(3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione

Base Information

Chemical Name:(3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione
CAS No.:916850-88-9
Molecular Formula:C₁₈H₂₄N₂O₃
Molecular Weight:316.4
Hs Code.:

Synonyms:(3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione

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Chemical Property of (3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione

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Technology Process of (3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione

There total 6 articles about (3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-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: 76.0%

: 916850-86-7
N-(tert-butoxycarbonyl)-N-(4-methoxybenzyl)-L-valinyl-L-proline methyl ester

: 916850-88-9
(3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione

Guidance literature:: N-(tert-butoxycarbonyl)-N-(4-methoxybenzyl)-L-valinyl-L-proline methyl ester; With formic acid; at 20 ℃; for 15h;

In xylene; for 24h; Further stages.; Heating;
DOI:10.1016/j.tet.2008.02.020

Reference yield:

: 916850-84-5
N-(tert-butoxycarbonyl)-N-(4-methoxybenzyl)-L-valine

: 916850-88-9
(3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione

Guidance literature:: Multi-step reaction with 3 steps

1: 87 percent / EDCI; HOBT; Et₃N / CH₂Cl₂

2: HCO₂H

3: xylene / Heating

With formic acid; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In dichloromethane; xylene;
DOI:10.1016/j.tetlet.2006.09.046

Reference yield:

: 72-18-4,25609-85-2,7004-03-7,921-10-8
L-valine

: 916850-88-9
(3S,8aS)-2-(4-methoxybenzyl)-3-isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione

Guidance literature:: Multi-step reaction with 5 steps

1: 67 percent / NaBH₃CN / methanol

2: 27 percent / i-Pr₂NEt / dioxane; H₂O

3: 87 percent / EDCI; HOBT; Et₃N / CH₂Cl₂

4: HCO₂H

5: xylene / Heating

With formic acid; sodium cyanoborohydride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine; In 1,4-dioxane; methanol; dichloromethane; water; xylene;
DOI:10.1016/j.tetlet.2006.09.046