A mixture of L-cysteine,L-tartaric acid and acetone was heated in the presence of salicylaldehyde in the acetic acid to prepare D-2,2-dimethyl-4-thiazolidinecarboxylic acid,L-tartarate with the yield of 65.
在水杨醛存在下,使L-半胱氨酸、L-酒石酸和丙酮在乙酸中加热,形成D-2,2-二甲基四氢噻唑-4-羧酸-L-酒石酸盐,光学纯度99%以上,收率65。
A chiral resolving reagent isobutyl L-tartrate was prepared from L-tartaric acid and isobutyl alcohol using p-toluene sulphonic acid and toluene as a catalyst and a water-carrying agent,respectively.
以L-酒石酸、异丁醇为原料合成了手性拆分试剂L-酒石酸异丁酯。
Chiral ligands,(4R,5R)-2,2-dimethyl-5-[(4-pyridineamino)carbonyl]-1,3-dioxolane-4-formate and(4R,5R)-2,2-dimethyl-N,N′-di(pyridine-4-yl)-1,3-dioxolane-4,5-bisformamide,were synthesized from L-tartaric acid.
以L-酒石酸为原料,合成了一端是羧酸、另一端是吡啶基的手性配体(4R,5R)-2,2-二甲基-5-[(4-吡啶氨基)羰基]-1,3-二氧戊环-4-甲酸和两端都是吡啶基的手性配体(4R,5R)-2,2-二甲基-N,N′-二(吡啶-4-基)-1,3-二氧戊环-4,5-二甲酰胺,其结构经1HNMR,IR和MS表征。
Application of rare earth-modified zeolite L in hydrocarbons cracking catalyst;
稀土改性L沸石在烃类催化裂化催化剂中的应用
Action of crystal seeds in the synthetic system of zeolite L;
晶种在L沸石合成体系中的作用
Zeolite L is synthesized from kaolin by in-situ hydrothermal method,with appropriate amount of other constituents,such as sodium silicate,water,zeolite L initiator and potassium hydroxide.
以高岭土为原料,经煅烧活化、补硅,在优化的合成条件下,采用原位晶化的方法在高岭土载体上合成出了L沸石分子筛,并用X射线衍射、扫描电镜对合成的产品进行表征。
The crystallization field of L zeolite and its changes with the synthesis conditions are studied.
以沉淀二氧化硅、氢氧化铝为硅源和铝源、氢氧化钾和氢氧化钠为碱源,在水热条件下合成了L沸石,研究了在加入L沸石导向剂情况下L沸石的晶化相区及随合成条件的变化。
Three kinds of iron-based catalysts are prepared by impregnation,they are iron loaded powdered silicon dioxide catalyst,iron loaded L zeolite catalyst and iron loaded silica gel catalyst.
用浸渍法制备了三种不同载体的铁基催化剂,分别是白炭黑、L沸石以及硅胶负载的铁催化剂。
Four kinds of iron-based catalysts were prepared,they are iron clay catalyst,iron loaded powdered silicon dioxide catalyst,iron loaded L zeolite catalyst and iron loaded silica gel catalyst.
制备了4种不同载体的铁基催化剂,分别是铁基层状粘土催化剂,白炭黑负载铁催化剂,L沸石负载铁催化剂,以及硅胶负载铁催化剂。
Enantioselective Separation of Fenvaleric Acid Enantiomers by Chiral Extraction with Lipophilic L-iso-butyl-L-tartaric Esters
疏水性L-酒石酸异丁酯立体选择性萃取拆分氰戊菊酸对映体
Synthesis, Characterization and Properties of Chiral Coordination Polymers Containing L-Tartaric Acid Derivatives;
含L-酒石酸衍生物的手性配位聚合物合成、鉴定及性能研究
l-methadone bitartrate
重酒石酸l-美沙酮
Assembly and Structural Characteristics of L-(-)-Tartaric Acid-pillared Hydrotalcites;
L-(-)-酒石酸柱撑水滑石的插层组装及超分子结构
Synthesis of L-(+)-diethyl tartrate by a strong acid cation exchange resin
离子交换树脂催化合成L-(+)-酒石酸二乙酯的研究
Synthesis of D/L-Dibenzoyl Tartaric Acid
手性拆分剂D/L-二苯甲酰酒石酸的制备
tartar emetic
【化】吐酒石, 酒石酸氧锑锡
an acid tartrate; a hydrogen tartrate.
一种酸性酒石酸盐,氢的酒石酸盐。
potassium sodium(+)-tartrate tetrahydrate
四水合酒石酸钾钠 (酒石酸钾钠)
adrenalin bitartrate
酸式酒石酸肾上腺素
2,3-dihydroxy succinic acid 2,3-
二羟丁二酸/酒石酸
Theoretical Study on the Electronic Structure of L-Tyrosine-Pillared Layered Double Hydroxides;
L-酪氨酸插层水滑石的电子结构研究
The Chronic Toxicity of Poly-L-lactide/poly-L-lactide Grafted Nano-hydroxyapatite Bone Plates
聚L-乳酸/聚L-乳酸接枝的纳米羟基磷灰石接骨板的慢性毒性研究
Crude potassium bitartrate, a by - product of winemaking.
粗酒石粗酒石酸氢钾原料,制酒中的副产品
sodium(+)-tartrate dihydrate
酒石酸钠(二水合物)
Noradrenaline Bitartrate
重酒石酸去甲肾上腺素
Oxycodone bitartrate
重酒石酸羟氧可待因酮
Chemical reagent--Tartaric acid
GB/T1294-1993化学试剂酒石酸
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