(7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid

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Chemical Name:(7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid
CAS No.:1234620-20-2
Molecular Formula:C₂₀H₁₃F₃N₆O₂
Molecular Weight:426.357
Hs Code.:

Synonyms:(7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid

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Chemical Property of (7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid

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Technology Process of (7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid

There total 5 articles about (7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid 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: 71.0%

: 1234620-18-8
ethyl (7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

: 1234620-20-2
(7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid

Guidance literature:: ethyl (7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate; With water; lithium hydroxide; In tetrahydrofuran; ethanol; at 55 ℃; for 1.5h; Inert atmosphere;

With hydrogenchloride; In tetrahydrofuran; ethanol; water; at 0 ℃;

Reference yield:

: 89809-67-6
ethyl (E/Z)-2-(4-cyanobenzylidene)-3-oxobutanoate

: 1234620-20-2
(7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium hydrogencarbonate / N,N-dimethyl-formamide / 12 h / 55 °C / Inert atmosphere

2.1: triethylamine; pyridine; copper diacetate / dichloromethane / 24 h / 20 °C / Inert atmosphere; Molecular sieve

3.1: Daicel Chiralpak IB / tert-butyl methyl ether; methanol / 30 °C / Resolution of racemate

4.1: water; lithium hydroxide / ethanol; tetrahydrofuran / 1.5 h / 55 °C / Inert atmosphere

4.2: 0 °C

With pyridine; water; copper diacetate; sodium hydrogencarbonate; triethylamine; lithium hydroxide; In tetrahydrofuran; methanol; ethanol; dichloromethane; tert-butyl methyl ether; N,N-dimethyl-formamide;

Reference yield:

: 1234620-81-5
ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

: 1234620-20-2
(7R)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: triethylamine; pyridine; copper diacetate / dichloromethane / 24 h / 20 °C / Inert atmosphere; Molecular sieve

2.1: Daicel Chiralpak IB / tert-butyl methyl ether; methanol / 30 °C / Resolution of racemate

3.1: water; lithium hydroxide / ethanol; tetrahydrofuran / 1.5 h / 55 °C / Inert atmosphere

3.2: 0 °C

With pyridine; water; copper diacetate; triethylamine; lithium hydroxide; In tetrahydrofuran; methanol; ethanol; dichloromethane; tert-butyl methyl ether;