85830-79-1Relevant articles and documents
Synthesis of 1H,4H-Furofurans via "Criss-cross" Cycloaddition Reaction of Isocyanides to 1,4-Diphenylbutine-1,4-dione
Ott, Walter,Kollenz, Gert,Peters, Karl,Peters, Eva-Maria,Schnering, Hans Georg von,Quast, Helmut
, p. 635 - 641 (2007/10/02)
1,4-Diphenylbutine-1,4-dione (1) adds the isocyanides 2 via a "criss-cross" cycloaddition reaction yielding the 1H,4H-furofurans 3, the constitution and configuration of which could be confirmed by an X-ray analysis of 3a and by IR, MS, and 13C NMR