(4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-one

Base Information

Chemical Name:(4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-one
CAS No.:1064665-59-3
Molecular Formula:C₂₇H₃₀N₂O₁₁S₂
Molecular Weight:622.674
Hs Code.:

Synonyms:(4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-one

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Chemical Property of (4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-one

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Technology Process of (4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-one

There total 2 articles about (4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-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: 76.0%

: 1064665-57-1
(4Z)-4-{mercapto[(2-oxo-2-phenylethyl)thio]methylene}-5-methyl-pyrazol-3-one

: 3068-32-4
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside

: 1064665-59-3
(4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-one

Guidance literature:: With potassium hydroxide; In water; acetone; at 20 ℃; for 16h;
DOI:10.1080/07328300802236178

Reference yield:

: C₅H₄N₂OS₂^(2-)*2Na⁽¹⁺⁾

: 70-11-1
α-bromoacetophenone

: 3068-32-4
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside

: 1064665-59-3
(4E)-5-methyl-4-{[(2-oxo-2-phenylethyl)thio](2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosylthio)methylene}-2,4-dihydro-3H-pyrazol-3-one

Guidance literature:: C₅H₄N₂OS₂^(2-)*2Na⁽¹⁺⁾; α-bromoacetophenone; In ethanol; at 20 ℃; for 2h;

1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside; In ethanol; acetone; at 20 ℃; for 16h; Further stages.;
DOI:10.1080/07328300802236178