[graphics] We report a highly enantioselective, catalytic three-component coupling of aldehydes, alkynes, and 4-piperidone hydrochloride hydrate to afford the corresponding tertiary propargylamines in useful yields. The selective cleavage of the piperidone protecting group using either ammonia/EtOH or a polymer-supported scavenger amine furnishes primary propargylamines.
机构:
Takeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, JapanTakeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, Japan
Cork, D
Hird, N
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机构:
Takeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, JapanTakeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, Japan
机构:
Takeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, JapanTakeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, Japan
Cork, D
Hird, N
论文数: 0引用数: 0
h-index: 0
机构:
Takeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, JapanTakeda Chem Ind Ltd, Med Chem Res Labs 1, Div Pharmaceut Res, Yodogawa Ku, Osaka 5328686, Japan