(3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester

Base Information

• Chemical Name: (3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester
• CAS No.: 185522-70-7
• Molecular Formula: C₂₂H₂₅NO₇
• Molecular Weight: 415.443
• Mol file: 185522-70-7.mol

Synonyms:(3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester

Chemical Property of (3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester

There total 5 articles about (3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester 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: 95.0%

(3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-5-((1R,5S,7S)-10,10-dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]decane-4-carbonyl)-isoxazolidine-3-carboxylic acid ethyl ester (185522-68-3) → (3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester (185522-70-7)

Guidance literature:

With lithium hydroxide; dihydrogen peroxide; In water; at -15 - 0 ℃;

DOI:10.1016/0957-4166(96)00407-7

Reference yield:

bis(p-methoxyphenyl)methanone (90-96-0) → (3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester (185522-70-7)

Guidance literature:

Multi-step reaction with 5 steps

1: NH₂OH*HCl / ethanol / 3 h / 80 °C

2: borane-pyridine complex, HCl / ethanol / -5 °C

3: benzene / 0.5 h / Heating

4: 82 percent / toluene / 36 h / 25 °C

5: 95 percent / LiOH, H₂O₂ / H₂O / -15 - 0 °C

With hydrogenchloride; lithium hydroxide; borane pyridine; hydroxylamine hydrochloride; dihydrogen peroxide; In ethanol; water; toluene; benzene;

DOI:10.1016/0957-4166(96)00407-7

Reference yield:

4,4'-dimethoxybenzophenone oxime (54150-63-9) → (3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 3-ethyl ester (185522-70-7)

Guidance literature:

Multi-step reaction with 4 steps

1: borane-pyridine complex, HCl / ethanol / -5 °C

2: benzene / 0.5 h / Heating

3: 82 percent / toluene / 36 h / 25 °C

4: 95 percent / LiOH, H₂O₂ / H₂O / -15 - 0 °C

With hydrogenchloride; lithium hydroxide; borane pyridine; dihydrogen peroxide; In ethanol; water; toluene; benzene;

DOI:10.1016/0957-4166(96)00407-7

upstream raw materials:

(3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-5-((1R,5S,7S)-10,10-dimethyl-3,3-dioxo-3λ⁶-thia-4-aza-tricyclo[5.2.1.0^1,5]decane-4-carbonyl)-isoxazolidine-3-carboxylic acid ethyl ester

bis(p-methoxyphenyl)methanone

4,4'-dimethoxybenzophenone oxime

N-[Bis-(4-methoxy-phenyl)-methyl]-hydroxylamine

Downstream raw materials:

(3S,5S)-2-[Bis-(4-methoxy-phenyl)-methyl]-isoxazolidine-3,5-dicarboxylic acid 5-tert-butyl ester 3-ethyl ester