Butanoic acid, 2-[(2,3-dichlorophenyl)methylene]-3-oxo-, 2-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)ethyl ester

Base Information

• Chemical Name: Butanoic acid, 2-[(2,3-dichlorophenyl)methylene]-3-oxo-, 2-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)ethyl ester
• CAS No.: 141294-06-6
• Molecular Formula: C20H15Cl2NO6S
• Molecular Weight: 468.314
• Mol file: 141294-06-6.mol

Synonyms:

Chemical Property of Butanoic acid, 2-[(2,3-dichlorophenyl)methylene]-3-oxo-, 2-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)ethyl ester

Chemical Property:

Purity/Quality:

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Technology Process of Butanoic acid, 2-[(2,3-dichlorophenyl)methylene]-3-oxo-, 2-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)ethyl ester

There total 1 articles about Butanoic acid, 2-[(2,3-dichlorophenyl)methylene]-3-oxo-, 2-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)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%

2,3-dichlorobenzylaldehyde (6334-18-5) + 2-(1,1,3-trioxo-2,3-dihydro-1,2-benzisothiazol-2-yl)ethyl acetylacetate (113658-92-7) → 2-[1-(2,3-Dichloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid 2-(1,1,3-trioxo-1,3-dihydro-1λ6-benzo[d]isothiazol-2-yl)-ethyl ester (141294-06-6)

Guidance literature:

With piperidine; acetic acid; In isopropyl alcohol; 1.) 40 deg C, 1 h, 2.) RT, 16 h, 3.) 0 deg C, 2 h;

DOI:10.1021/jm00091a008

Reference yield: 80.0%

tert-butyl (2E)-3-aminobut-2-enoate (856427-32-2) + 2-[1-(2,3-Dichloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid 2-(1,1,3-trioxo-1,3-dihydro-1λ6-benzo[d]isothiazol-2-yl)-ethyl ester (141294-06-6) → 4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-tert-butyl ester 5-[2-(1,1,3-trioxo-1,3-dihydro-1λ6-benzo[d]isothiazol-2-yl)-ethyl] ester (136941-96-3)

Guidance literature:

In ethanol; for 14h; Heating;

DOI:10.1021/jm00091a008

Reference yield: 79.0%

isopropyl β-aminocrotonate (143093-33-8) + 2-[1-(2,3-Dichloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid 2-(1,1,3-trioxo-1,3-dihydro-1λ6-benzo[d]isothiazol-2-yl)-ethyl ester (141294-06-6) → 4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-isopropyl ester 5-[2-(1,1,3-trioxo-1,3-dihydro-1λ6-benzo[d]isothiazol-2-yl)-ethyl] ester (136941-57-6)

Guidance literature:

In ethanol; for 20h; Heating;

DOI:10.1021/jm00091a008

upstream raw materials:

2,3-dichlorobenzylaldehyde

2-(1,1,3-trioxo-2,3-dihydro-1,2-benzisothiazol-2-yl)ethyl acetylacetate

Downstream raw materials:

4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-tert-butyl ester 5-[2-(1,1,3-trioxo-1,3-dihydro-1λ⁶-benzo[d]isothiazol-2-yl)-ethyl] ester

4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-isopropyl ester 5-[2-(1,1,3-trioxo-1,3-dihydro-1λ⁶-benzo[d]isothiazol-2-yl)-ethyl] ester

4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-(2-methoxy-ethyl) ester 5-[2-(1,1,3-trioxo-1,3-dihydro-1λ⁶-benzo[d]isothiazol-2-yl)-ethyl] ester

4-(2,3-Dichloro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-[2-(1,1,3-trioxo-1,3-dihydro-1λ⁶-benzo[d]isothiazol-2-yl)-ethyl] ester

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