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]
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Names | |
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IUPAC name Copper(I) thiophene-2-carboxylate | |
Other names CuTC | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.161.358 |
EC Number |
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PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C5H3CuO2S | |
Molar mass | 190.68 g·mol−1 |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards | Irritant |
GHS labelling: | |
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Warning | |
H315, H319, H335 | |
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). |
References
edit- ^ Copper(I) thiophene-2-carboxylate at Sigma-Aldrich
- ^ a b c 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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