1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl ester

Base Information

• Chemical Name: 1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl ester
• CAS No.: 29203-17-6
• Molecular Formula: C₂₁H₂₂N₂O₇
• Molecular Weight: 414.415
• Mol file: 29203-17-6.mol

Synonyms:1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl ester

Chemical Property of 1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl ester

There total 2 articles about 1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl 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: 72.5%

2-nitro-3-benzyloxy-4-methylbenzoyl chloride (7536-35-8) + (S)-4-Hydroxy-pyrrolidine-2-carboxylic acid methyl ester, hydrochloride (40126-30-5,40216-83-9,114676-59-4,116839-10-2) → 1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl ester (29203-17-6)

Guidance literature:

With triethylamine; In dichloromethane; for 1h;

Reference yield:

→ 1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-L-hydroxyprolinmethylester (29203-17-6)

Guidance literature:

L-Hydroxyprolinmethylester, 3-Benzyloxy-4-methyl-2-nitro-benzoylchlorid;

DOI:10.1021/ja01022a078

Reference yield:

1-(3-Benzyloxy-4-methyl-2-nitro-benzoyl)-4-hydroxy-pyrrolidine-2-carboxylic acid methyl ester (29203-17-6) → 3,7-Dimethyl-1-phenyl-7,8-dihydro-2-oxa-7,9a-diaza-benzo[cd]azulene-6,9-dione (78205-52-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 1. sodium dithionite, 2. aq. HCl / 1. 50percent aq. THF

2: 80.2 percent / H₂ / 10percent Pd/C / Ambient temperature

3: 52 percent / 0.33 h / 200 °C

With hydrogenchloride; sodium dithionite; hydrogen; palladium on activated charcoal;

upstream raw materials:

2-nitro-3-benzyloxy-4-methylbenzoyl chloride

(S)-4-Hydroxy-pyrrolidine-2-carboxylic acid methyl ester, hydrochloride

Downstream raw materials:

9-Benzyloxy-4,8-dimethyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione

3,7-Dimethyl-1-phenyl-7,8-dihydro-2-oxa-7,9a-diaza-benzo[cd]azulene-6,9-dione