3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

Base Information

Chemical Name:3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid
CAS No.:917497-48-4
Molecular Formula:C₃₉H₄₄BrNO₁₁
Molecular Weight:782.682
Hs Code.:

3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

Synonyms:3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

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Chemical Property of 3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

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Technology Process of 3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

There total 10 articles about 3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid 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: 91.0%

: 917497-47-3
1-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-3,4-bis(4-isopropoxy-3-methoxyphenyl)-1H-pyrrole-2,5-dicarboxylic acid

: 917497-48-4
3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

Guidance literature:: With lead(IV) acetate; In ethyl acetate; at 20 ℃; for 0.166667h;
DOI:10.1055/s-2006-950191

Reference yield:

: 917497-33-7
6-bromo-2-isopropoxy-3,4-dimethoxybenzaldehyde

: 917497-48-4
3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: 100 percent / NH₄OAc / 0.75 h / 100 °C

2: 97 percent / TMSCl; LiBH₄ / tetrahydrofuran / 6 h / Heating

3: 2.31 g / 4 Angstroem molecular sieves / tetrahydrofuran; hexane / 1.33 h / Heating

4: 91 percent / Pb(OAc)4 / ethyl acetate / 0.17 h / 20 °C

With lead(IV) acetate; lithium borohydride; chloro-trimethyl-silane; 4 A molecular sieve; ammonium acetate; In tetrahydrofuran; hexane; ethyl acetate;
DOI:10.1055/s-2006-950191

Reference yield:

: 917497-32-6
6-bromo-2-hydroxy-3,4-dimethoxybenzaldehyde

: 917497-48-4
3-[2-(6-bromo-2-isopropoxy-3,4-dimethoxyphenyl)ethyl]-7-isopropoxy-1-(4-isopropoxy-3-methoxyphenyl)-8-methoxy-4-oxo-3H-[1]benzopyrano[3,4-b]pyrrole-2-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1: 78 percent / K₂CO₃ / dimethylformamide / 20 °C

2: 100 percent / NH₄OAc / 0.75 h / 100 °C

3: 97 percent / TMSCl; LiBH₄ / tetrahydrofuran / 6 h / Heating

4: 2.31 g / 4 Angstroem molecular sieves / tetrahydrofuran; hexane / 1.33 h / Heating

5: 91 percent / Pb(OAc)4 / ethyl acetate / 0.17 h / 20 °C

With lead(IV) acetate; lithium borohydride; chloro-trimethyl-silane; 4 A molecular sieve; ammonium acetate; potassium carbonate; In tetrahydrofuran; hexane; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1055/s-2006-950191