(4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane

Base Information

• Chemical Name: (4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane
• CAS No.: 146726-49-0
• Molecular Formula: C₁₆H₂₃NO₅
• Molecular Weight: 309.362
• Mol file: 146726-49-0.mol

Synonyms:(4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane

Chemical Property of (4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane

There total 3 articles about (4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane 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: 88.0%

4-methoxy-aniline (104-94-9) + (4S,5S)-2-formyl-2-methyl-4,5-dimethoxymethyl-1,3-dioxolane (143658-94-0) → (4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane (146726-49-0)

Guidance literature:

With 4 A molecular sieve; In dichloromethane; for 16h; Ambient temperature;

DOI:10.1016/0040-4020(92)80013-6

Reference yield:

(-)-(2S,3S)-1,4-dimethoxy-2,3-butanediol (50622-10-1) → (4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane (146726-49-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 91 percent / p-toluenesulfonic acid, molecular sieves 4 Angstroem / benzene / 4 h / Heating

2: 1.) (COCl)2, DMSO, 2.) triethylamine / 1.) CH₂Cl₂, -78 deg C, 1 h, 2.) r.t., 8 h

3: 88 percent / molecular sieves 4 Angstroem / CH₂Cl₂ / 16 h / Ambient temperature

With oxalyl dichloride; 4 A molecular sieve; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine; In dichloromethane; benzene;

DOI:10.1016/0040-4020(92)80013-6

Reference yield:

(4S,5S)-2-hydroxymethyl-2-methyl-4,5-dimethoxy-1,3-dioxolane (139308-13-7) → (4S,5S)-4,5-dimethoxymethyl-2-(N-p-methoxyphenyl)iminomethyl-2-methyl-1,3-dioxolane (146726-49-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) (COCl)2, DMSO, 2.) triethylamine / 1.) CH₂Cl₂, -78 deg C, 1 h, 2.) r.t., 8 h

2: 88 percent / molecular sieves 4 Angstroem / CH₂Cl₂ / 16 h / Ambient temperature

With oxalyl dichloride; 4 A molecular sieve; dimethyl sulfoxide; triethylamine; In dichloromethane;

DOI:10.1016/0040-4020(92)80013-6

upstream raw materials:

4-methoxy-aniline

(4S,5S)-2-formyl-2-methyl-4,5-dimethoxymethyl-1,3-dioxolane

(-)-(2S,3S)-1,4-dimethoxy-2,3-butanediol

(4S,5S)-2-hydroxymethyl-2-methyl-4,5-dimethoxy-1,3-dioxolane

Downstream raw materials:

(4S)-4-<(4S,5S)-4,5-dimethoxymethyl-2-methyl-1,3-dioxolan-2-yl>-1-p-methoxyphenyl-3,3-diethyl-2-azetidinone

(4R)-4-<(4S,5S)-4,5-dimethoxymethyl-2-methyl-1,3-dioxolan-2-yl>-1-p-methoxyphenyl-3,3-diethyl-2-azetidinone

(4R)-4-<(4S,5S)-4,5-dimethoxymethyl-2-methyl-1,3-dioxolan-2-yl>-1-p-methoxyphenyl-3,3-dimethyl-2-azetidinone

(4S)-4-<(4S,5S)-4,5-dimethoxymethyl-2-methyl-1,3-dioxolan-2-yl>-1-p-methoxyphenyl-3,3-dimethyl-2-azetidinone