常见有机化学实验英语单词与短语

转载,出处不详,仅供参考学习。

英文 中文意义 例子
常见试剂/仪器
flask 烧瓶 500 mL 4-neck flask
separator fenne, 分液漏斗  
vessel 釜,容器  
Grubbs’ II 一种卡宾配体催化剂,用于烯烃复分解反应  
PTC Phase transfer catalyst  
SST 标准史朗克技术,即一套保证无水无氧的标准操作的集合。  
solution 溶液 The solution/suspension/mixture/slurry was stirred at r.t. for 8 hours.
suspension 悬浊液
mixture 混合物
slurry 浆状物
r.t. 室温 (room temperature)
solvent 溶剂  
TLC 薄层层析色谱(thin layer chromagotahty) The reaction was detected by TLC (EA:PE = 1:4). Product Rf = 0.4, material Rf = 0.6.
syringe 注射器  
addition fennel 滴液漏斗  
cannula 钢桥,双针头导管(转移大量丁基锂、格氏试剂时尽量使用) The Grignard reagent was transferred to an addition fennel via cannula.
ice bath 冰浴  
0il bath 油浴  
water bath 水浴  
thermometer 温度计  
condenser 冷凝管  
lipase (脂肪)酶,一般用于酯的水解和醇的酰化的动力学拆分  
concentrated, conc. 浓的 Conc. HCl
basin 树脂,一般用来过反相柱  
bleach 漂白粉溶液,次氯酸钠溶液  
one pot 一锅(反应),即多组分或者多步反应在一个容器进行  
tandem 连串(反应),与上者的区别是前一个反应的中间体必须参与后一个反应  
microwave 微波 The flask was irradiated in the microwave/UV for 4 hours.
UV 紫外线
ultrasonic 超声 The nano tube was well dispersed by untrasonic.
Tube, sealed tube 试管,封管  
反应阶段常见操作(因为描述时为被动时态,所有单词均以这一时态列出)
in situ 原位,即不分离直接使用 The ylide was generated in situ and used directly for the addition without isolation.
isolation 分离
isolated 分离的(收率) 98% yield (GC), 95% yield(isolated).
allowed 使,让 The temperature was allowed to rise to r.t.
charged 充满,加入  
bubbled 通入气体(一般需要液面下鼓泡) Carbon dioxide was bubbled to the premade Grignard reagent.
attched 安装,附加(仪器) A gas absorption device was attched to the flask.
added 添加物料 The MsCl was added dropwise via a springe in 30 minutes.
in portions 分次加入
in one portion 一次加入
dropwise 滴加
degassed 脱气,脱去溶剂中残存的空气 The methanol was degassed then added to the flask.
refluxed 回流 The mixture was refluxed for 4 hours.
replaced/purged 置换(一般用于气体) The flask was replaced/purged with nitrogen.
cooled/chilled 冷却 The solution was cooled under ice bath.
heated 加热 The mixture was heated to 50℃.
dissolved 溶解  
diluted 稀释  
dispersion 分散 NaH (1.0 g, 60% dispersion in mineral oil)
vigorously 强烈的(搅拌、震荡)  
Dean-Stark trap 分水器 The solution was coevaportated/ azeotroped with benzene/ethanol to remove water by Dean-Stark trap.
azeotrope,azeotropic 共沸,共沸的
coevaporated 共沸
hydrogenated 氢化 To the methanol solution of A was added a catalytic amount of 20% Pd/C(1.0 g, contains 60% water), the suspension was hydrogenated under 1 atm H2 until no gas absorption is observed.
absorb 吸收
catalytic 催化的
sticky 粘稠的 (the reaction mixture is sticky and high exothermic, so vigorous stirring is needed.)
exothermic 放热的
recovered 回收的  
buffer 缓冲溶液  
analog 类似物,同系物  
     
后处理阶段常见词汇
poured 倾入 The suspension was quenched with 1 mL 1N HCl, then carefully poured to cold water, shaken and partitioned between 150 mL of DCM and water. The aqueous layer was extracted with DCM (50 mL*3). The combined organic layer was dried over anhydrous Na2SO4.
shaken 振荡,摇晃
quenched 淬灭
partitioned 分液
extracted 萃取
organic layer 有机相
aqueous layer 水相
dried 干燥
anhydrous 无水的
Evaporated 蒸发(多使用旋转蒸发仪) The solution was evaporated/ concentrated under reduced pressure.
concentrated 浓缩 (多使用旋转蒸发仪)
triturated 磨碎,打浆 The solid was triturated with DCM and filtered.
removed 除去 The solvent was removed then ***
discarded 丢弃,弃去 The aqueous layer was discarded.
distilled 蒸馏 The residue was distilled under vacuum  to obtain 30 g colorless liquid,56% yield, 98.6% purity(GC),bp 90-92 ℃/ 5mmHg.
residue 残留物
vacuum reduced pressure 真空,减压
liquid 液体
oil 油,油状物
yield 收率
purity 纯度
solidfied 固化 The oil was solidified on standing.
over night 过夜  
hyophilization 冻干(利用冰的升华干燥,用于对加热极为敏感的化合物) The isolated enzyme was dried by hyophilization to give a crystal.
precipitate 析出,析出物 Solid was precipitated while cooling.
dried under vacuum 真空干燥  
conversion 转化率 The coversion/ purity was determined with GC/ HPLC. RT(material): 5.34 min; RT(product):6.78 min.  
obtain/ afford 获得
GC 气相色谱
HPLC 高效液相色谱
selectivity 选择性  
GC-MS 气相色谱-质谱联用 Main by-products/ impurities was determined by GC-MS/ LC-MS, MS (ESI): 246.5([M+H]+). The suggested structure is ********.
LC-MS 液相色谱-质谱联用
by-product 副产物
impurity 杂质
chromatography flash chromatography 层析 快速柱层析(即用气流吹) The residue was purified by column chromatography on silica gel with ethyl acetate/petroleum ether (1:1) as eluent to give the product.
eluent 淋洗剂,洗脱剂
silica 硅胶
brine 食盐水 The organic layer was washed with saturated sodium bicarbonate and brine.
saturated 饱和的
foam 泡沫 The residue was purified to afford a light yellow foam/ solid/ powder/ crystal, mp 122-126 ℃.
solid 固体
crystal 晶体
powder 粉末
celite 硅藻土 The suspension was carefully poured into cold water. The pH was adjusted to <3 with 1N HCl. Then filtered through celite pad, the cake was washed with DCM. The filtrate was separated..
adjusted 调整(pH值)
filtered 过滤
Filtrate 滤液
cake 滤饼,滤渣
acidified 酸化
basified 碱化
neutralized 中和
recrystallized recrystallization 重结晶(多采用混合溶剂,先加良溶剂加热溶解,后加入不良溶剂到刚刚析出固体,再反加少许良溶剂) The solid was recrystallized from methol/water (1:1) to afford 3.0 g colorless crystal. The product was purified by recrystallization from methol/water (1:1).
decompose 分解  
sublimation 升华  
determined 测定  
crude 粗(产品)  
Prep-HPLC 制备液相色谱  
Prep-TLC 制备薄层色谱(刮板)  
Single crystal 单晶(常见制备方法为缓慢挥发溶剂法、不良溶剂扩散法等)  
产品理化数据收集阶段
1H NMR 核磁共振氢谱,请注意标准格式。s单峰,d双重,t三重,q四重,m多重。 1H NMR(400 MHz, CDCl3) δ1.10 (s, 3H), 1.56 (d, J = 3.6 Hz, 2H), 1.84(dd, J = 3.6 and 4.4 Hz, 1H), 2.16-2.43(m, 2H).
13C NMR 核磁共振碳谱,请注意400 M仪器上碳谱是100 MHz。 13C NMR(100 MHz, CDCl3) δ17.4, 20.4, 25.7, 58.4, 102.9.
HRMS 高分辨率质谱 HRMS(EI) calcd. For C12H18O(M+): 178.1356, found: 178.1458.
Anal. 元素分析 Anal. Calcd for ****: C 74.02, H 18.54. Found:C 73.98, H 18.50.
ee Enantiomeric excess,对映体过量值 计算方法: (major – minor)/(major+minor),以百分数表示。
de 非对映异构体过量值
ratio 比例  
er 对映体比例  
dr 非对映体比例  
ORP 比旋光度(optical rotary power) αd[20] +10.3 (c 1.0, CH2Cl2) d代表钠灯d线,20代表温度,c代表浓度,1.0即10 mg/ 1mL,后面是溶剂。 需要用测得的值除以当时的浓度换算。
UV 紫外-(可见)光谱  
IR 红外光谱  
XRD X射线衍射,一般用来测定晶体结构