Sentences with phrase «dried under vacuum»
A mixture of 3 - methoxybenzaldehyde (50 g, 367.64 mmol) and (2, 4 - dimethylphenyl) hydrazine hydrochloride (63.23 g, 367.64 mmol) in EtOH (50 mL) was stirred at room temperature for 1 h, the obtained solid was filtered off, washed with ethanol and dried under vacuum to afford hydrazone hydrochloride 1 (95.94 g) in 90 % yield as a light brown solid.
https://alzres.biomedcentral.com/ Not exact matches
Freeze - drying is the process of dehydrating frozen foods under a vacuum so the moisture content changes directly from a solid to a gaseous form without undergoing the liquid state.
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Laboratory simulations demonstrate how intricate molecular reactions can occur efficiently even under exceedingly cold, dry, near - vacuum conditions.