234112-67-5Relevant articles and documents
One-pot synthesis of 2,3-disubstituted naphtho[2,3-b]thiophene-4,9-diones from a 2-sulfenyl-1,4-naphthoquinone and enamines
Kobayashi, Kazuhiro,Furuta, Yoshihisa,Matsuoka, Hideki,Uchida, Masaharu,Morikawa, Osamu,Konishi, Hisatoshi
, p. 503 - 504 (1999)
The title naphthothiophenequinone derivatives were generally synthesized in one-pot using a tandem conjugate addition-cyclization sequence between 2-[2-(ethoxycarbonyl)-ethyl]thio-1,4-naphthoquinone and enamines, derived from cyclic and acyclic ketones.