1) amberlyst 15,7- hydroxy- 4- methyl coumarin
Amberlyst15,7-羟基-4-甲基香豆素
2) 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。
3) 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) 6,7-Dihydroxy-4-methylcoumarin
6，7-二羟基-4-甲基香豆素
6) 5,7-Dihydroxy-4-methylcoumarin
5,7-二羟基-4-甲基香豆素
补充资料：Am
分子式 C8H8O3
分子量 152.15
CAS号 611-72-3
扁桃酸为白色斜方片状结晶或结晶性粉末。有旋光异构体,见光分解变色。天然品为左旋扁桃酸,熔点130℃。消旋扁桃酸熔点为120-122℃。D204=1.300。6.3ml水或乙醇可溶解1g消旋扁桃酸。本品还可溶于乙醚、甲醇和异丙醇。
用途;扁桃酸主要可用于合成羟苄头孢菌素（AL-226）和环扁桃酸酯、阿托品类解痉药。
分子量 152.15
CAS号 611-72-3
扁桃酸为白色斜方片状结晶或结晶性粉末。有旋光异构体,见光分解变色。天然品为左旋扁桃酸,熔点130℃。消旋扁桃酸熔点为120-122℃。D204=1.300。6.3ml水或乙醇可溶解1g消旋扁桃酸。本品还可溶于乙醚、甲醇和异丙醇。
用途;扁桃酸主要可用于合成羟苄头孢菌素（AL-226）和环扁桃酸酯、阿托品类解痉药。
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