ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

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Chemical Name:ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate
CAS No.:851726-92-6
Molecular Formula:C₁₈H₁₉BrN₂O₄
Molecular Weight:407.264
Hs Code.:

Synonyms:ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

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Chemical Property of ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

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Technology Process of ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

There total 6 articles about ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-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:

: 851726-66-4
ethyl 8-(benzyloxy)-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

: 851726-92-6
ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

Guidance literature:: With bromine; sodium hydrogencarbonate; In dichloromethane; at 0 - 20 ℃; for 2h;

Reference yield:

: 851726-65-3
4-benzyloxycarbonyl-1-methyl-3,4-dihydropyrazin-2(1H)-one

: 851726-92-6
ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: hydrogen / 10% Pt/activated carbon / ethanol / 20 °C / 760.05 Torr

1.2: 24 h

2.1: toluene / 100 °C

3.1: lithium hexamethyldisilazane / tetrahydrofuran / 20 °C / Heating / reflux

4.1: potassium carbonate / N,N-dimethyl-formamide / 20 °C

5.1: bromine; sodium hydrogencarbonate / dichloromethane / 2 h / 0 - 20 °C

With hydrogen; bromine; sodium hydrogencarbonate; potassium carbonate; lithium hexamethyldisilazane; 10% Pt/activated carbon; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide; toluene;

Reference yield:

: 851726-64-2
benzyl (2-((2,2-dimethoxyethyl)(methyl)amino)-2-oxoethyl)carbamate

: 851726-92-6
ethyl 8-(benzyloxy)-6-bromo-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

Guidance literature:: Multi-step reaction with 6 steps

1.1: toluene-4-sulfonic acid / toluene / 4 h / 80 °C

2.1: hydrogen / 10% Pt/activated carbon / ethanol / 20 °C / 760.05 Torr

2.2: 24 h

3.1: toluene / 100 °C

4.1: lithium hexamethyldisilazane / tetrahydrofuran / 20 °C / Heating / reflux

5.1: potassium carbonate / N,N-dimethyl-formamide / 20 °C

6.1: bromine; sodium hydrogencarbonate / dichloromethane / 2 h / 0 - 20 °C

With hydrogen; bromine; sodium hydrogencarbonate; potassium carbonate; toluene-4-sulfonic acid; lithium hexamethyldisilazane; 10% Pt/activated carbon; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide; toluene;