Hydrazine hydrate (1:1) → 2-Hydrazino-5-(methoxymethyl)pyridine

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Reaction Steps

2.2 g (14.0 mmol) of the compound from Example 12A are initially charged in 10 ml of ethanol. 7.0 g (140.0 mmol) of hydrazine hydrate are added, and the mixture is stirred under reflux for 16 h. The reaction mixture is then reacted again in a single-mode microwave oven (CEM Explorer) at 150° C. for 2 h. The mixture is then concentrated on a rotary evaporator, taken up in ethyl acetate, washed once with saturated sodium bicarbonate solution, dried over magnesium sulfate and concentrated again, and the residue is dried under high vacuum.

Provenance & Evidence