3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester

Base Information

• Chemical Name: 3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester
• CAS No.: 1093057-84-1
• Molecular Formula: C₄₄H₅₈N₂O₆S₂
• Molecular Weight: 775.086
• Mol file: 1093057-84-1.mol

Synonyms:3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester

Chemical Property of 3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester

There total 3 articles about 3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic 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: 95.0%

3-hydroxyimino-olean-12-en-28-oic acid methyl ester (35137-30-5) + 5-(4-methoxybenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl acetic acid → 3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester (1093057-84-1)

Guidance literature:

With dicyclohexyl-carbodiimide; In 1,4-dioxane; at 20 ℃;

DOI:10.1007/s00044-011-9893-9

Reference yield:

methyl 3-oxooleanolate (1721-58-0) → 3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester (1093057-84-1)

Guidance literature:

Multi-step reaction with 2 steps

1: hydroxylamine hydrochloride; sodium acetate / ethanol / Reflux

2: dicyclohexyl-carbodiimide / 1,4-dioxane / 20 °C

With hydroxylamine hydrochloride; sodium acetate; dicyclohexyl-carbodiimide; In 1,4-dioxane; ethanol;

DOI:10.1007/s00044-011-9893-9

Reference yield:

rhodanine 3-acetic acid (5718-83-2) + 4-methoxy-benzaldehyde (123-11-5) → 3-[5-(4-methoxyphenylmethylidene)rhodanine-3-acetyloxyimino]olean-12-en-28-oic acid methyl ester (1093057-84-1)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium acetate / acetic acid / 5 h / Reflux

2: dicyclohexyl-carbodiimide / 1,4-dioxane / 20 °C

With sodium acetate; dicyclohexyl-carbodiimide; In 1,4-dioxane; acetic acid; 1: |Knoevenagel Condensation;

DOI:10.1007/s00044-011-9893-9

upstream raw materials:

rhodanine 3-acetic acid

4-methoxy-benzaldehyde

3-hydroxyimino-olean-12-en-28-oic acid methyl ester

methyl 3-oxooleanolate