1) 3'-O-methyltaxifolin
3'-O-甲基花旗松素
1.
RESULTS Three flavonoids were isolated from the 95% ethanolic extract of Cortex Dictamni,structures of which were identified as luteolin(1),3′-O-methyltaxifolin(2),and 5,7,4′-trihydroxy-3′-methoxyisoflavone(3).
结果从白鲜皮的乙醇提取物中分离得到3个黄酮类化合物,经鉴定为luteolin(木犀草素,1),3′-O-m ethyl-taxifolin(3′-O-甲基花旗松素,2),5,7,4-′trihydroxy-3-′m ethoxyisoflavone(5,7,4′-三羟基-3′-甲氧基异黄酮,3)。
2) Taxifolin
['tæksə'fɔlin]
花旗松素
1.
At the same time,the free radical scavenging activity of the total flavones and taxifolin were also investigated primarily.
本文研究了中药水红花子中黄酮类化合物的提取、纯化与测定方法,同时对水红花子中黄酮粗提物及花旗松素清除1,1-二苯基苦基苯肼(1,1-Diphenyl-2-picrylhydrazyl radical,简称DPPH)的能力进行了初步探讨。
2.
Objective: To optimize the Acid Hydrolysis condition for taxifolin in Fructus Polygoni Orientalis.
目的:优选水红花子中花旗松素最佳水解条件。
3.
Astilbin and its aglycone,taxifolin,were isolated from many Chinese herbs,such as the rhizome of Smilax glabra,a Liliaceae plant, Dimorphandra mollis and Hypericum perforatum,and also have been found in many citrus fruits,especially grapefruit and orange.
花旗松素和落新妇苷同为二氢黄酮类化合物,是土茯苓、水红花子等中药的主要有效成分,同时两者也广泛存在于葡萄、柑橘等水果中。
3) 3 O methyl quercetin
3-O-甲基槲皮素
4) 3-hydroxy-6-O-methylerythromycin
3-羟基-6-O-甲基红霉素
1.
Synthesis of 3-hydroxy-6-O-methylerythromycin and Analysis of Side Products;
3-羟基-6-O-甲基红霉素的合成优化与副产物的分析
2.
The synthesis of 3-hydroxy-6-O-methylerythromycin(Ⅳ) was investigated.
对3-羟基-6-O-甲基红霉素(Ⅳ)的合成进行了研究,可采用3条路线制得。
5) 3-oxo-6-O-methylerythromycin
3-氧代-6-O-甲基红霉素
1.
Then 2′-OH was protected with acetyl group and 3-OH was oxidized in one-pot synthesis to yield 2′-O-acetyl-3-oxo-6-O-methylerythromycin A9-acetyloxime.
由克拉霉素的前体6-O-甲基-2′,4″-二(三甲基硅)-红霉素A9-(1-异丙氧基环己基)肟(Ⅰ)出发,常温下以φ(HC l)=10%的盐酸催化水解得3-羟基-6-O-甲基红霉素A9肟(Ⅱ);然后一锅煮进行化合物Ⅱ的2′-羟基乙酰化、3-羟基氧化,得2′-乙酰基-3-氧代-6-O-甲基红霉素A9-(O-乙酰基)肟(Ⅳ);最后脱乙酰基、还原9-肟基再次应用一锅煮法合成,得到目的化合物3-氧代-6-O-甲基红霉素(Ⅵ),总收率为57。
6) 3-O-methyl isorhamnein
3-O-甲基异鼠李黄素
补充资料:花旗杞子煲什锦
原料:乌鸡、甲鱼、猪肚、草菇、猴头菇
药材:花旗参、枸杞子
调料:盐、味精、鸡精
做法:
1、鲜活甲鱼宰杀、切块。
乌鸡洗净切块。猪肚洗净切成条状。草菇、猴头菇、花旗参、枸杞子洗净待用。
2、用沸水把甲鱼、乌鸡、肚条炒一下。
3、把全部原料和药材放入沙锅中,加入适量的水、盐、味精、鸡精,小火煲1-2小时即成。
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