1) 7-OH coumarin
7-OH香豆素
1.
Objective To establish a HPLC method for the determination of daphnetin, 7-OH coumarin and syringing in Zushima.
目的建立以HPLC法同时测定祖师麻中瑞香素、7-OH香豆素、紫丁香苷含量的方法。
2) 3-(2-benzoimidazoly)-7-diethylamino coumarin
香豆素-7
3) 7-O-7'-dicoumarin
7-O-7'-双香豆素
1.
Result: Seven compounds,daphnoretin(Ⅰ),tricin(Ⅱ),daucosterol(Ⅲ),β-sitosterol(Ⅳ),umbelliferone(Ⅴ),genkwanin(Ⅵ),and 6′-hydroxy,7-O-7′-dicoumarin(Ⅶ),were isolated and identified.
结果:分离鉴定了7个化合物,分别鉴定为西瑞香素(Ⅰ)、5,7,4′-三羟基-3′,5′-二甲氧基黄酮(Ⅱ)、胡萝卜苷(Ⅲ)、β-谷甾醇(Ⅳ)、伞形花内酯(Ⅴ)、芫花素(Ⅵ)、6-′OH,7-O-7′-双香豆素(Ⅶ)。
4) 7-methoxycoumarin
7-甲氧基香豆素
1.
Separation and quantitative determination of the 7-methoxycoumarin in Artemisia capillaris Thunb.;
茵陈中7-甲氧基香豆素的分离与含量测定
2.
7-methoxycoumarin is a kind of important organic chemical raw material andintermediate, which can be widely used as medicines, pesticides, spicery products, andother chemical industries.
7-甲氧基香豆素是一种重要的有机化工原料及中间体,可广泛应用于医药、农药、香料及其它精细化工行业。
5) 7-Aminocoumarins
7-氨基香豆素
6) 7-hydroxycoumarin
7-羟基香豆素
1.
Ten novel 7-alkoxylcoumarins were synthesized by Williamson reaction of 7-hydroxycoumarin(1) or 7-hydroxy-4-methylcoumarin(2) and five alkyl halides using tetrabutylammonium bromide(TBAB) as a phase transfer catalyst.
以四正丁基溴化铵(TBAB)作相转移催化剂,7-羟基香豆素(1)或7-羟基-4-甲基香豆素(2)与5种卤代烃经Williamson反应合成了10个新的7-烷氧基香豆素,其结构经1H NMR,IR和MS表征。
2.
The coumarin derivatives were synthysized from 7-hydroxycoumarin by the Williamson etherification reaction and fluorination.
课题以7-羟基香豆素为原料,以对甲苯磺酸三氟乙酯(TsOCH_2CF_3)为烷基化试剂,合成7-(2,2,2-三氟乙氧基)香豆素和8-烯丙基-7-(2,2,2-三氟乙氧基)香豆素。
补充资料:7-
分子式 C14H12ClFN2O4
分子量 326.64
CAS号 88569-34-0
1-(N-甲酰基-N-甲基)胺基-7-氯-6-氯1,4-二氯-4-氯代-3-喹啉甲酸乙酯熔点209~211℃。溶于DMF和热的乙腈,几乎不溶于水和冷的乙腈。
用途;1-(N-甲酰基-N-甲基)胺基-7-氯-6-氯1,4-二氯-4-氯代-3-喹啉甲酸乙酯用于合成氨副产沙星(Amifloxacin)。
分子量 326.64
CAS号 88569-34-0
1-(N-甲酰基-N-甲基)胺基-7-氯-6-氯1,4-二氯-4-氯代-3-喹啉甲酸乙酯熔点209~211℃。溶于DMF和热的乙腈,几乎不溶于水和冷的乙腈。
用途;1-(N-甲酰基-N-甲基)胺基-7-氯-6-氯1,4-二氯-4-氯代-3-喹啉甲酸乙酯用于合成氨副产沙星(Amifloxacin)。
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