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

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Chemical Name:ethyl 8-(benzyloxy)-6-bromo-2-(4-fluorobenzyl)-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate
CAS No.:870006-54-5
Molecular Formula:C₂₄H₂₂BrFN₂O₄
Molecular Weight:501.352
Hs Code.:

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

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

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

There total 9 articles about ethyl 8-(benzyloxy)-6-bromo-2-(4-fluorobenzyl)-1-oxo-1,2,3,4-tetrahydropyrrolo[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:

: 870006-53-4
ethyl 8-(benzyloxy)-2-(4-fluorobenzyl)-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate

: 870006-54-5
ethyl 8-(benzyloxy)-6-bromo-2-(4-fluorobenzyl)-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate

Guidance literature:: With bromine; sodium hydrogencarbonate; In dichloromethane; at 20 ℃; for 0.5h;

Reference yield:

: N²-benzyloxycarbonyl-N¹-(2,2-dimethoxyethyl)-N¹-(4-fluorobenzyl)-glycinamide

: 870006-54-5
ethyl 8-(benzyloxy)-6-bromo-2-(4-fluorobenzyl)-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate

Guidance literature:: Multi-step reaction with 6 steps

1: toluene-4-sulfonic acid / toluene / 120 h / 75 °C

2: hydrogen / palladium(II) hydroxide/carbon / methanol / 20 °C / 760.05 Torr

3: toluene / 4 h / 80 °C

4: lithium hexamethyldisilazane / tetrahydrofuran; N,N-dimethyl-formamide / 0 - 20 °C

5: caesium carbonate / N,N-dimethyl-formamide / 20 °C

6: bromine; sodium hydrogencarbonate / dichloromethane / 0.5 h / 20 °C

With hydrogen; bromine; sodium hydrogencarbonate; caesium carbonate; toluene-4-sulfonic acid; lithium hexamethyldisilazane; palladium(II) hydroxide/carbon; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; toluene;

Reference yield:

: 675189-49-8
4-benzyloxycarbonyl-1-(4-fluorobenzyl)-3,4-dihydropyrazin-2(1H)-one

: 870006-54-5
ethyl 8-(benzyloxy)-6-bromo-2-(4-fluorobenzyl)-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1: hydrogen / palladium(II) hydroxide/carbon / methanol / 20 °C / 760.05 Torr

2: toluene / 4 h / 80 °C

3: lithium hexamethyldisilazane / tetrahydrofuran; N,N-dimethyl-formamide / 0 - 20 °C

4: caesium carbonate / N,N-dimethyl-formamide / 20 °C

5: bromine; sodium hydrogencarbonate / dichloromethane / 0.5 h / 20 °C

With hydrogen; bromine; sodium hydrogencarbonate; caesium carbonate; lithium hexamethyldisilazane; palladium(II) hydroxide/carbon; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; toluene;