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A general method for ɑ-elimination from alkyl halides with the hindered base obtained by lithiation of 2,2,6,6-Tetramethylpiperidine, A18712, to give carbenes, is illustrated by the formation of p-tolylcarbene and trapping by cyclopropane formation. For list of examples, see: Org. Synth. Coll., 6, 571 (1988):/n
Gefahrenhinweise (EU): H227-H302-H314-H318
Combustible liquid. Harmful if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage.
Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or if you feel unwell: