2,3-Dihydrothiophene

Base Information

• Chemical Name: 2,3-Dihydrothiophene
• CAS No.: 1120-59-8
• Molecular Formula: C4H6 S
• Molecular Weight: 86.1576
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID20149809
• Nikkaji Number: J562B
• Wikipedia: 2,3-Dihydrothiophene
• Wikidata: Q4596760
• Metabolomics Workbench ID: 46257
• Mol file: 1120-59-8.mol

Synonyms:2,3-Dihydrothiophene;1120-59-8;Thiophene, 2,3-dihydro-;dihydrothiophene;thiol-ene;2-thiole;2,3-dihydro-thiophene;Dihydro-2-(3H)-thiophene;DTXSID20149809;CHEBI:178613;AKOS006370205;Q4596760

Chemical Property of 2,3-Dihydrothiophene

Chemical Property:

• Vapor Pressure: 9.47mmHg at 25°C
• Melting Point: -110.2 °C
• Refractive Index: 1.4800 (estimate)
• Boiling Point: 135.6°C at 760 mmHg
• Flash Point: 34.1°C
• PSA: 25.30000
• Density: 1.057g/cm³
• LogP: 1.63700
• XLogP3: 1.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 86.01902136
• Heavy Atom Count: 5
• Complexity: 47.6

Purity/Quality:

98%,99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Other Classes -> Thiophenes
• Canonical SMILES: C1CSC=C1

Technology Process of 2,3-Dihydrothiophene

There total 7 articles about 2,3-Dihydrothiophene 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: 45.0%

2-But-3-ynyl-isothiourea; hydrobromide (77213-72-0) → 2,3-dihydrothiophene (1120-59-8) + 3-butyne-1-thiol (77213-87-7)

Guidance literature:

With ammonium hydroxide; hydroquinone; In water; at 45 ℃; for 1h; Yields of byproduct given;

Reference yield:

thiophene (188290-36-0,8014-23-1,25233-34-5) → 2,3-dihydrothiophene (1120-59-8) + 2,5-dihydro-thiophene (1708-32-3)

Guidance literature:

With methanol; ammonia; sodium;

DOI:10.1039/jr9510002556

Reference yield:

thiophene (188290-36-0,8014-23-1,25233-34-5) + ammonia (7664-41-7) + ammonium bromide → 2,3-dihydrothiophene (1120-59-8) + 2,5-dihydro-thiophene (1708-32-3)

Guidance literature:

DOI:10.1021/jo01119a001

upstream raw materials:

thiophene

2,3-dihydrothiophene-1-oxide

2-But-3-ynyl-isothiourea; hydrobromide

ammonia

Downstream raw materials:

2,3-dihydrothiophene-1,1-dioxide

fac-W(CO)3(Ph₂PCH₂CH₂PPh₂)(2,3-dihydrothiophene)

cis-W(CO)4(PMe₂Ph)(2,3-dihydrothiophene)

fac-Mo(CO)3(Ph₂PCH₂CH₂PPh₂)(2,3-dihydrothiophene)

Refernces

• 1、 Adhikari, Surya,Baryal, Kedar N.,Zhu, Danyang,Li, Xiaohua,Zhu, Jianglong. "Gold-catalyzed synthesis of 2-deoxy glycosides using S-But-3-ynyl thioglycoside donors". . p. 57 - 60. Retrieved 2013/04/23.
• 2、 Gollnick, Klaus,Fries, Siegfried. "Thermische Additionen von Acetylendicarbonsaeure-dimethylester an cyclische Thioenolether-1-oxide unter Ringerweiterung". . p. 849 - 850. Retrieved 2007/10/02.