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Synthesis 1973; 1973(8): 457-468
DOI: 10.1055/s-1973-22234
review
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Catalytic Semihydrogenation of the Triple Bond

Elliot N. MARVELL* , Thomas LI
  • *Oregon State University, Corvallis, Oregon 97331, U. S. A.
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Publication History

Publication Date:
12 September 2002 (online)

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This review surveys the various catalysts used for the semihydrogenation process. For each of these the bond selectivity, stereoselectivity, and some examples of its synthetic utility are presented. 1. Palladium Catalysts for Isolated Triple Bonds 1.1. Bond Selectivity 1.2. Stereoselectivity 1.3. Use in Synthesis 2. Palladium Catalysts for Conjugated Triple Bonds 2.1. Bond Selectivity 2.2. Stereoselectivity 2.3. Conjugation to Aldehyde or Ketone Groups 2.4. Use in Synthesis 3. Nickel Catalysts 3.1. Bond Selectivity 3.2. Stereoselectivity 3.3. Use in Synthesis 4. Miscellaneous Catalysts 4.1. Raney Iron 4.2. Rhodium 4.3. Platinum 4.4. Homogeneous Catalysts