HCID 23224149, compound → HCID 23355558, compound

Participants

Reaction Steps

Following the procedure of Preparative Example 15 and using the mixture of 6-fluoro-9-hydroxybenzo[g]isoquinoline-5,10-dione and 6-chloro-9-hydroxybenzo [g]isoquinoline-5,10-dione obtained in Preparative Example 16 as starting material, an approximately 60/40 mixture of 6-fluoro-9-(p-toluenesulfonyloxy)benzo [g]isoquinoline-5,10-dione and 6-chloro-9-(p-toluenesulfonyloxy)benzo[g]isoquinoline-5,10-dione is obtained as a yellow powder, m.p. 193°-195° C. (from methylene chloride).

Provenance & Evidence