Hydrazine hydrate (1:1) → HCID 86725391, compound

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Reaction Steps

To a solution of the product of Example 28C (497 mg, 1 mmol) in 1,4-dioxane (10 mL) was added hydrazine hydrate (0.3 mL). After stirring at ambient temperature for about 4 hours, the mixture was concentrated. The residue was washed with hexane and dried under vacuum to give the title compound, which was used in the next step without further purification. MS: 493 (M+H+).

Provenance & Evidence