Tyramine was synthesiaed from p-thydroxybenzaldehyde through condensation with nitromethane and then reduction with tin powder and hydrochloric acid.The overall yield of the 2-step reaction was 61%.

• 以对羟基苯甲醛和硝基甲烷为原料，经缩合和锌粉、盐酸还原合成酪胺，两步反应总收率61%25。