tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate

Base Information

Chemical Name:tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate
CAS No.:1432755-71-9
Molecular Formula:C₃₂H₄₂N₄O₈S
Molecular Weight:642.773
Hs Code.:

Synonyms:tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate

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Chemical Property of tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate

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Technology Process of tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate

There total 5 articles about tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-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: 76.0%

: 1232423-55-0
tert-butyl N-(5-bromo-3-ethynyl-pyrazin-2-yl)-N-tert-butoxycarbonyl-carbamate

: 1427750-91-1
tert-butyl 3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]sulfonylpiperidine-1-carboxylate

: 1432755-71-9
tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate

Guidance literature:: With potassium phosphate; bis(tri-t-butylphosphine)palladium⁽⁰⁾; at 20 ℃; for 1h; Inert atmosphere;

Reference yield:

: 85275-45-2
N-tert-butoxycarbonyl-3-piperidinol

: 1432755-71-9
tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1: triethylamine / dichloromethane / 3 h / 0 - 20 °C

2: potassium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C

3: 3-chloro-benzenecarboperoxoic acid / 3 h / 20 °C

4: potassium acetate; (bis(tricyclohexyl)phosphine)palladium(II) dichloride / 1,4-dioxane / 18 h / 110 °C / Inert atmosphere

5: bis(tri-t-butylphosphine)palladium⁽⁰⁾; potassium phosphate / 1 h / 20 °C / Inert atmosphere

With potassium phosphate; (bis(tricyclohexyl)phosphine)palladium(II) dichloride; bis(tri-t-butylphosphine)palladium⁽⁰⁾; potassium acetate; potassium carbonate; triethylamine; 3-chloro-benzenecarboperoxoic acid; In 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 1432755-77-5
tert-butyl 3-((4-bromophenyl)thio)piperidine-1-carboxylate

: 1432755-71-9
tert-butyl 3-[4-[5-[bis(tert-butoxycarbonyl)amino]-6-ethynyl-pyrazin-2-yl]phenyl]sulfonylpiperidine-1-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 3-chloro-benzenecarboperoxoic acid / 3 h / 20 °C

2: potassium acetate; (bis(tricyclohexyl)phosphine)palladium(II) dichloride / 1,4-dioxane / 18 h / 110 °C / Inert atmosphere

3: bis(tri-t-butylphosphine)palladium⁽⁰⁾; potassium phosphate / 1 h / 20 °C / Inert atmosphere

With potassium phosphate; (bis(tricyclohexyl)phosphine)palladium(II) dichloride; bis(tri-t-butylphosphine)palladium⁽⁰⁾; potassium acetate; 3-chloro-benzenecarboperoxoic acid; In 1,4-dioxane;