ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

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Chemical Name:ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
CAS No.:1234620-16-6
Molecular Formula:C₂₂H₁₇F₃N₆O₂
Molecular Weight:454.411
Hs Code.:

Synonyms:ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

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Chemical Property of ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

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Technology Process of ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

There total 4 articles about ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate 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%

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

: 1423-26-3
(meta-(trifluoromethyl)phenyl)boronic acid

: 1234620-16-6
ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

Guidance literature:: With pyridine; copper diacetate; triethylamine; In dichloromethane; at 20 ℃; for 24h; Inert atmosphere; Molecular sieve;

Reference yield:

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

: 1234620-16-6
ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

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

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

With pyridine; copper diacetate; sodium hydrogencarbonate; triethylamine; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 105-07-7
4-cyanobenzaldehyde

: 1234620-16-6
ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: piperidine; toluene-4-sulfonic acid / toluene / 72 h / Reflux; Dean-Stark

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

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

With piperidine; pyridine; copper diacetate; sodium hydrogencarbonate; toluene-4-sulfonic acid; triethylamine; In dichloromethane; N,N-dimethyl-formamide; toluene; 3: |Chan-Lam Coupling;
DOI:10.1002/cmdc.201500269