5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester

Base Information

Chemical Name:5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester
CAS No.:1076195-21-5
Molecular Formula:C₁₉H₁₆F₃N₃O₃
Molecular Weight:391.35
Hs Code.:

Synonyms:5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester

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Chemical Property of 5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester

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Technology Process of 5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester

There total 2 articles about 5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester 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:

: 1076195-20-4
3-amino-1H-pyrazole-4-carboxylic acid 3-propenyl ester

: 1076195-14-6
4,4,4-trifluoro-1-(4-methoxyphenyl)-2-methyl-1,3-butanedione

: 1076195-21-5
5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester

Guidance literature:: With acetic acid; at 80 - 100 ℃; for 16 - 24h;

Reference yield:

: 121-97-1
4-Methoxypropiophenone

: 1076195-21-5
5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 3-propenyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 °C

1.2: 6 h / -78 - 20 °C

1.3: pH 1

2.1: acetic acid / 16 - 24 h / 80 - 100 °C

With acetic acid; lithium hexamethyldisilazane; In tetrahydrofuran;