There are many more pairs of diastereomers, because each of these configurations is a diastereomer with respect to every other configuration excluding its own enantiomer (for …

赤藓糖是含有2个不同手性碳原子的四碳醛糖，它有一对对映体，即D-和L-赤藓糖，其 费歇尔投影式 的2个-OH位于碳链同侧。 其他含有2个手性碳原子的化合物，若分别连有2个相同的基团、 …

2023年1月23日 · Diastereomers vs. Enantiomers vs. Meso Compounds. Tartaric acid, C 4 H 6 O 6, is an organic compound that can be found in grape, bananas, and in wine. The structures of …

非对映异构（英文：Diastereomerism）是指属于立体异构但不属于对映异构的所有同分异构现象， [1] 所涉及的异构体称为非对映异构体，简称非对映体。 它们包括顺反异构体、构象异构体 …

Identify if the following diastereomer of galactose is an epimer of D- galactose or L- galactose. Answer. Since the diastereomer above only varies from L-galactose by 1 chiral center, the …

A Diastereomer is called erythro if its Fischer projection shows similar groups on the same side of the molecule. It is called threo if similar groups are on the opposite sides of the Fischers …

To describe such a relationship, we need a new term—diastereomer. Diastereomers (dia- stair -e-oh-mers) are stereoisomers that are not mirror images. Since we used the right-hand/left-hand …

2023年6月7日 · It quantifies the extent to which a sample contains more of one diastereomer than the other. Diastereomeric excess aids in assessing stereoselectivity by indicating that when a …

2021年5月20日 · Compound D is also a diastereomer of compounds A and B. This can also seem very confusing at first, but there some simple shortcuts to analyzing stereoisomers: …

If a diastereomer has two identical or similar ligands on the same side of the Fischer projection as in erythrose, it is called erythro, and if on the opposite sides as in threose, it is called threo …