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1)  4-hydroxythiocoumarin
4-羟基硫代香豆素
1.
This methodology was then ex- tended to prepare 4-hydroxycoumarin and 4-hydroxythiocoumarin derivatives.
8%的收率得到4-羟基香豆素,将这种方法扩展合成了苯环上带有各种取代基的4-羟基香豆素衍生物以及4-羟基硫代香豆素衍生物。
2)  4-Hydroxycoumarin
4-羟基香豆素
3)  7-hydroxy-4-methyl coumarin
7-羟基-4-甲基香豆素
1.
Synthesis of 7-hydroxy-4-methyl coumarin catalyzed by sulfoacid resin;
磺酸树脂催化合成7-羟基-4-甲基香豆素
2.
Synthesis of 7-hydroxy-4-methyl coumarin on stannic chloride anhydrous catalyst;
四氯化锡催化合成7-羟基-4-甲基香豆素
3.
7-hydroxy-4-methyl coumarin as chemical or medical intermediates is very important in industry.
7-羟基-4-甲基香豆素是一种重要的医药化工中间体。
4)  4-methyl-7-hydroxycoumarin
4-甲基-7-羟基香豆素
1.
4-methyl-7-hydroxycoumarin,acetic anhydride were used as main materials to synthesis 4-methyl-7-acetoxycoumarin by two methods,One was direct esterification of 4-methyl-7-hydroxycoumarin with acetic anhydride,the other was reacting of acetic anhydride with 4-methyl-7-hydroxy coumarin′ sodium salt, the construction of title compound was confirmed by m.
以乙酸酐、4-甲基-7-羟基香豆素为原料,采用4-甲基-7-羟基香豆素与乙酸酐直接酯化和乙酸酐与4-甲基-7-羟基香豆素的钠盐反应两种方法得到4-甲基-7-乙酰氧基香豆素,并通过熔点、红外、紫外、元素分析对所得化合物的结构进行表征。
5)  7-Hydroxy-4-methylcoumarin
7-羟基-4-甲基香豆素
6)  6,7-Dihydroxy-4-methylcoumarin
6,7-二羟基-4-甲基香豆素
补充资料:4-羟基-3-(1,2,3,4-四氢-1-萘香)香豆素
分子式:C19H16O3
分子量:292.21
CAS号:5836-29-3

性质:黄白色晶体。熔点172-176℃,溶于丙酮、乙醇,微溶于苯、乙醚,不溶于水。

制备方法:4-羟基香豆素和α-四氢萘酚在冰乙酸中加热,100℃下缓缓添加硫酸,加毕,于110-120℃加热1h。反应后注入水中,用乙醚抽提,碱化,酸化,得杀鼠迷。原粉的有效成分含量≥95.0%,熔点166-173℃,加工成追踪粉剂(3.75%,0.75%)、0.0375%毒饵、2%油基浓缩剂和0.8%液剂。原料消耗定额:4-羟基香豆素800kg/t、α-四氢萘酚1100kg/t、冰乙酸500L/t。

用途:杀灭大、小家鼠效果显著。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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