Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"halogen-metal exchange"”.
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Complex-induced proximity effects in proton transfer and halogen-metal exchange reactions
… transfer of an acidic deuterium to a site of halogen-lithium exchange could be interpreted to show that initial halogen-lithium exchange occurs faster than loss of the acidic deuterium. However studies of the competition between halogen-metal exchange and deuterium loss for …
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Total synthesis of nemorosone and nemorosone II
… a difficult bridgehead iodination, followed by halogen-metal exchange and benzoylation. Chapter 2 describes our total synthesisof nemorosone (4) in 13 synthetic steps and 6% overall yield. Chapter 3 describes the first total synthesis of the type C PPAP nemorosone II (150) in 10 synthetic steps …
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Stereochemistry of small molecules: Configurational and conformational control
… other in modern stereochemistry. Chiral organometallics feature prominently in organic synthesis as reactive intermediates. The possibility of exploring their stereochemistry in synthesis is associated with the configurational stability of the metal-bearing stereogenic center. We were …