Chapter 7-8 (25-10-2019) updated.pdf - Reduction of Alkynes • Alkynes undergo reduction addition reactions to alkenes 1 Pd/C reduction to alkanes(cis

Chapter 7-8 (25-10-2019) updated.pdf - Reduction of Alkynes...

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Reduction of Alkynes Alkynes undergo reduction addition reactions to alkenes: 1) Pd/C reduction to alkanes ( cis addition); 2) Lindlar catalyst to cis -alkenes; 3) Use Dissolving Metal Reduction for trans reduction
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Hydration of Alkynes similarly .... tautomerization The product is a ketone (!) due to the formation of an enol which is a tautomer of a ketone CH 3 CH 2 CH-CH 3 CH 3 CH 2 CH=CH 2
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