Reaction #1747858
ord-2cce0eb6c5ba48c08bc7e0f8d9fcbd5f
Reaction equation
10-methyl-3,7-bis(2-naphthyl)phenothiazine 5-oxide
m-chloroperbenzoic acid
→
10-Methyl-3,7-bis(2-naphthyl)phenothiazine 5,5-dioxide
Reagents
None
Conditions
Detailed conditions
See reaction.notes.procedure_details.
Workup
- 1OtherFor the preparation as a by-product
- 2Otherwere obtained
Procedure
For the preparation as a by-product in the synthesis of 10-methyl-3,7-bis(2-naphthyl)phenothiazine 5-oxide, see under Example 8. For a selective preparation of the sulfone, at least two molar equivalents of m-chloroperbenzoic acid are used. Yellowish microcrystals having a melting point of 328-332° C. were obtained.