Abstract
Abstract An efficient catalytic internal redox reaction (hydride shift mediated C(sp3)–H bond functionalization) has been developed, which has the following salient features: (1) C(sp3)–H bond functionalization, (2) Lewis and/or Brønsted acid catalyzed reaction (transition metals employed in conventional C–H bond functionalization are not required), and (3) construction of complex polycycles that are otherwise difficult to synthesize by conventional methods. Our recent efforts on the development of novel types of C(sp3)–H bond functionalization mediated by the hydride shift/cyclization system are described.
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