106573-23-3Relevant articles and documents
Ketene S,N-Acetals as Synthetic Intermediates for Heterocycles. Reaction of Ketene S,N-Acetals with 1,4-Quinones
Takahata, Hiroki,Anazawa, Akira,Moriyama, Keiko,Yamazaki, Takao
, p. 1501 - 1504 (2007/10/02)
Annelation of ketene S,N-acetals with 1,4-quinones is found to give benzo- and naphthofurans bearing enamine groups.Subsequent enamine reaction allows the formation of 1-benz- and naphthooxepines and benzofuran-2-ones.