2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide

Base Information

• Chemical Name: 2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide
• CAS No.: 21400-55-5
• Molecular Formula: C₄₁H₄₃N₂O₂S₂*I
• Molecular Weight: 786.841

Synonyms:

Chemical Property of 2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of 2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide

There total 3 articles about 2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide 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:

7-methyl-4H-benzopyran-4-one (5751-51-9) → 2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide (21400-55-5)

Guidance literature:

Multi-step reaction with 2 steps

1: (i) Ac₂O, (ii) /BRN= 973036/, AcOH

2: (i) Et₃N, Py, (ii) KI, MeOH

DOI:10.1007/BF00755276

Reference yield:

3-ethyl-2-methylene-2,3-dihydro-benzothiazole (25082-84-2) → 2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide (21400-55-5)

Guidance literature:

Multi-step reaction with 2 steps

1: (i) Ac₂O, (ii) /BRN= 973036/, AcOH

2: (i) Et₃N, Py, (ii) KI, MeOH

DOI:10.1007/BF00755276

Reference yield:

acetic anhydride (108-24-7) + 3-ethyl-2-(3,5,5-trimethyl-cyclohex-2-enylidenemethyl)-benzothiazolium; iodide (34685-93-3) + 4-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-7-methyl-chromenylium; 2-nitro-benzenesulfonate (21172-19-0) → 2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide (21400-55-5)

Guidance literature:

Multistep reaction; (i) Et₃N, Py, (ii) KI, MeOH;

DOI:10.1007/BF00755276

upstream raw materials:

acetic anhydride

3-ethyl-2-(3,5,5-trimethyl-cyclohex-2-enylidenemethyl)-benzothiazolium; iodide

4-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-7-methyl-chromenylium; 2-nitro-benzenesulfonate

7-methyl-4H-benzopyran-4-one

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