(3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid

Base Information

• Chemical Name: (3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid
• CAS No.: 1307816-20-1
• Molecular Formula: C₁₉H₁₆ClNO₅S
• Molecular Weight: 405.859
• Mol file: 1307816-20-1.mol

Synonyms:(3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid

Chemical Property of (3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid

There total 6 articles about (3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid 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: 45.0%

(3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid benzhydryl ester (1307816-14-3) → (3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid (1307816-20-1)

Guidance literature:

With aluminum (III) chloride; In Nitroethane; dichloromethane; at -84 ℃; for 1h; Inert atmosphere;

DOI:10.1002/jhet.550

Reference yield:

(3S,7aR)-7-bromo-6-(3-chlorophenoxy)-2,2-dimethyl-5-oxo-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid benzhydryl ester (1307816-05-2) → (3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid (1307816-20-1)

Guidance literature:

Multi-step reaction with 2 steps

1: bis-triphenylphosphine-palladium(II) chloride; cetyldimethylbenzylammonium chloride; cesium fluoride / water; toluene / 3 h / Reflux; Inert atmosphere

2: aluminum (III) chloride / Nitroethane; dichloromethane / 1 h / -84 °C / Inert atmosphere

With aluminum (III) chloride; bis-triphenylphosphine-palladium(II) chloride; cetyldimethylbenzylammonium chloride; cesium fluoride; In Nitroethane; dichloromethane; water; toluene; 1: Suzuki-Miyaura coupling;

DOI:10.1002/jhet.550

Reference yield:

(3S,7aR)-7-bromo-6-(3-chlorophenoxy)-2,2-dimethyl-5-oxo-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid (1307816-02-9) → (3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid (1307816-20-1)

Guidance literature:

Multi-step reaction with 3 steps

1: dichloromethane / 20 °C

2: bis-triphenylphosphine-palladium(II) chloride; cetyldimethylbenzylammonium chloride; cesium fluoride / water; toluene / 3 h / Reflux; Inert atmosphere

3: aluminum (III) chloride / Nitroethane; dichloromethane / 1 h / -84 °C / Inert atmosphere

With aluminum (III) chloride; bis-triphenylphosphine-palladium(II) chloride; cetyldimethylbenzylammonium chloride; cesium fluoride; In Nitroethane; dichloromethane; water; toluene; 2: Suzuki-Miyaura coupling;

DOI:10.1002/jhet.550

upstream raw materials:

(3S,7aR)-7-bromo-6-(3-chlorophenoxy)-2,2-dimethyl-5-oxo-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid

(3S,7aR)-7-bromo-6-(3-chlorophenoxy)-2,2-dimethyl-5-oxo-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid benzhydryl ester

(3S,7aR)-6-(3-chlorophenoxy)-7-furan-3-yl-2,2-dimethyl-5-oxo-7-phenyl-2,3,5,7a-tetrahydro-pyrrolo[2,1-b]thiazole-3-carboxylic acid benzhydryl ester

4-bromo-3-(3-chlorophenoxy)-5H-furan-2-one