1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone)

Base Information

• Chemical Name: 1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone)
• CAS No.: 74511-10-7
• Molecular Formula: C₁₈H₁₆Br₂N₄O₄
• Molecular Weight: 512.157

Synonyms:1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone)

Chemical Property of 1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone)

Chemical Property:

Purity/Quality:

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Technology Process of 1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone)

There total 2 articles about 1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone) 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: 83.0%

3-(L-threo-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione 4-(phenylhydrazone) (55191-37-2) → 1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone) (74511-10-7)

Guidance literature:

With bromine; In water; Ambient temperature;

DOI:10.1016/S0008-6215(00)85516-0

Reference yield:

3-(1-O-benzoyl-L-threo-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione (4-phenylhydrazone) (74511-08-3) → 1-(p-bromophenyl)-3-(L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone) (74511-10-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 2M sodium hydroxide / H₂O / heating

2: 83 percent / bromine / H₂O / Ambient temperature

With sodium hydroxide; bromine; In water;

DOI:10.1016/S0008-6215(00)85516-0

Reference yield: 90.0%

2-(4-Bromo-phenyl)-4-[(4-bromo-phenyl)-hydrazono]-5-((1S,2S)-1,2,3-trihydroxy-propyl)-2,4-dihydro-pyrazol-3-one (63621-75-0,74511-10-7,110900-91-9) → 3-(2-O-acetyl-1,3-dibromo-1,3-dideoxy-L-erythro-glycerol-1-yl)-1-(p-bromophenyl)pyrazoline-4,5-dione 4-(p-bromophenylhydrazone) (140381-11-9)

Guidance literature:

With hydrogen bromide; acetic acid; Ambient temperature;

DOI:10.1016/0008-6215(92)84091-6

upstream raw materials:

3-(L-threo-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione 4-(phenylhydrazone)

3-(1-O-benzoyl-L-threo-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione (4-phenylhydrazone)

Downstream raw materials:

1-(p-bromophenyl)-3-(2,3-O-isopropylidene-L-threo-glycerol-1-yl)-4,5-pyrazoledione 4-(p-bromophenylhydrazone)

3-(2-O-acetyl-1,3-dibromo-1,3-dideoxy-L-erythro-glycerol-1-yl)-1-(p-bromophenyl)pyrazoline-4,5-dione 4-(p-bromophenylhydrazone)

1-p-bromophenyl-3-(1,2-O-isopropylidene-L-threo-glycerol-1-yl)pyrazole-4,5-dione 4-p-bromophenylhydrazone

3-(3-O-acetyl-1,2-O-isopropylidene-L-threo-glycerol-1-yl)-1-(p-bromophenyl)pyrazole-4,5-dione 4-p-bromophenylhydrazone

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