Patent ID: 11946910
Assignee: TOKUYAMA CORPORATION
Field: Measurement (Instruments)
Classification: CPC C  G | IPC C  G

Claim 7:
8. The method for according to claim 6,
wherein the oxidizing agent is a hypervalent iodine compound represented by the following formula (8):, wherein X and Y together represent an oxygen atom, or X and Y each independently represent a group selected from the group consisting of a hydroxy group, an alkoxy group, an acyloxy group, an acylamino group, a tosylamino group, a mesylamino group, a sulfonyloxy group, and a halogen group; and Ar represents a group selected from the group consisting of a phenyl group, a heterocyclic group, and a phenyl group substituted with an alkyl group, an alkoxy group, and a halogen group.