5-Ethynyl-4-phenyl-thiazol-2-ylamine → 2-Thiazolamine, 5-ethyl-4-phenyl-

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Reaction Steps

The above prepared 5-ethynyl-4-phenyl-thiazol-2-ylamine (0.665 g, 3.321 mmol) was dissolved in 12 mL of ethyl acetate and hydrogenated over 0.330 g of Pd on charcoal (10%) at atmospheric pressure and ambient temperature over night. Filtration over a pad of Celite and evaporation off all solvents, followed by flash chromatography (SiO2, hexane/ethyl acetate=65/35), yielded 0.505 g of the title product as yellow viscous oil.

Provenance & Evidence