2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester

Base Information

Chemical Name:2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester
CAS No.:1426800-24-9
Molecular Formula:C₁₈H₁₇N₅O₃
Molecular Weight:351.365
Hs Code.:

Synonyms:2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester

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Chemical Property of 2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester

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Technology Process of 2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester

There total 4 articles about 2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl 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:

: 1426800-22-7
6-(4-cyanophenyl)-2-methoxy-4-methyl-6H-pyrimidine-1,5-dicarboxylic acid 5-methyl ester 1-(4-nitrophenyl) ester

: 52207-83-7
allyl hydrazine hydrochloride

: 1426800-24-9
2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In acetonitrile; at 20 ℃; for 4h;

Reference yield:

: 1333015-13-6
4-(4-cyanophenyl)-2-methoxy-6-methyl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester

: 52207-83-7
allyl hydrazine hydrochloride

: 7693-46-1
4-Nitrophenyl chloroformate

: 1426800-24-9
2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester

Guidance literature:: 4-(4-cyanophenyl)-2-methoxy-6-methyl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester; 4-Nitrophenyl chloroformate; With pyridine; In dichloromethane; at 0 ℃; for 1.5h; Cooling with ice;

allyl hydrazine hydrochloride; With N-ethyl-N,N-diisopropylamine; In dichloromethane; acetonitrile; at 20 ℃; for 4h;

Reference yield:

: 105-07-7
4-cyanobenzaldehyde

: 1426800-24-9
2-allyl-5-(4-cyanophenyl)-7-methyl-3-oxo-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydrogencarbonate / N,N-dimethyl-formamide

2.1: pyridine / dichloromethane / 1.5 h / 0 °C / Cooling with ice

2.2: 4 h / 20 °C

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