@songsugar79
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After filtering, addition takes place of one hundred fifty ml of 20% HCl, extraction with ether (2×50 ml) and the acid liquids, neutralized by NH4 OH are in flip extracted with ether (3×50 ml). After drying, , the ethers are evaporated in vacuo to offer 3.7 g of an oily residue basically containing two isomeric tertiary amines (IR, GC/MS). I f […] Виж