Methods: Ceti ˉ rizine dihydrochloride were synthesized from piperazine hexahydrate and 4 - chlorobenzyl chlo ˉ ride by six steps reactions.
方法: 对关键的缩合反应进行了改进,以六水哌嗪和对氯氯苄为原料,经六步反应得到产品.
Isopentyl lactate was synthesis from acid and isopentyl alcohol in the presence of ferric chloride hexahydrate.
在六水三氯化铁存在下可以由乳酸和异戊醇合成乳酸异戊酯.