Reaktion #11243

Reaktionsgleichung

( 852 )

5-(Benzyloxy)-2-{(E)-2-[2-(2-methoxyethoxy)phenyl]ethenyl}-1H-indole

maleimide

→

( 854 )

Ausbeute 46.0%

9-(Benzyloxy)-4-[2-(2-methoxyethoxy)phenyl]pyrrolo[3,4-c]carbazole-1,3(2H,6H)-dione

Ausbeute 46.0%

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigegave the adduct (CIII
2. 2
   SonstigeAr=2-(2-methoxyethoxy)phenyl, R10═H (853), which was used without further purification

Vorschrift

Reaction of (852) with maleimide using the procedure described in method 4a gave the adduct (CIII; Ar=2-(2-methoxyethoxy)phenyl, R10═H (853), which was used without further purification. Aromatisation of (853) with MnO2 using the procedure described in example 79 gave (854) (46%) as an orange solid, mp 157–159° C., which was used without further purification.

Quelle