methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate

Base Information

Chemical Name:methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate
CAS No.:561015-13-2
Molecular Formula:C₁₅H₁₄O₇
Molecular Weight:306.272
Hs Code.:

Synonyms:methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate

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Chemical Property of methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate

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Technology Process of methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate

There total 4 articles about methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate 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: 57.0%

: 79-37-8
oxalyl dichloride

: 561015-12-1
4-methoxy-6-(methoxymethylene)-5-(4-methoxyphenyl)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disilanon-4-ene

methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate: 561015-13-2
methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate

Guidance literature:: With trimethylsilyl trifluoromethanesulfonate; In dichloromethane; at -78 - 20 ℃; for 14h;
DOI:10.1016/j.tet.2004.12.048

Reference yield:

: 23786-14-3
4-methoxy-phenyl acetic acid methyl ester

methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate: 561015-13-2
methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate

Guidance literature:: Multi-step reaction with 3 steps

1.1: 77 percent / lithium diisopropylamide; HMPA / tetrahydrofuran / -78 - 20 °C

2.1: Et₃N / tetrahydrofuran / 12 h / 20 °C

2.2: 100 percent / lithium diisopropylamide / tetrahydrofuran / -78 - 20 °C

3.1: 54 percent / trimethylsilyl triflate / CH₂Cl₂ / -78 - 20 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; trimethylsilyl trifluoromethanesulfonate; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; 1.1: Claisen condensation;
DOI:10.1002/ejoc.200500837

Reference yield:

: 561015-11-0
methyl 4-methoxy-2-(4-methoxyphenyl)-3-oxobutanoate

methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate: 561015-13-2
methyl [4-hydroxy-3-methoxy-5-oxofuran-2(5H)-ylidene](4-methoxyphenyl)acetate

Guidance literature:: Multi-step reaction with 2 steps

1.1: Et₃N / tetrahydrofuran / 12 h / 20 °C

1.2: 100 percent / lithium diisopropylamide / tetrahydrofuran / -78 - 20 °C

2.1: 54 percent / trimethylsilyl triflate / CH₂Cl₂ / -78 - 20 °C

With trimethylsilyl trifluoromethanesulfonate; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1002/ejoc.200500837