tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate

Base Information

Chemical Name:tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate
CAS No.:1448312-86-4
Molecular Formula:C₂₀H₂₁BrN₆O₅S
Molecular Weight:537.394
Hs Code.:

Synonyms:tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate

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Chemical Property of tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate

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Technology Process of tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate

There total 3 articles about tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-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: 82.0%

: 1448312-85-3
2-(3-bromo-5-nitrophenyl)-7-chloro-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one

: 57260-71-6
1-t-Butoxycarbonylpiperazine

: 1448312-86-4
tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In acetonitrile; at 100 ℃; for 2h; Microwave irradiation;

Reference yield:

: 6307-83-1
3-bromo-5-nitro-benzoic acid

: 1448312-86-4
tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: trichlorophosphate / 3 h / 80 °C / Cooling with ice

2.1: acetonitrile / 0.2 h / 100 °C / Microwave irradiation

2.2: 0.5 h / 150 °C / Microwave irradiation

3.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 2 h / 100 °C / Microwave irradiation

With N-ethyl-N,N-diisopropylamine; trichlorophosphate; In acetonitrile;

Reference yield:

: 1448312-84-2
5-(3-bromo-5-nitrophenyl)-1,3,4-thiadiazol-2-amine

: 1448312-86-4
tert-butyl 4-(2-(3-bromo-5-nitrophenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: acetonitrile / 0.2 h / 100 °C / Microwave irradiation

1.2: 0.5 h / 150 °C / Microwave irradiation

2.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 2 h / 100 °C / Microwave irradiation

With N-ethyl-N,N-diisopropylamine; In acetonitrile;