2,5‐Chinonmethide des 1,6‐Methano[10]annulens mit S , N ‐ und N , N ‐Acylketenacetal Struktur

2,5‐Quinonemethides of 1,6‐Methano[10]annulene with the Structures of S , N ‐ and N , N ‐Acylketene Acetals Investigation on the chemical reactivities of 2‐( tert ‐butoxy)‐1,6‐methano[10]annulene and the syntheses of the compounds 2, 4, 6–8, 11, 13–22 are described; the results of 1 H‐ and 13 C‐NMR‐spectroscopic measurements are reported.