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Synthesis 2000; 2000(7): 975-979
DOI: 10.1055/s-2000-6296
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One-Pot Synthesis of a Variety of 1,4-Alkadienes and 1,2,4-Alkatrienes from Alkynes, Allyl, or Propargyl Compounds and Electrophiles by a (η2-Propene)Ti(O-i-Pr)2-Mediated Reaction

Sentaro Okamoto* , Yuuki Takayama, Yuan Gao, Fumi Sato
  • *Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
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Publikationsdatum:
31. Dezember 2000 (online)

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The intermolecular reaction of alkynes with allyl or propargyl compounds mediated by (η2-propene)Ti(O-i-Pr)2 followed by trapping of the resulting vinyltitanium compounds with an electrophile such as H2O, I2 or an aldehyde furnished a variety of 1,4-alkadienes or 1,2,4-alkatrienes.

titanium - coupling - 1,4-dienes - allenes - 1,2,4-trienes