1) 4-Hydroxymandelic acid
对羟基扁桃酸
2) sodium p-hydroxymandalate
对羟基扁桃酸钠
1.
p-Hydroxyphenylacetic acid(Ⅰ) is economically synthesised by reducing sodium p-hydroxymandalate(Ⅱ) with sodium salt of pyrosulfurous acid(Ⅲ).
用焦亚硫酸钠与对羟基扁桃酸钠反应,可简便合成对羟基苯乙酸,收率85%,是合成对羟基苯乙酸的经济方法。
3) 4-Hydroxyphenylglycolic acid
4-羟基扁桃酸
4) p-propoxy mandelic acid
对丙氧基扁桃酸
1.
2∶1 at a reaction temperature of 100 ℃ and a reaction time of 30 min to give 2,which was then subjected to condensation reaction with p-propoxy mandelic acid in the presence of phosphoric acid at a molar ratio of m(2)∶m(p-propoxy mandelic acid)∶m(phosphoric acid)=1∶1∶1 at a reaction temperature of 60 ℃ for 3 h to yield 3,which was further oxidized by chloranil to give t.
2∶1投料,100℃反应30 min得缩合物2,再在等质量磷酸催化下与分批加入的等质量对丙氧基扁桃酸60℃缩合3 h得缩合物3,经温和氧化剂四氯苯醌氧化得标题化合物,总收率55%。
5) p-methylmandelic acid
对甲基扁桃酸
6) p-Methoxymandelic acid
对甲氧基扁桃酸
补充资料:对羟基扁桃酸
分子式:暂无
分子量:暂无
CAS号:1198-84-1
性质:淡黄色水合物固体。熔点95-97℃。
制备方法:暂无
用途:暂无
分子量:暂无
CAS号:1198-84-1
性质:淡黄色水合物固体。熔点95-97℃。
制备方法:暂无
用途:暂无
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条