m-Chloroperbenzoic acid → HCID 67937709, compound

Participants

Reaction Steps

The compound of example 1 (102mgm) and m-chloroperbenzoic acid (134mgm) were heated under reflux in chloroform (10 mL) for 2hr. The reaction mixture was cooled and evaporated and the resulting gum was chromatographed (chromatotron; chloroform ->10% methanol-chloroform in a gradient elution), and chromatographically homogenous fractions were combined and recrystallised from ethyl acetate-methanol to give the N-oxide of (E2) as a solid (54mgm) of m.p. 284°-285° C.

Provenance & Evidence