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 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	9369899 ;
ECHA InfoCard	100.161.358
EC Number	633-277-7;
PubChem CID	11194830;
UNII	7519WBL07L ;
CompTox Dashboard (EPA)	DTXSID50894113 ;
	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
	Occupational safety and health (OHS/OSH):
Main hazards	Irritant
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 1 mg/m3 (as Cu)[2]
REL (Recommended)	TWA 1 mg/m3 (as Cu)[2]
IDLH (Immediate danger)	TWA 100 mg/m3 (as Cu)[2]
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Copper(I) thiophene-2-carboxylate or CuTC is a coordination complex derived from copper and thiophene-2-carboxylic acid. It is used as a reagent to promote the Ullmann reaction between aryl halides.[3]

CuTC catalyzed Ullmann coupling

References

Copper(I) thiophene-2-carboxylate at Sigma-Aldrich
NIOSH Pocket Guide to Chemical Hazards. "#0150". National Institute for Occupational Safety and Health (NIOSH).
Shijie Zhang; Dawei Zhang; Lanny S. Liebeskind (1997). "Ambient Temperature, Ullmann-like Reductive Coupling of Aryl, Heteroaryl, and Alkenyl Halides". J. Org. Chem. 62 (8): 2312–2313. doi:10.1021/jo9700078. PMID 11671553.

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