(2Z)-3-ethyl-2-[(2E)-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]-2,3-dihydro-1,3-benzothiazole

Base Information

• Chemical Name: (2Z)-3-ethyl-2-[(2E)-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]-2,3-dihydro-1,3-benzothiazole
• CAS No.: 2814-60-0
• Molecular Formula: C₁₈H₁₈N₄S₂
• Molecular Weight: 354.5
• Mol file: 2814-60-0.mol

Synonyms:2(3H)-Benzothiazolone,3-ethyl-, (3-ethyl-2(3H)-benzothiazolylidene)hydrazone (9CI);2-Benzothiazolinone, 3-ethyl-, azine (7CI,8CI); 2,2'-(3-Ethylbenzothiazolinone)azine

Chemical Property of (2Z)-3-ethyl-2-[(2E)-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]-2,3-dihydro-1,3-benzothiazole

Chemical Property:

• Vapor Pressure: 2.9E-11mmHg at 25°C
• Boiling Point: 528.7°Cat760mmHg
• Flash Point: 273.5°C
• Density: 1.32g/cm³
• XLogP3: 5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 3
• Exact Mass: 354.09728894
• Heavy Atom Count: 24
• Complexity: 475

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCN1C2=CC=CC=C2SC1=NN=C3N(C4=CC=CC=C4S3)CC
• Isomeric SMILES: CCN\1C2=CC=CC=C2S/C1=N/N=C\3/N(C4=CC=CC=C4S3)CC

Technology Process of (2Z)-3-ethyl-2-[(2E)-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]-2,3-dihydro-1,3-benzothiazole

There total 23 articles about (2Z)-3-ethyl-2-[(2E)-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]-2,3-dihydro-1,3-benzothiazole 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-ethyl-2-benzothiazolinone hydrazone (28218-93-1) + 3-ethyl-2-iminobenzothiazoline hydrochloride salt (80249-43-0) → 2,2'-azino-bis(3-ethylbenzothiazoline) (2814-60-0)

Guidance literature:

With pyridine; for 11h; Reflux;

DOI:10.1016/j.saa.2021.119503

Reference yield: 87.0%

3-ethyl-2-benzothiazolinone hydrazone (28218-93-1) + 3-ethylbenzo[d]thiazol-2(3H)-iminium bromide → 2,2'-azino-bis(3-ethylbenzothiazoline) (2814-60-0)

Guidance literature:

With pyridine; for 12h; Reagent/catalyst; Solvent; Reflux;

DOI:10.1080/00397911.2014.951897

Reference yield: 86.0%

3-ethyl-2-benzothiazolinone (6468-14-0) → 2,2'-azino-bis(3-ethylbenzothiazoline) (2814-60-0)

Guidance literature:

With hydrazine hydrate; In ethanol; for 4h; Solvent; Reflux;

upstream raw materials:

2-methylmercaptobenzothiazole

ethyl ester of p-toluenesulfonic acid

3-ethyl-2-benzothiazolinone hydrazone

(3-ethyl-3H-benzothiazol-2-ylidene)-nitroso-amine

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