Copper(I)-thiophene-2-carboxylate

Copper(I)-thiophene-2-carboxylate^[1]

Names
IUPAC name Copper(I) thiophene-2-carboxylate
Other names CuTC
Identifiers
CAS Number	68986-76-5
ChemSpider	9369899
Jmol interactive 3D	Image Image
PubChem	11194830
InChI InChI=1S/C5H4O2S.Cu/c6-5(7)4-2-1-3-8-4;/h1-3H,(H,6,7);/q;+1/p-1 Key: SFJMFSWCBVEHBA-UHFFFAOYSA-M InChI=1/C5H4O2S.Cu/c6-5(7)4-2-1-3-8-4;/h1-3H,(H,6,7);/q;+1/p-1 Key: SFJMFSWCBVEHBA-REWHXWOFAY
SMILES O=C([O-])C1=CC=CS1.[Cu+] [Cu+].[O-]C(=O)c1sccc1
Properties
Chemical formula	C5H3CuO2S
Molar mass	190.68 g·mol^−1
Hazards
Main hazards	Irritant (Xi)
R-phrases	R36/37/38
S-phrases	S26
US health exposure limits (NIOSH):
PEL (Permissible)	TWA 1 mg/m^3 (as Cu)[2]
REL (Recommended)	TWA 1 mg/m^3 (as Cu)[2]
IDLH (Immediate danger	TWA 100 mg/m^3 (as Cu)[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Copper(I)-thiophene-2-carboxylate or CuTC is a thiophene and a reagent in organic chemistry that especially promotes the Ullmann reaction between aryl halides.^[3]

References

1. Copper(I) thiophene-2-carboxylate at Sigma-Aldrich
2. "NIOSH Pocket Guide to Chemical Hazards #0150". National Institute for Occupational Safety and Health (NIOSH).
3. Jwanro Hassan, Marc Sévignon, Christel Gozzi, Emmanuelle Schulz, and Marc Lemaire (2002). "Aryl-Aryl Bond Formation One Century after the Discovery of the Ullmann Reaction" (PDF). Chem. Rev. 102 (5): 1359–1470. doi:10.1021/cr000664r. PMID 11996540.