Keywords
Acetylene
aminoacroleins
nitriles
pyrroles
superbases.
Abstract
Benzonitriles react with acetylene gas (12-14 °C, 15 min) in the KOBut/DMSO/THF system to afford 2-aryl-3-ethynyl-4-aroyl-5-methylpyrroles and arylaminoacroleins that result from self-organization (in the presence of trace water) of two molecules of benzonitrile with three molecules of acetylene and one molecule of benzonitrile with one molecule of acetylene, respectively.
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