(1S,3R)-(Z)-4-carenecisCarenefound in naturePerflavory
如果将R-S系统命名比喻为驾驶汽车的方向盘就很形象,也就容易理解了。以这个规则观察前述的乳酸、丙氨酸...
中文名称:(1S,2S,3R,5S)-(+)-2,3-蒎烷二醇 中文同义词:三san甲基庚geng烷二醇;(1S-(1alpha,2alpha,3alpha,5alpha))-2,6,6-三san甲基双环[3.3.1]庚geng烷-2,3-二醇;(1S,2S,3R,5S)-(+)-2,3-蒎烷二醇5500/KG抵去剩余的2150元预存款,另外3350元按上面开票;(+)-2,3-蒎烷二醇;硼替佐米中...
百度试题 结果1 题目化学名称中的“1R,2R,3R,4R;1S,2S,3S,4S”分别是什么意思?请详细说明哈 相关知识点: 试题来源: 解析 立体化学中因手性碳具有旋光异构体用R表示左旋,S表示右旋. 当一个碳原子上连有4个不同基团时有手性.反馈 收藏
Syntheses of (1S,2S,3S,4R)- and (1R,2R,3S,4R)-2,3,4-Trihydroxycyclopentane-1-methanol, Carbocyclic Analogues of α-L-Arabinofuranose and β-D... K.,TADANO,K.,... - 《ChemInform》 被引量: 0发表: 1989年 ChemInform Abstract: Syntheses of (1S,2S,3S,4R)- and (1R,2R,3S,4...
Development of a new class of (1S,3R,4R)-2-azabicyclo[2.2.1]heptane-oxazoline ligands and their application in asymmetric transfer hydrogenation Andersson P G.Development of a new class of (1S,3R,4R)-2-azabicyclo [2.2.1] heptane-oxazoline ligands and their application in asymmetric ...
Provied information about (1S,3R,4R,6S)-3-(1,3-dioxolan-2-yl)-6-isopropenyl-3,4-dimethyl-2-oxo-1-(3-oxo-butyl)-cyclohexanecarbonitrile(Molecular Formula: C13H14N8S, CAS Registry Number:272766-69-5 ) ,Boiling Point,Melting Point,Flash Point,Density, Mole
【中学】(1S,2S..RT比如在环烷烃中取代基 (1S,3S)1-氯-1-溴-3-甲基-3-乙基已烷里1S指的是什么?
甲是恩替卡韦中可能出现的杂质。R,S是旋光异构的两种构形,属于立体异构,如果3位是R型,羟甲基将处于环戊基的上方,而S构形将处于环戊基的下方。两者可能会有巨大的药理性质差异,因为药物靶点上的蛋白可能在这个基团的附近有一个内凹的构象,如果不能匹配可能导致此药物无效,甚至增加毒副作用。