129503-23-7Relevant academic research and scientific papers
A novel synthesis of [1]benzothieno[3,2-b][1]benzofuran
Cernovska, Katerina,Nic, Miloslav,Pihera, Pavel,Svoboda, Jiri
, p. 1939 - 1949 (2000)
A new synthesis of the title compound based on the formation of the furan ring in the key step was elaborated. Methyl 2-methoxy[1]benzothieno[3,2-b][1]benzofuran-7-carboxylate (15) was prepared by this methodology as a new type of a core for liquid crystal synthesis.
Synthetic Routes to 2-(2-Benzofuranyl)benzoic Acids and their Cyclization into Benzindenofuran-10-ones
Guillaumel, Jean,Boccara, Nicole,Demerseman, Pierre
, p. 1047 - 1051 (2007/10/02)
The benzindenofuran-10-ones 1 were prepared by the intramolecular cyclization of the 2-(2-benzofuranyl)benzoic acids, 2, the unequivocal routes to which are described herein.Various synthetic methods to these acids were tested, as well as the methods to cyclize them.
