[1]Benzopyrano[3,4-b]pyrrol-4(3H)-one, 8-methoxy-1-[4-methoxy-3-(1-methylethoxy)phenyl]-3-[2-[4-methoxy-3-(1 -methylethoxy)phenyl]ethyl]-7-(1-methylethoxy)-

Base Information

Chemical Name:[1]Benzopyrano[3,4-b]pyrrol-4(3H)-one, 8-methoxy-1-[4-methoxy-3-(1-methylethoxy)phenyl]-3-[2-[4-methoxy-3-(1 -methylethoxy)phenyl]ethyl]-7-(1-methylethoxy)-
CAS No.:875654-31-2
Molecular Formula:C37H43NO8
Molecular Weight:629.75
Hs Code.:

[1]Benzopyrano[3,4-b]pyrrol-4(3H)-one,
8-methoxy-1-[4-methoxy-3-(1-methylethoxy)phenyl]-3-[2-[4-methoxy-3-(1
-methylethoxy)phenyl]ethyl]-7-(1-methylethoxy)-

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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]Benzopyrano[3,4-b]pyrrol-4(3H)-one, 8-methoxy-1-[4-methoxy-3-(1-methylethoxy)phenyl]-3-[2-[4-methoxy-3-(1 -methylethoxy)phenyl]ethyl]-7-(1-methylethoxy)-

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Technology Process of [1]Benzopyrano[3,4-b]pyrrol-4(3H)-one, 8-methoxy-1-[4-methoxy-3-(1-methylethoxy)phenyl]-3-[2-[4-methoxy-3-(1 -methylethoxy)phenyl]ethyl]-7-(1-methylethoxy)-

There total 20 articles about [1]Benzopyrano[3,4-b]pyrrol-4(3H)-one, 8-methoxy-1-[4-methoxy-3-(1-methylethoxy)phenyl]-3-[2-[4-methoxy-3-(1 -methylethoxy)phenyl]ethyl]-7-(1-methylethoxy)- 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: 99.0%

: 875654-44-7
3,4-dihydro-7-isopropoxy-1-(3-isopropoxy-4-methoxyphenyl)-3-[2-(3-isopropoxy-4-methoxyphenyl)ethyl]-8-methoxy-4-oxo-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

: 875654-31-2
7-isopropoxy-1-(3-isopropoxy-4-methoxyphenyl)-3-[2-(3-isopropoxy-4-methoxyphenyl)ethyl]-8-methoxy-4-oxo-[1]benzopyrano[3,4-b]pyrrol-4(3H)-one

Guidance literature:: With quinoline; copper(I) oxide; at 220 ℃; for 0.116667h;
DOI:10.1016/j.tet.2005.10.014

Reference yield: 65.0%

: 875654-44-7
3,4-dihydro-7-isopropoxy-1-(3-isopropoxy-4-methoxyphenyl)-3-[2-(3-isopropoxy-4-methoxyphenyl)ethyl]-8-methoxy-4-oxo-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

: 875654-31-2
7-isopropoxy-1-(3-isopropoxy-4-methoxyphenyl)-3-[2-(3-isopropoxy-4-methoxyphenyl)ethyl]-8-methoxy-4-oxo-[1]benzopyrano[3,4-b]pyrrol-4(3H)-one

: 271243-11-9
8,9-dihydro-3,11-diisopropoxy-14-(3-isopropoxy-4-methoxyphenyl)-2,12-dimethoxy-6H-[1]benzopyrano[4′,3′:4,5]pyrrolo[2,1-α]isoquinolin-6-one

Guidance literature:: palladium diacetate; In acetonitrile; for 12h; Heating;
DOI:10.1016/j.tet.2005.10.014

Reference yield:

: 37942-01-1
5-bromo-2-methoxyphenol

: 875654-31-2
7-isopropoxy-1-(3-isopropoxy-4-methoxyphenyl)-3-[2-(3-isopropoxy-4-methoxyphenyl)ethyl]-8-methoxy-4-oxo-[1]benzopyrano[3,4-b]pyrrol-4(3H)-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: 96 percent / potassium carbonate / dimethylsulfoxide / 2 h / 55 °C

2.1: tert-butyllithium / tetrahydrofuran; pentane / 1 h / -78 °C

2.2: 81 percent / trimethyl borate / tetrahydrofuran; pentane / -78 - 20 °C

3.1: 77 percent / sodium carbonate / Pd(PPh₃)4 / tetrahydrofuran; H₂O / 4 h / Heating

4.1: sodium carbonate / Pd(PPh₃)4 / tetrahydrofuran; H₂O / 18 h / Heating

4.2: 95 percent / hydrochloric acid / methanol / 1 h / Heating

5.1: KOH / H₂O; ethanol / 3 h / Heating

5.2: 91 percent / p-toluenesulfonic acid monohydrate / CH₂Cl₂ / 1 h / Heating

6.1: 99 percent / copper(I) oxide; quinoline / 0.12 h / 220 °C

With quinoline; copper(I) oxide; potassium hydroxide; tert.-butyl lithium; sodium carbonate; potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; ethanol; water; dimethyl sulfoxide; pentane; 3.1: Suzuki-Miyaura coupling / 4.1: Suzuki-Miyaura coupling;
DOI:10.1016/j.tet.2005.10.014