(5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one

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Chemical Name:(5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one
CAS No.:1402841-92-2
Molecular Formula:C₂₂H₁₉N₃O₅
Molecular Weight:405.41
Hs Code.:

Synonyms:(5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one

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Chemical Property of (5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one

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Technology Process of (5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one

There total 3 articles about (5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-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: 80.0%

: 1394154-19-8
2-oxo-N-(4-oxo-2-phenyl-4H-chromen-7-yl)propanehydrazonoyl chloride

: 39994-75-7
L-threonine methyl ester hydrochloride

: 1402841-92-2
(5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one

Guidance literature:: With triethylamine; In ethanol; at -10 - 20 ℃;
DOI:10.2174/157017812802139573

Reference yield:

: flavone-7-diazonium chloride

: 1402841-92-2
(5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one

Guidance literature:: Multi-step reaction with 2 steps

1: sodium acetate / ethanol; water / -10 - 0 °C

2: triethylamine / ethanol / -10 - 20 °C

With sodium acetate; triethylamine; In ethanol; water; 1: |Japp-Klingemann Hydrazone Synthesis;
DOI:10.2174/157017812802139573

Reference yield:

: 15847-18-4
7-amino-2-phenyl-4H-chromen-4-one

: 1402841-92-2
(5S)-3-acetyl-5-((R)-1-hydroxyethyl)-1-(4-oxo-2-phenyl-4H-chromen-7-yl)-4,5-dihydro-1,2,4-triazin-6(1H)-one

Guidance literature:: Multi-step reaction with 3 steps

1: hydrogenchloride; sodium nitrite / water / 0 - 5 °C

2: sodium acetate / ethanol; water / -10 - 0 °C

3: triethylamine / ethanol / -10 - 20 °C

With hydrogenchloride; sodium acetate; triethylamine; sodium nitrite; In ethanol; water; 2: |Japp-Klingemann Hydrazone Synthesis;
DOI:10.2174/157017812802139573