Synthesis of 2-cyclopentadienylidene-2h-thiapyran by novel reductive rearrangement of a 6-thienylfulvene

@inproceedings{Kawase1991SynthesisO2,
  title={Synthesis of 2-cyclopentadienylidene-2h-thiapyran by novel reductive rearrangement of a 6-thienylfulvene},
  author={Takeshi Kawase and Shin-ichi Fujino and Masaji Ode},
  year={1991}
}
  • Takeshi Kawase, Shin-ichi Fujino, Masaji Ode
  • Published 1991
  • Chemistry
  • Abstract Treatment of 6-dimethylamino-6-(2-thienyl)fulvene with lithium naphthalene followed by quenching with water gives hitherto unknown 2-cyclopentathienylidene-2H-thiapyran in one step involving a novel rearrangement, while in contrast the corresponding furyl compound leads to 4-dimethylaminoazulene. 

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