(3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine

Base Information

• Chemical Name: (3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine
• CAS No.: 430461-29-3
• Molecular Formula: C₂₁H₂₃NO₃
• Molecular Weight: 337.419
• Mol file: 430461-29-3.mol

Synonyms:(3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine

Chemical Property of (3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine

There total 2 articles about (3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine 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: 61.0%

D-2-phenylglycinol (56613-80-0) + methyl 4-(4-methoxyphenyl)-5-oxohexanoate (430460-97-2) → (3R,8R,8aR)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine (430461-97-5) + (3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine (430461-29-3)

Guidance literature:

With toluene-4-sulfonic acid; In toluene; for 14h; Heating;

DOI:10.1021/jo025894f

Reference yield:

4-methoxybenzyl methyl ketone (122-84-9) → (3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine (430461-29-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 65 percent / NaH

2: 61 percent / p-TsOH / toluene / 14 h / Heating

With sodium hydride; toluene-4-sulfonic acid; In toluene;

DOI:10.1021/jo025894f

Reference yield: 94.0%

(3R,8S,8aS)-8-(4-methoxyphenyl)-8a-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine (430461-29-3) → (2R,3S)-1-[(1R)-2-hydroxy-1-phenylethyl]-3-(4-methoxyphenyl)-2-methylpiperidine (430461-59-9)

Guidance literature:

With lithium aluminium tetrahydride; aluminium trichloride; In tetrahydrofuran; at -78 - 20 ℃; for 3.5h;

DOI:10.1021/jo025894f

upstream raw materials:

D-2-phenylglycinol

methyl 4-(4-methoxyphenyl)-5-oxohexanoate

4-methoxybenzyl methyl ketone

Downstream raw materials:

(2R,3S)-1-[(1R)-2-hydroxy-1-phenylethyl]-3-(4-methoxyphenyl)-2-methylpiperidine

(2R,3S)-3-(4-methoxyphenyl)-2-methyl-1-propylpiperidine