N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

Base Information

Chemical Name:N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide
CAS No.:1380716-06-2
Molecular Formula:C₁₇H₁₄N₄O
Molecular Weight:290.324
Hs Code.:

Synonyms:N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

Suppliers and Price of N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Total 10 raw suppliers

Chemical Property of N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

Chemical Property:

Purity/Quality:: 99%, ^*data from raw suppliers

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Technology Process of N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

There total 3 articles about N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide 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: 46.0%

: 14235-81-5
4-Ethynylaniline

: 90349-23-8
5,7-dimethyl-pyrazolo[1,5-a] pyrimidine-3-carboxylic acid

: 1380716-06-2
N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

Guidance literature:: With N-ethyl-N,N-diisopropylamine; HATU; In N,N-dimethyl-formamide; at 20 ℃;

Reference yield:

: 123-54-6,81235-32-7
acetylacetone

: 1380716-06-2
N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: acetic acid / 110 °C / Sealed tube

2.1: sodium hydroxide; water / methanol / 3 h / 80 °C

2.2: pH 6 - 7

3.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 20 °C

With water; acetic acid; N-ethyl-N,N-diisopropylamine; HATU; sodium hydroxide; In methanol; N,N-dimethyl-formamide;

Reference yield:

: 52664-01-4
ethyl 5,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylate

: 1380716-06-2
N-(4-ethynylphenyl)-5,7-dimethylpyrazolo[1,5-a]-pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1: water; sodium hydroxide / methanol / 3 h / 80 °C

2: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 20 °C

With water; N-ethyl-N,N-diisopropylamine; HATU; sodium hydroxide; In methanol; N,N-dimethyl-formamide;
DOI:10.1021/jm300063b