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

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Chemical Name:ethyl (rac)-7-(4-cyanophenyl)-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
CAS No.:1234620-81-5
Molecular Formula:C₁₅H₁₄N₆O₂
Molecular Weight:310.315
Hs Code.:

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

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

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

There total 4 articles about ethyl (rac)-7-(4-cyanophenyl)-5-methyl-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: 90.0%

: 4418-61-5
5-aminotetrazole

: 141-97-9
ethyl acetoacetate

: 105-07-7
4-cyanobenzaldehyde

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

Guidance literature:: With gallic acid grafted on amine-functionalized silica-coated Fe₃O₄ magnetic nanoparticles; In ethanol; for 0.25h; Reflux; Green chemistry;
DOI:10.1016/j.poly.2019.04.015

Reference yield: 32.0%

: 4418-61-5
5-aminotetrazole

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

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

Guidance literature:: With sodium hydrogencarbonate; In N,N-dimethyl-formamide; at 55 ℃; for 12h; Inert atmosphere;

Reference yield:

: 105-07-7
4-cyanobenzaldehyde

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

Guidance literature:: Multi-step reaction with 2 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

With piperidine; sodium hydrogencarbonate; toluene-4-sulfonic acid; In N,N-dimethyl-formamide; toluene;
DOI:10.1002/cmdc.201500269