(1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

Base Information

Chemical Name:(1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione
CAS No.:357666-71-8
Molecular Formula:C₂₃H₂₅N₃O₅
Molecular Weight:423.469
Hs Code.:

Synonyms:(1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

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Chemical Property of (1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

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Technology Process of (1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

There total 3 articles about (1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione 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: 82.0%

: 141-78-6
ethyl acetate

: 357666-64-9
(S)-2-(3,4-Dimethoxy-benzyl)-4-methyl-1,2-dihydro-2,4a,9-triaza-anthracene-3,10-dione

: 357666-71-8
(1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

Guidance literature:: With [hydroxy(tosyloxy)iodo]benzene; for 18h; Heating;
DOI:10.1021/jo010166y

Reference yield:

: 868755-29-7
(3S)-1-(3,4-dimethoxybenzyl)-3-methyl-2,5-piperazinedione

: 357666-71-8
(1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

Guidance literature:: Multi-step reaction with 3 steps

1: Na₂CO₃ / CH₂Cl₂ / 24 h / 20 °C

2: 2 h / 140 °C

3: 82 percent / [hydroxy(tosyloxy)iodo]benzene / 18 h / Heating

With [hydroxy(tosyloxy)iodo]benzene; sodium carbonate; In dichloromethane;
DOI:10.1021/jo010166y

Reference yield:

: 1-(3,4-dimethoxy-benzyl)-5-ethoxy-3-methyl-3,6-dihydro-1H-pyrazin-2-one

: 357666-71-8
(1S,4S)-1-ethoxy-4-methyl-2-(3,4-dimethoxybenzyl)-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

Guidance literature:: Multi-step reaction with 2 steps

1: 2 h / 140 °C

2: 82 percent / [hydroxy(tosyloxy)iodo]benzene / 18 h / Heating

With [hydroxy(tosyloxy)iodo]benzene;
DOI:10.1021/jo010166y