外消旋的

Two different catalysts for oxidative coupling of 2-naphthol to give racemic 1,1′-binaphthene-2,2'-diol were introduced and the yields in different conditions were studied.

介绍了两种在水相中利用2-萘酚氧化偶合制备外消旋1，1'-联-2，2'-二萘酚的催化剂，并对不同反应条件下的产率进行了研究。

The kinetic resolution of raceme is one of the important ways in the synthesis of chiral compounds.

外消旋体的动力学拆分反应是制备手性化合物的重要方法之一。

Studies on the pharmacokinetics of the racemate SFZ-47 was administered orally at doses of 4, 8 and 16 mg/kg and intravenously at doses of 2, 4 and 8 mg/kg to Beagle dogs, respectively.

外消旋体的药物动力学研究将SFZ-47分别按三种剂量以口服（4，8和16mg／kg）和静脉注射（2，4和8mg／kg）的方式对Beagle犬给药。

Synthesis of racemic 1,1′-bi-2,2′-naphtholby catalytic oxidative coupling of 2-naphthol was reviewed.

综述了催化氧化偶联2-萘酚合成外消旋体1，1′-联二萘酚的方法。

The present invention concerns a compound having the formula a N-oxide form, a stereochemical isomer, racemic mixture, salt prodrug, ester or metabolite thereof.

本发明涉及具有式的化合物、其N-氧化物形式、立体化学异构体、外消旋混合物、盐、前体药物、酯或代谢物。

The present invention concerns the compounds having the formula N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs, esters and metabolites thereof, wherein R1 and R8 each are H, optionally substituted C1-6alkyl, C2-6alkenyl, C3-7cycloalkyl, aryl, Het1, Het2; R1 may also be a radical of formula (R11aR11b)NC(R10aR10b)CR9-; t is 0, 1 or 2; R2 is H or C1-6alkyl; L is -C-,-O-C-,-NR8-C-,-O-C1-6alkanediyl-C-,-NR8-C1-6alkanediyl-C-,-S2-,-O-S2-,-NR8-S2 ; R3 is C1-6alkyl, aryl, C3-7cycloalkyl, C3-7cycloalkylC1-4alkyl, or arylC1-4alkyl; R4 is H, C1-4alkylOC, carboxyl, aminoC, mono- or di(C1-4alkyl)aminoC, C3-7cycloalkyl, C2-6alkenyl, C2-6alkynyl or optionally substituted C1-6alkyl; R5 and R6 are H or C1-6alkyl.

本发明涉及右式化合物其N-氧化物、盐、立体异构形式、外消旋混合物、前药、酯及代谢物，其中R 1 及R 8 各是氢、C 1-6 烷基、C 2-6 烯基、C 3-7 环烷基、芳基、Het 1 、Het 2 ；R 1 也可以是式(R 11a R 11b )NC(R 10A R 10b )CR 9 -之基；t是0、1或2；R 2 是氢或C 1-6 烷基；L是-C-、-O-C-、-NR 8 -C-、-O-C 1-6 烷二基-C-、-NR 8 -C 1-6 烷二基-C-、-S 2 -，-O-S 2 -、-NR 8 -S 2 -；R 3 是C 1-6 烷基、芳基、C 3-7 环烷基、C 3-7 环烷基C 1-4 烷基或芳基C 1-4 烷基；R 4 是氢、C 1-4 烷基OC、羧基、氨基C、一-或二(C 1-4 烷基)氨基C、C 3-7 环烷基、C 2-6 烯基、C 2-6 炔基或任选被取代的C 1-6 烷基；R 5 及R 6 是氢或C 1-6 烷基。

Mm. Racemes 3–6, 4–7 cm; rachis triquetrous, scab-rous on angles.

外消旋体3-6，4-7厘米；三棱的轴，疤rous在角上。

Synthesis of such compounds from nonchiral materials results in equal numbers of the enantiomers, racemates.

使用非手性物料合成此类化合物导致等量的对映异构体和外消旋物。

The screening test also reveals that tin chloride dihydrate/p-toluenesulfonic acid system is particularly effective for increasing the molecular weight of PLA.

而SnCl〓·2H〓O+TSA二元催化体系能够很好地催化乳酸缩聚反应，并且可以抑制外消旋和变色等副反应的发生。

Recent progress in the applications of non-enzymatic system about Lewis acid and base tokinetic resolution reactions of racemes is reviewed.

本文讨论了路易斯酸及路易斯碱催化体系在外消旋体动力学拆分反应中应用的最新进展。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。