7-Ethoxy-4H-benzo[1,4]thiazin-3-one

Base Information

• Chemical Name: 7-Ethoxy-4H-benzo[1,4]thiazin-3-one
• CAS No.: 71387-69-4
• Molecular Formula: C₁₀H₁₁NO₂S
• Molecular Weight: 209.269
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID10354309
• Nikkaji Number: J25.646C
• Wikidata: Q82132370
• Mol file: 71387-69-4.mol

Synonyms:7-Ethoxy-4H-benzo[1,4]thiazin-3-one;71387-69-4;7-ethoxy-4H-1,4-benzothiazin-3-one;7-ethoxy-3,4-dihydro-2H-1,4-benzothiazin-3-one;2H-1,4-Benzothiazin-3(4H)-one,7-ethoxy-;7-ethoxy-2H-benzo[b][1,4]thiazin-3(4H)-one;CBMicro_014432;Oprea1_207631;Oprea1_556666;DTXSID10354309;SMSF0005054;AKOS000115280;CB13182;4-TERT-BUTYL-3-NITROBENZOICACID;NCGC00340152-01;BIM-0014703.P001;CS-0218544;EN300-01317;AB01333535-02;SR-01000400039;SR-01000400039-1;Z56763069;F0352-0001;F1527-0020

Chemical Property of 7-Ethoxy-4H-benzo[1,4]thiazin-3-one

Chemical Property:

• Vapor Pressure: 1.17E-06mmHg at 25°C
• Boiling Point: 401.6°C at 760 mmHg
• Flash Point: 196.7°C
• PSA: 63.63000
• Density: 1.239g/cm³
• LogP: 2.26750
• XLogP3: 1.8
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 209.05104977
• Heavy Atom Count: 14
• Complexity: 222

Purity/Quality:

98%Min ^*data from raw suppliers

7-ETHOXY-4H-BENZO[1,4]THIAZIN-3-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCOC1=CC2=C(C=C1)NC(=O)CS2

Technology Process of 7-Ethoxy-4H-benzo[1,4]thiazin-3-one

There total 7 articles about 7-Ethoxy-4H-benzo[1,4]thiazin-3-one 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: 80.0%

methyl 2-((2-nitrophenyl)thio)acetate (50693-98-6) → 7-ethoxy-2H-benzo[b][1,4]thiazin-3(4H)-one (71387-69-4) + 4-hydroxy-2H-1,4-benzothiazin-3(4H)-one (21069-05-6)

Guidance literature:

With sulfuric acid; In ethanol; electrolysis;

Reference yield: 80.0%

ethanol (64-17-5) + methyl 2-((2-nitrophenyl)thio)acetate (50693-98-6) → 7-ethoxy-2H-benzo[b][1,4]thiazin-3(4H)-one (71387-69-4) + 4-hydroxy-2H-1,4-benzothiazin-3(4H)-one (21069-05-6)

Guidance literature:

electrolysis;

Reference yield: 43.0%

ethyl bromide (74-96-4) + 7-hydroxy-3,4-dihydro-3-oxo-2H(1,4)benzothiazine (91375-75-6) → 7-ethoxy-2H-benzo[b][1,4]thiazin-3(4H)-one (71387-69-4)

Guidance literature:

7-hydroxy-3,4-dihydro-3-oxo-2H(1,4)benzothiazine; With potassium carbonate; In ethanol; for 0.5h; Reflux;

ethyl bromide; In ethanol; Reflux;

DOI:10.1248/cpb.58.326

upstream raw materials:

4-Ethoxyaniline

ethanol

methyl 2-((2-nitrophenyl)thio)acetate

ethyl bromide