(R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

Base Information

Chemical Name:(R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate
CAS No.:1356332-59-6
Molecular Formula:C₂₆H₂₇N₃O₄
Molecular Weight:445.518
Hs Code.:

Synonyms:(R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

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Chemical Property of (R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

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Technology Process of (R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

There total 7 articles about (R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-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:

: 134-81-6
benzil

: 1356332-59-6
(R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

: 1356332-60-9
(S)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

Guidance literature:: Multi-step reaction with 6 steps

1: acetic acid / 0.17 h / 160 °C / microwave irradiation

2: triethylamine; hydrogen / palladium 10% on activated carbon / tetrahydrofuran / 61 h / 20 °C / 75.01 Torr

3: dmap / tetrahydrofuran / 125 h / 20 °C

4: N-Bromosuccinimide / dilauryl peroxide / tetrachloromethane / 4.25 h / 60 °C / Inert atmosphere

5: dichloromethane / 20 °C / Inert atmosphere

6: Chiralcel OJ-H / Resolution of racemate

With N-Bromosuccinimide; hydrogen; acetic acid; triethylamine; dmap; dilauryl peroxide; palladium 10% on activated carbon; In tetrahydrofuran; tetrachloromethane; dichloromethane;

Reference yield:

: 52333-36-5
diphenyl-2,3 tetrahydro-5,6,7,8 pyrido<2,3-b>pyrazine

: 1356332-59-6
(R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

: 1356332-60-9
(S)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: dmap / tetrahydrofuran / 125 h / 20 °C

2: N-Bromosuccinimide / dilauryl peroxide / tetrachloromethane / 4.25 h / 60 °C / Inert atmosphere

3: dichloromethane / 20 °C / Inert atmosphere

4: Chiralcel OJ-H / Resolution of racemate

With N-Bromosuccinimide; dmap; dilauryl peroxide; In tetrahydrofuran; tetrachloromethane; dichloromethane;

Reference yield:

: 1232-99-1
2,3-diphenylpyrido[3,2-b]pyrazine

: 1356332-59-6
(R)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

: 1356332-60-9
(S)-tert-butyl 8-acetoxy-2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazine-5(6H)-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1: triethylamine; hydrogen / palladium 10% on activated carbon / tetrahydrofuran / 61 h / 20 °C / 75.01 Torr

2: dmap / tetrahydrofuran / 125 h / 20 °C

3: N-Bromosuccinimide / dilauryl peroxide / tetrachloromethane / 4.25 h / 60 °C / Inert atmosphere

4: dichloromethane / 20 °C / Inert atmosphere

5: Chiralcel OJ-H / Resolution of racemate

With N-Bromosuccinimide; hydrogen; triethylamine; dmap; dilauryl peroxide; palladium 10% on activated carbon; In tetrahydrofuran; tetrachloromethane; dichloromethane;