(-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione

Base Information

Chemical Name:(-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione
CAS No.:357666-75-2
Molecular Formula:C₂₀H₁₇N₃O₃
Molecular Weight:347.373
Hs Code.:

Synonyms:(-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione

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Chemical Property of (-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione

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Technology Process of (-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione

There total 5 articles about (-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione 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: 69.0%

: 357666-51-4
(4S)-4-methyl-2-phenethyl-2H-pyrazino[2,1-b]quinazoline-3,6(1H,4H)-dione

: 357666-75-2
(-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione

Guidance literature:: With pyridinium chlorochromate; In dichloromethane; at 20 ℃;
DOI:10.1016/S0957-4166(01)00492-X

Reference yield: 42.0%

: 357666-51-4
(4S)-4-methyl-2-phenethyl-2H-pyrazino[2,1-b]quinazoline-3,6(1H,4H)-dione

: 357666-75-2
(-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione

: (1R,4S)-1-hydroxy-4-methyl-2-phenethyl-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-dione

Guidance literature:: (4S)-4-methyl-2-phenethyl-2H-pyrazino[2,1-b]quinazoline-3,6(1H,4H)-dione; With [hydroxy(tosyloxy)iodo]benzene; In acetonitrile; at 100 ℃; for 18h;

With ammonium chloride; In dichloromethane; at 20 ℃; for 6h;
DOI:10.1021/jo010166y

Reference yield:

: 118-92-3,159201-01-1,50816-84-7,80206-34-4,104809-47-4
anthranilic acid

: 357666-75-2
(-)-(4S)-4-methyl-2-phenethyl-2,4-dihydropyrazino[2,1-b]quinazoline-1,3,6-trione

Guidance literature:: Multi-step reaction with 2 steps

1.1: 2 h / 140 °C

2.1: [hydroxy(tosyloxy)iodo]benzene / acetonitrile / 18 h / 100 °C

2.2: 25 percent / aq. NH₄Cl / CH₂Cl₂ / 6 h / 20 °C

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