Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 41, Pages 13444-13448Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201807881
Keywords
alcohols; dehydrogenative coupling; homogeneous catalysis; hydrazines; manganese
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Funding
- European Research Council (ERC) [AdG 692775]
- Science & Engineering Research Board (SERB), Govt. of India
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We have developed unprecedented methods for the direct transformation of primary alcohols to alkenes in the presence of hydrazine, and for the synthesis of mixed alkenes by the reaction of alcohols with hydrazones. The reactions are catalyzed by a manganese pincer complex and proceed in absence of added base or hydrogen acceptors, liberating dihydrogen, dinitrogen, and water as the only byproducts. The proposed mechanism, based on preparation of proposed intermediates and control experiments, suggests that the transformation occurs through metal-ligand cooperative N-H activation of a hydrazone intermediate.
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