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10-methyl-3,7-bis(2-naphthyl)phenothiazine 5-oxide

m-chloroperbenzoic acid

→

10-Methyl-3,7-bis(2-naphthyl)phenothiazine 5,5-dioxide

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후처리

1. 1
   기타For the preparation as a by-product
2. 2
   기타were obtained

실험 절차

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.

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