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1)  diastereoisomeric
非对映异构
1.
A pair of diastereoisomeric saponins with nine sugar moieties were isolated from the stem barks of Albizia julibrissin.
从合欢皮 95 %乙醇提取物中用溶剂和色谱法分离得到一对非对映异构体九糖皂苷 ( 1,2 ) ,经化学与光谱方法鉴定其结构 。
2)  diastereoisomers
非对映异构体
1.
Lithium aluminum hydrides modified with 1,2,5,6diisopropylidene mannitol and βdialkylaminoalcohol were used to reduce acetophenone or propiophenone to yied corresponding optically active alcohol which were converted to diastereoisomers with αacetylLpropionyl chloride.
为开发新型手性铝锂试剂,探讨双不对称诱导效应,选用含杂原子的光学活性氨基醇为辅助配体,与1,2,5,6 二丙酮甘露醇共同修饰LiAlH4,对潜手性芳酮进行不对称还原,得到光学活性醇;通过与α D 乙酰氧基 L 丙酰氯生成非对映异构体酯,经气相色谱分析,对映体过量在43 6%~77 7%之间。
3)  diastereomers
非对映异构体
1.
Separation of α,ε-diaminopimelic acid diastereomers in bacteria cell wall by HPLC with chiral derivatization
手性衍生-高效液相色谱法拆分菌体细胞壁中α,ε-二氨基庚二酸非对映异构
2.
The quantitative determination of leucogen was performed with external standard method using total area of its four diastereomers,and its related substance was determined by normalization method.
min-1;检测波长210 nm,外标法(以4种非对映异构体峰面积之和计)测定利可君含量,峰面积归一化方法测定有关物质。
4)  diastereomer [,daiə'stiəriəumə]
非对映异构体
1.
Primary study on the quantitative error in the determination of diastereomeric ratio by using 13 C NMR;
~(13)C NMR用于测定非对映异构体组成的定量误差初探
2.
Studies on the  ̄(13)C NMR Chemical Shift Differences Between Diastereomers;
非对映异构体~(13)C NMR化学位移不等性研究
3.
A cinchonine imprinted chiral monolithic column was prepared for the separation of the diastereomers of cinchonine and cinchonidine by in situ molecular imprinting technique.
在等度及梯度洗脱条件下 ,非对映异构体辛可宁与辛可尼丁被完全分离。
5)  Diastereoisomer [,daiə,stiəriəu'aisəmə]
非对映异构体
1.
HPLC Determination of Diastereoisomers in Mixtures of Tetramethrin and Cyphenothrin;
拟除虫菊酯混合制剂中非对映异构体的HPLC分离与测定
2.
Isolation of diastereoisomers from silybin and determination silybin by HPLC;
水飞蓟宾非对映异构体的HPLC分离测定
3.
Isolation of the diastereoisomers of the derivatives of γ-DDB with L-isoleucine;
γ-联苯双酯单酰化L-异亮氨酸甲酯非对映异构体的分离
6)  diasereotopic
非对映(异构)的
补充资料:非对映异位基团
分子式:
CAS号:

性质:分子整体中碳原子上互为非对映关系的基团。例如(S)-3-溴-环己烷二甲酸中的两个羧基。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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