2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one

Base Information

Chemical Name:2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one
CAS No.:134734-05-7
Molecular Formula:C₁₃H₁₇NO₅
Molecular Weight:267.282
Hs Code.:

Synonyms:2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one

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Chemical Property of 2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one

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Technology Process of 2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one

There total 6 articles about 2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one 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: 88.0%

: 134734-03-5
6-acetoxy-2-(3,4-dimethoxyphenyl)-3-hydroxyiminotetrahydro-2H-pyran-3-one

: 134734-05-7
2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one

Guidance literature:: With sodium methylate; In methanol; at 0 ℃; for 1h;
DOI:10.1002/jhet.5570280325

Reference yield:

: 120-14-9
3,4-dimethoxy-benzaldehyde

: 134734-05-7
2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one

Guidance literature:: Multi-step reaction with 6 steps

1: 93 percent / n-BuLi / hexane; diethyl ether; tetrahydrofuran / 3 h / Ambient temperature

2: 79 percent / m-chloroperbenzoic acid / CH₂Cl₂ / 3 h / 7 - 15 °C

3: 93 percent / DMAP, DCC / CH₂Cl₂ / Ambient temperature

4: 95 percent / H₂ / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature

5: 85 percent / NH₂OH*HCl, AcONa*3H₂O / methanol; H₂O / 1 h / 55 °C

6: 88 percent / MeONa / methanol / 1 h / 0 °C

With dmap; n-butyllithium; hydroxylamine hydrochloride; hydrogen; sodium methylate; sodium acetate; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide; palladium on activated charcoal; In tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; water; ethyl acetate;
DOI:10.1002/jhet.5570280325

Reference yield:

: 134733-96-3
α-(3,4-dimethoxyphenyl)furfuryl alcohol

: 134734-05-7
2-(3,4-dimethoxyphenyl)-6-hydroxy-3-hydroxyiminotetrahydro-2H-pyran-3-one

Guidance literature:: Multi-step reaction with 5 steps

1: 79 percent / m-chloroperbenzoic acid / CH₂Cl₂ / 3 h / 7 - 15 °C

2: 93 percent / DMAP, DCC / CH₂Cl₂ / Ambient temperature

3: 95 percent / H₂ / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature

4: 85 percent / NH₂OH*HCl, AcONa*3H₂O / methanol; H₂O / 1 h / 55 °C

5: 88 percent / MeONa / methanol / 1 h / 0 °C

With dmap; hydroxylamine hydrochloride; hydrogen; sodium methylate; sodium acetate; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide; palladium on activated charcoal; In methanol; dichloromethane; water; ethyl acetate;
DOI:10.1002/jhet.5570280325