3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid

Base Information

Chemical Name:3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid
CAS No.:917497-45-1
Molecular Formula:C₂₉H₂₃NO₇
Molecular Weight:497.504
Hs Code.:

Synonyms:3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid

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Chemical Property of 3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid

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Technology Process of 3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid

There total 7 articles about 3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-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: 89.0%

: 917497-44-0
3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid 2-(trimethylsilyl)ethyl ester

: 917497-45-1
3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 0 ℃; for 1h;
DOI:10.1055/s-2006-950191

Reference yield:

: C₃₄H₃₆BrNO₇Si

: 917497-45-1
3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 58 mg / Et₃N / CCl₄ / 2 h / 20 °C

2: 89 percent / Bu₄NF / tetrahydrofuran / 1 h / 0 °C

With tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; tetrachloromethane;
DOI:10.1055/s-2006-950191

Reference yield:

: C₂₀H₁₈O₈

: 917497-45-1
3,7,8-tris(4-methoxyphenyl)-1-oxo-1H-pyrrolo[2,1-c][1,4]oxazine-6-carboxylic acid

Guidance literature:: Multi-step reaction with 6 steps

1: 4.1 g / 4 Angstroem molecular sieves / tetrahydrofuran; hexane / 18 h / 20 °C

2: 75 percent / p-TsOH / toluene; dimethylformamide / 5 h / Heating

3: 82 percent / O-benzotriazolyl-N,N,N',N'-tetra(methyluronium)*BF₄; Et₃N / acetonitrile / 18 h / 20 °C

4: NBS / CCl₄ / 20 °C / Irradiation

5: 58 mg / Et₃N / CCl₄ / 2 h / 20 °C

6: 89 percent / Bu₄NF / tetrahydrofuran / 1 h / 0 °C

With N-Bromosuccinimide; 4 A molecular sieve; tetrabutyl ammonium fluoride; toluene-4-sulfonic acid; triethylamine; In tetrahydrofuran; tetrachloromethane; hexane; N,N-dimethyl-formamide; toluene; acetonitrile;
DOI:10.1055/s-2006-950191