(-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one

Base Information

• Chemical Name: (-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one
• CAS No.: 956428-93-6
• Molecular Formula: C₁₉H₃₂N₂O₄Si
• Molecular Weight: 380.56
• Mol file: 956428-93-6.mol

Synonyms:(-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one

Chemical Property of (-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one

There total 2 articles about (-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one 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: 72.0%

(+)-(3R,4R)-4-((1R)-2-amino-1-[tert-butyl(dimethyl)silyloxy]ethyl)-3-methoxy-1-(4-methoxyphenyl)azetidin-2-one (956428-59-4) → (-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one (956428-93-6)

Guidance literature:

With sodium methylate; In methanol; for 8h; Heating;

DOI:10.1021/jo701452a

Reference yield:

(+)-(2S)-[tert-butyl(dimethyl)silyloxy][(2R,3R)-3-methoxy-1-(4-methoxyphenyl)-4-oxoazetidin-2-yl]acetonitrile (956428-49-2) → (-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one (956428-93-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 100 percent / sodium borohydride; nickel(II) chloride hexahydrate / methanol / 0 - 20 °C

2: 72 percent / sodium methoxide / methanol / 8 h / Heating

With sodium tetrahydroborate; sodium methylate; nickel dichloride; In methanol;

DOI:10.1021/jo701452a

Reference yield: 64.0%

(-)-(3R,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-3-methoxy-4-[(4-methoxyphenyl)amino]piperidin-2-one (956428-93-6) → (-)-(3R,4R,5S)-3-[tert-butyl(dimethyl)silyl]oxy-5-methoxy-N-(4-methoxyphenyl)piperidin-4-amine

Guidance literature:

With lithium aluminium tetrahydride; In diethyl ether; at 0 - 20 ℃;

DOI:10.1021/jo701452a

upstream raw materials:

(+)-(3R,4R)-4-((1R)-2-amino-1-[tert-butyl(dimethyl)silyloxy]ethyl)-3-methoxy-1-(4-methoxyphenyl)azetidin-2-one

(+)-(2S)-[tert-butyl(dimethyl)silyloxy][(2R,3R)-3-methoxy-1-(4-methoxyphenyl)-4-oxoazetidin-2-yl]acetonitrile

Downstream raw materials:

methyl (-)-{(3R,4R,5S)-3-[tert-butyl(dimethyl)silyl]oxy-5-methoxy-4-[(4-methoxyphenyl)amino]piperidin-1-yl}acetate