5-chloro phthalazine

Base Information

• Chemical Name: 5-chloro phthalazine
• CAS No.: 78032-08-3
• Molecular Formula: C₈H₅ClN₂
• Molecular Weight: 164.594

Synonyms:5-chloro phthalazine

Chemical Property of 5-chloro phthalazine

Chemical Property:

• Melting Point: 128 °C
• Boiling Point: 364.3±15.0 °C(Predicted)
• Density: 1.349±0.06 g/cm3(Predicted)

Purity/Quality:

97% ^*data from raw suppliers

5-Chlorophthalazine 95+% ^*data from reagent suppliers

Safty Information:

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Technology Process of 5-chloro phthalazine

There total 3 articles about 5-chloro phthalazine 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: 75.0%

2-chloro-benzaldehyde (89-98-5) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 5-chloro phthalazine (78032-08-3)

Guidance literature:

2-chloro-benzaldehyde; With n-butyllithium; N,N',N'-trimethylenediamine; In tetrahydrofuran; hexane; at -20 ℃; for 0.75h; Inert atmosphere;

With n-butyllithium; In tetrahydrofuran; hexane; at -20 - 0 ℃; for 2.16667h; Inert atmosphere;

N,N-dimethyl-formamide; Further stages;

DOI:10.1021/ol301167q

Reference yield: 45.0%

N-[1-(2-Chloro-phenyl)-meth-(Z)-ylidene]-N'-[1-(2-chloro-phenyl)-meth-(E)-ylidene]-hydrazine (5328-80-3) → chlorobenzene (108-90-7) + 5-chloro phthalazine (78032-08-3)

Guidance literature:

With aluminium trichloride; at 170 - 200 ℃;

DOI:10.1016/0040-4039(81)80093-7

Reference yield:

→ 5-chloro phthalazine (78032-08-3)

Guidance literature:

1,8-Dichlor-phthalazin, roter P, wss. HI (sd.);

upstream raw materials:

N-[1-(2-Chloro-phenyl)-meth-(Z)-ylidene]-N'-[1-(2-chloro-phenyl)-meth-(E)-ylidene]-hydrazine

2-chloro-benzaldehyde

N,N-dimethyl-formamide

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