
methyl 3-<2,4-dihydroxy-5-(4-hydroxycinnamoyl)-3,3-dimethyl-6-oxo-1,4-cyclohexadienyl>-3-(4-hydroxyphenyl)-propanoate

: 140170-43-0
7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione

Guidance literature:: With hydrogenchloride; In methanol; acetone; for 0.833333h; Heating;
DOI:10.1246/bcsj.65.452

Reference yield:

: 480-66-0,67471-34-5
2,4,6-trihydroxyacetophenone

: 140170-43-0
7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) 85percent H₃PO₄ / 1.) RT, 3 d, 2.) MeOH, RT, 1.5 h

2: 100 percent / diethyl ether

3: 33 percent / piperidine / 1 h / 85 °C

4: 60 percent / concd HCl / methanol; acetone / 0.83 h / Heating

With piperidine; hydrogenchloride; phosphoric acid; In methanol; diethyl ether; acetone;
DOI:10.1246/bcsj.65.452

Reference yield:

: 7400-08-0,50940-26-6
para-coumaric acid

: 140170-43-0
7-hydroxy-2-(4-hydroxyphenyl)-6-<1-(4-hydroxyphenyl)-2-methoxycarbonylethyl>-8,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4,5(8H)-dione

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) 85percent H₃PO₄ / 1.) RT, 3 d, 2.) MeOH, RT, 1.5 h

2: 100 percent / diethyl ether

3: 33 percent / piperidine / 1 h / 85 °C

4: 60 percent / concd HCl / methanol; acetone / 0.83 h / Heating

With piperidine; hydrogenchloride; phosphoric acid; In methanol; diethyl ether; acetone;
DOI:10.1246/bcsj.65.452