HCID 136350271, compound → HCID 135761783, compound

Participants

Reaction Conditions

Reaction Steps

The compound of formula (XIV) obtained in Example 1-10 (1.1 g) was mixed with distilled water (16.5 ml) and stirred at 95° C. for 1 hr. The resulting solution was cooled to room temperature to crystallize and stirred at 10° C. for 1 hr. The resulting solid was filtered and dried under a nitrogen atmosphere to obtain the title compound with a purity of 99.8% or more as a white-colored solid (0.9 g, yield: 96.9%).

Provenance & Evidence