Journal
ORGANIC LETTERS
Volume 18, Issue 11, Pages 2676-2679Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b01118
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Funding
- National Natural Science Foundation of China [21372220, 21532006]
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An enantioselective hydrogenation of fluorinated hydrazones has been achieved by employing [Pd(R)-DTBM-SegPhos(OCOCF3)(2)] as the catalyst, providing a general and convenient method toward chiral fluorinated hydrazines. A broad substrate scope including beta-aryl-, gamma-aryl-, and alkyl-chain-substituted hydrazones worked efficiently in high yields and up to 94% of enantioselectivity. The reductive amination between trifluoromethyl-substituted ketones and benzohydrazides could also proceed smoothly.
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