2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine

Base Information

• Chemical Name: 2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine
• CAS No.: 1639453-74-9
• Molecular Formula: C₂₂H₂₀Cl₂N₆
• Molecular Weight: 439.347

Synonyms:2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine

Chemical Property of 2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine

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Technology Process of 2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine

There total 5 articles about 2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine 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%

1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine (1639453-61-4) + 4-chlorobenzaldehyde (104-88-1) → 2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine (1639453-74-9)

Guidance literature:

In acetonitrile; at 20 ℃;

DOI:10.1002/jhet.2006

Reference yield:

4-amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide (139756-02-8) → 2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine (1639453-74-9)

Guidance literature:

Multi-step reaction with 4 steps

1: iodine / acetonitrile / 2.5 h / Reflux

2: trichlorophosphate / 4 h / Reflux

3: hydrazine hydrate / ethanol / 1.5 h / Reflux

4: acetonitrile / 20 °C

With iodine; hydrazine hydrate; trichlorophosphate; In ethanol; acetonitrile;

DOI:10.1002/jhet.2006

Reference yield:

4-chlorobenzaldehyde (104-88-1) → 2-(4-chlorobenzylidene)-1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine (1639453-74-9)

Guidance literature:

Multi-step reaction with 4 steps

1: iodine / acetonitrile / 2.5 h / Reflux

2: trichlorophosphate / 4 h / Reflux

3: hydrazine hydrate / ethanol / 1.5 h / Reflux

4: acetonitrile / 20 °C

With iodine; hydrazine hydrate; trichlorophosphate; In ethanol; acetonitrile;

DOI:10.1002/jhet.2006

upstream raw materials:

4-amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

4-chlorobenzaldehyde

1-[5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7-yl]hydrazine

7-chloro-5-(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine

Downstream raw materials:

5,7-di(4-chlorophenyl)-1-methyl-3-propyl-1H-pyrazolo[3,4-e][1,2,4]triazolo[4,3-c]pyrimidine

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