http://www.lycaeum.org/~rhodium/chemistry/ch3i-p2p.txt (http://www.lycaeum.org/~rhodium/chemistry/ch3i-p2p.txt)
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Osmium
Member posted 06-22-98 07:20 AM
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Wittig reaction is not a reaction for the bees. Difficult, butyl-Li involved, etc.
The Wittig reaction produces alkenes from carbonyl compounds, not propanones or butanones or other ketones.
Rathead's procedure uses grignards to make the alkyl-cadmium intermediate. This reacts with aldehydes to the ketone. If you use the unmodified grignard, an alcohol will result.
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