199469-72-2Relevant articles and documents
A facile synthesis of β-(4-azuleno[1,2-b]thienyl) α,β-unsaturated ketones
Kusuhara, Naoki,Sugano, Yuka,Takagi, Hideki,Miyake, Hideyoshi,Yamamura, Kimiaki
, p. 1951 - 1952 (1997)
The facile and novel synthesis of β-(4-azuleno[1,2-b]thienyl) α,β-unsaturated ketones 1 from 2-tropylio-3-(2-furyl)thiophenes 7 is reported; a mechanism involving a novel ring cyclization by intramolecular attack of the tropylium ion at the 2-position of
