5-thien-2-yl-1,3,4-oxadiazol-2(3H)-one

Base Information

• Chemical Name: 5-thien-2-yl-1,3,4-oxadiazol-2(3H)-one
• CAS No.: 128772-83-8
• Molecular Formula: C₆H₄N₂O₂S
• Molecular Weight: 168.176
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID00427874
• Wikidata: Q82240599
• Mol file: 128772-83-8.mol

Synonyms:128772-83-8;5-thien-2-yl-1,3,4-oxadiazol-2(3H)-one;5-thiophen-2-yl-3H-1,3,4-oxadiazol-2-one;5-(Thiophen-2-yl)-1,3,4-oxadiazol-2(3H)-one;5-(thiophen-2-yl)-2,3-dihydro-1,3,4-oxadiazol-2-one;1,3,4-Oxadiazol-2(3H)-one, 5-(2-thienyl)-;HMS1776G16;DTXSID00427874;ODC101307;AKOS008053817;CS-0234659;EN300-14529;Z104341540

Chemical Property of 5-thien-2-yl-1,3,4-oxadiazol-2(3H)-one

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 87.39000
• Density: 1.68g/cm³
• LogP: 1.50370
• XLogP3: 1.4
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 167.99934855
• Heavy Atom Count: 11
• Complexity: 217

Purity/Quality:

95% ^*data from raw suppliers

5-(thiophen-2-yl)-2,3-dihydro-1,3,4-oxadiazol-2-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CSC(=C1)C2=NNC(=O)O2

Technology Process of 5-thien-2-yl-1,3,4-oxadiazol-2(3H)-one

There total 3 articles about 5-thien-2-yl-1,3,4-oxadiazol-2(3H)-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: 89.7%

2-thienylhydrazide (2361-27-5) + Chlorameisensaeure-N-hydroxy-norborn-5-en-2,3-dicarboximidester (99502-89-3) → 5-[2]thienyl-3H-[1,3,4]oxadiazol-2-one (128772-83-8)

Guidance literature:

With pyridine; dmap; In tetrahydrofuran; 1) 0 deg C, 1 h, 2) 3 h, room temperature;

Reference yield: 80.0%

2-thienylhydrazide (2361-27-5) + 1,1'-carbonyldiimidazole (530-62-1) → 5-[2]thienyl-3H-[1,3,4]oxadiazol-2-one (128772-83-8)

Guidance literature:

In tetrahydrofuran; Heating;

DOI:10.1055/s-2005-870020

Reference yield:

phosgene (75-44-5) + 2-thienylhydrazide (2361-27-5) → 5-[2]thienyl-3H-[1,3,4]oxadiazol-2-one (128772-83-8)

Guidance literature:

With water; toluene;

DOI:10.1021/ja01637a054

upstream raw materials:

phosgene

2-thienylhydrazide

Chlorameisensaeure-N-hydroxy-norborn-5-en-2,3-dicarboximidester

1,1'-carbonyldiimidazole