4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile

Base Information

• Chemical Name: 4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile
• CAS No.: 244127-61-5
• Molecular Formula: C₂₁H₁₆N₄O
• Molecular Weight: 340.384

Synonyms:4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile

Chemical Property of 4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile

Chemical Property:

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Technology Process of 4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile

There total 3 articles about 4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile 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: 88.0%

methanol (67-56-1) + 5-chloro-7-<<2'-cyanobiphenyl-4-yl>methyl>pyrazolo<1,5-a>pyrimidine (220456-74-6) → 4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile (244127-61-5)

Guidance literature:

With sodium methylate; for 5h; Heating;

DOI:10.1248/cpb.47.928

Reference yield:

5,7-dichloropyrazolo[1,5-a]pyrimidine (57489-77-7) → 4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile (244127-61-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 52 percent / LiCl / dimethylformamide / 1 h / 20 °C

2: 88 percent / NaOMe / 5 h / Heating

With sodium methylate; lithium chloride; In N,N-dimethyl-formamide; 1: Substitution / 2: Substitution;

DOI:10.1248/cpb.47.928

Reference yield:

[[2'-cyano-(1,1'-biphenyl)-4-yl]-methyl]zinc bromide (244127-58-0) → 4'-<(5-methoxypyrazolo<1,5-a>pyrimidin-7-yl)methyl>biphenyl-2-carbonitrile (244127-61-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 52 percent / LiCl / dimethylformamide / 1 h / 20 °C

2: 88 percent / NaOMe / 5 h / Heating

With sodium methylate; lithium chloride; In N,N-dimethyl-formamide; 1: Substitution / 2: Substitution;

DOI:10.1248/cpb.47.928

upstream raw materials:

methanol

5-chloro-7-<<2'-cyanobiphenyl-4-yl>methyl>pyrazolo<1,5-a>pyrimidine

5,7-dichloropyrazolo[1,5-a]pyrimidine

[[2'-cyano-(1,1'-biphenyl)-4-yl]-methyl]zinc bromide

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