Tetrahedron Letters p. 7201 - 7204 (1992)
Update date:2022-07-29
Topics:
Kawase, Takeshi
Kurata, Hiroyuki
Fujino, Shin-ichi
Ekinaka, Tatsuya
Oda, Masaji
Reaction of 6,6-diarylfulvene dianions with dichloromethane yields 1,1-diarylspiro<2.4>hepta-4,6-dienes, and reduction of the diphenylspiroheptadiene with lithium metal or lithium naphthalene cleanly generates a novel homopentafulvene dianion.
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