tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate

Base Information

• Chemical Name: tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate
• CAS No.: 374784-55-1
• Molecular Formula: C₂₅H₃₄N₄O₇
• Molecular Weight: 502.568
• Mol file: 374784-55-1.mol

Synonyms:tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate

Chemical Property of tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate

There total 8 articles about tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate 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: 39.0%

tert-butyl [6-bromo-3-(isopropylamino)-2-oxo-pyridin-1(2H)-yl]acetate (374784-54-0) + C11H15BN2O6 → tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate (374784-55-1)

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; caesium carbonate; In 1,4-dioxane; at 80 ℃; for 16h;

DOI:10.1021/jm0301686

Reference yield:

6-bromo-2-methoxy-pyridin-3-ylamine (89466-18-2) → tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate (374784-55-1)

Guidance literature:

Multi-step reaction with 5 steps

1: titanium(IV) chloride / CH₂Cl₂ / 3 h / 20 °C

2: 5.7 g / sodium cyanoborohydride / CH₂Cl₂ / 14 h / 20 °C

3: 78 percent / boron tribromide / CH₂Cl₂ / 16 h / 20 °C

4: 66 percent / calcium hydride / tetrahydrofuran / 18 h / Heating

5: 39 percent / tetrakis(triphenylphosphine)palladium⁽⁰⁾; cesium carbonate / dioxane / 16 h / 80 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; calcium hydride; boron tribromide; titanium tetrachloride; sodium cyanoborohydride; caesium carbonate; In tetrahydrofuran; 1,4-dioxane; dichloromethane; 5: Suzuki coupling;

DOI:10.1016/S0040-4020(03)01239-0

Reference yield:

2,6-dibromo-3-aminopyridine (39856-57-0) → tert-butyl [6-{3-[(tert-butoxycarbonyl)amino]-5-nitrophenyl}-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetate (374784-55-1)

Guidance literature:

Multi-step reaction with 6 steps

1: 84 percent / dioxane / 48 h / Heating

2: titanium(IV) chloride / CH₂Cl₂ / 3 h / 20 °C

3: 5.7 g / sodium cyanoborohydride / CH₂Cl₂ / 14 h / 20 °C

4: 78 percent / boron tribromide / CH₂Cl₂ / 16 h / 20 °C

5: 66 percent / calcium hydride / tetrahydrofuran / 18 h / Heating

6: 39 percent / tetrakis(triphenylphosphine)palladium⁽⁰⁾; cesium carbonate / dioxane / 16 h / 80 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; calcium hydride; boron tribromide; titanium tetrachloride; sodium cyanoborohydride; caesium carbonate; In tetrahydrofuran; 1,4-dioxane; dichloromethane; 6: Suzuki coupling;

DOI:10.1016/S0040-4020(03)01239-0

upstream raw materials:

tert-butyl [6-bromo-3-(isopropylamino)-2-oxo-pyridin-1(2H)-yl]acetate

2,6-dibromo-3-aminopyridine

2,6-dibromo-3-nitropyridine

6-bromo-2-methoxy-pyridin-3-ylamine

Downstream raw materials:

[6-(3-amino-5-nitrophenyl)-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetic acid

benzyl (1E)-amino{4-[({[6-(3-amino-5-nitrophenyl)-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetyl}amino)methyl]phenyl}methylenecarbamate

benzyl (1E)-amino{4-[({[6-(3-amino-5-nitrophenyl)-3-(isopropylamino)-2-oxopyridin-1(2H)-yl]acetyl}amino)methyl]phenyl}methylidenecarbamate