3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester

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Chemical Name:3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester
CAS No.:1443759-18-9
Molecular Formula:C₂₀H₂₇N₅O₃
Molecular Weight:385.466
Hs Code.:

Synonyms:3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester

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Chemical Property of 3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester

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Technology Process of 3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester

There total 3 articles about 3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl 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: 99.0%

: 24036-63-3
1-phenyl-1H-[1,2,4]triazole-3-carboxylic acid

: 259808-67-8
3,3-dimethyl-piperazine-1-carboxylic acid tert-butyl ester

: 1443759-18-9
3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester

Guidance literature:: With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 20 ℃; for 2h;

Reference yield:

: 62-53-3
aniline

: 1443759-18-9
3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium nitrite; tetrafluoroboric acid / water / 1 h / 0 °C

1.2: 20 °C / Cooling with ice

1.3: 48 h

2.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 2 h / 20 °C

With tetrafluoroboric acid; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; sodium nitrite; In water; N,N-dimethyl-formamide;

Reference yield:

: 98-80-6
phenylboronic acid

: 1443759-18-9
3,3-dimethyl-4-(1-phenyl-1Η-[1,2,4]triazole-3-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: pyridine; copper diacetate / dichloromethane / 72 h / 20 °C

1.2: 20 °C

2.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 2 h / 20 °C

With pyridine; copper diacetate; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In dichloromethane; N,N-dimethyl-formamide;