9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

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Chemical Name:9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione
CAS No.:1616921-83-5
Molecular Formula:C₂₁H₂₁N₃O₃S
Molecular Weight:395.482
Hs Code.:

Synonyms:9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

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Chemical Property of 9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

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Technology Process of 9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

There total 12 articles about 9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-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: 54.0%

: 1616923-38-6
9-benzyloxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

: 1616921-83-5
9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

Guidance literature:: With hydrogenchloride; In methanol; water; at 40 ℃; for 48h;

Reference yield:

: 1616923-35-3
5-benzyloxy-6-oxo-2-(4-phenylthiophen-3-ylmethyl)-1,6-dihydropyrimidine-4-carboxylic acid

: 1616921-83-5
9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

Guidance literature:: Multi-step reaction with 4 steps

1: pyridine; trichlorophosphate / 2 h / -10 - 0 °C

2: hydrogenchloride / tetrahydrofuran; water / 1 h / 20 °C

3: di-isopropyl azodicarboxylate; triphenylphosphine / dichloromethane / 2 h / 20 °C

4: hydrogenchloride / water; methanol / 48 h / 40 °C

With pyridine; hydrogenchloride; di-isopropyl azodicarboxylate; triphenylphosphine; trichlorophosphate; In tetrahydrofuran; methanol; dichloromethane; water;

Reference yield:

: 1616923-36-4
5-benzyloxy-6-oxo-2-(4-phenylthiophen-3-ylmethyl)-1,6-dihydropyrimidine-4-carboxylic acid [2-(tert-butyldimethylsilanyloxy)ethyl]isopropylamide

: 1616921-83-5
9-hydroxy-2-isopropyl-6-(4-phenylthiophen-3-ylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

Guidance literature:: Multi-step reaction with 3 steps

1: hydrogenchloride / tetrahydrofuran; water / 1 h / 20 °C

2: di-isopropyl azodicarboxylate; triphenylphosphine / dichloromethane / 2 h / 20 °C

3: hydrogenchloride / water; methanol / 48 h / 40 °C

With hydrogenchloride; di-isopropyl azodicarboxylate; triphenylphosphine; In tetrahydrofuran; methanol; dichloromethane; water;