Technical Notes:
1. Precursor to the nucleophilic carbene that serves as a bulky, electron-rich "phosphine mimic" for metal-catalyzed reactions .
(a) Palladium-catalyzed Suzuki cross-coupling of aryl chlorides .
(b) Palladium-catalyzed Kumada cross-coupling of aryl chlorides.
(c) Ruthenium-carbene catalysts for ring-closing metathesis.
(d) Suzuki coupling of aryltrimethylammonium salts .
(e) Sonogashira coupling of aryl bromides .
2.Precursor to a nucleophilic carbene that serves as catalyst.
3.L igand for arylation of aldehydes .
4.L igand for carbene catalyzed inte rmolecular arylation of C-H bonds.
5.Catalyst for boron conjugate additions to cyclic and acyclic a,?-unsaturated carbonyls.
6.Ligand for dehydrogenative cyclocondensation of aldehydes, alkynes, and dialkylsilanes.
7.Precursor for carbene for conjugate silylation of alpha, beta-unsaturated carbonyls.
Strem
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