4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

Base Information

Chemical Name:4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one
CAS No.:264625-28-7
Molecular Formula:C₂₃H₂₉NO₅
Molecular Weight:399.487
Hs Code.:

Synonyms:4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

Suppliers and Price of 4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Total 1 raw suppliers

Chemical Property of 4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

Safty Information:

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Hazard Codes:

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Technology Process of 4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

There total 7 articles about 4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-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: 83.0%

: 264625-26-5
2-(2-bromo-4,5-dimethoxyphenethyl)-4-ethyl-7,8-dimethoxy-4-methylthio-1,2,3,4-tetrahydroisoquinolin-3-one

: 264625-28-7
4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

Guidance literature:: With nickel; In ethanol; for 2h; Heating;
DOI:10.1248/cpb.48.399

Reference yield:

: 63375-81-5
2-(2-bromo-4,5-dimethoxyphenylphenyl)ethan-1-amine

: 264625-28-7
4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: CH₂Cl₂ / 24 h / 20 °C

2.1: LiAlH₄ / tetrahydrofuran / 2 h / 20 °C

3.1: Et₃N / CH₂Cl₂ / 0.33 h / 0 °C

4.1: SnCl₄ / CH₂Cl₂ / 1 h / 0 °C

5.1: LDA / tetrahydrofuran / 1 h / -78 °C

5.2: 74 percent / tetrahydrofuran / 1 h / 20 °C

6.1: 83 percent / Raney Ni / ethanol / 2 h / Heating

With lithium aluminium tetrahydride; tin(IV) chloride; nickel; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; ethanol; dichloromethane; 1.1: Condensation / 2.1: Reduction / 3.1: Acylation / 4.1: Cyclization / 5.1: Metallation / 5.2: ethylation / 6.1: desulfurization; debromination;
DOI:10.1248/cpb.48.399

Reference yield:

: 113557-37-2
2-(2-bromo-4,5-dimethoxyphenethyl)-7,8-dimethoxy-4-methylthio-1,2,3,4-tetrahydroisoquinolin-3-one

: 264625-28-7
4-ethyl-7,8-dimethoxy-2-(3,4-dimethoxyphenethyl)-1,2,3,4-tetrahydroisoquinolin-3-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: LDA / tetrahydrofuran / 1 h / -78 °C

1.2: 74 percent / tetrahydrofuran / 1 h / 20 °C

2.1: 83 percent / Raney Ni / ethanol / 2 h / Heating

With nickel; lithium diisopropyl amide; In tetrahydrofuran; ethanol; 1.1: Metallation / 1.2: ethylation / 2.1: desulfurization; debromination;
DOI:10.1248/cpb.48.399