2015年11月25日 · Since for every atom that can exist in more than one configuration, you have R or S (sp^3), or E or Z (sp^2), you have two configurations for each of those atoms. If you had 2 …

2015年5月4日 · What are stereoisomers? Give me an example Stereoisomers are molecules that have the same molecular formula and sequence of bonded atoms, but differ in the three …

2015年12月15日 · The structure of 2,3-dichlorobutane is CH3*CHCl*CHClCH3 The two carbon atoms marked with blue asterisks are chiral centres. The maximum number of stereoisomers …

2015年12月24日 · Start by drawing a chain of five carbon atoms. > Draw a double bond between carbons 2 and 3. Note that there are two ways to insert the double bond. One has the "H" …

2016年1月21日 · Stereoisomerism is the arrangement of atoms in molecules whose connectivity remains the same but their arrangement in space is different in each isomer. The two main …

2015年1月2日 · Step 1. Draw the bond-line structure for 2-chlorohexan-3-ol. Step 2. Identify the chiral centres. There are two chiral centres: C-2 and C-3. So, there are 2^2 = 4 stereoisomers. …

2015年8月27日 · Identify the chiral centres, then draw all possible answers. > Step 1. Draw the bond-line structure for 1,3-dibromopentane. Step 2. Identify the chiral centres. The only chiral …

2015年11月12日 · The only possible stereoisomer of a tetrahedral ion or molecule is its nonsuperimposable mirror image (enantiomer). A tetrahedral molecule or ion must have four …

2015年12月3日 · Four. Simply put, there are two configurations per stereocenter on a compound with all sp^3 carbons; R or S. So, we rack up stereoisomers according to 2*2*2*[...]*2 = 2^n …

2016年10月22日 · There are four optical isomers of isoleucine. The structure of isoleucine is Its chemical name is 2-amino-3-methylpentanoic acid. We see that "C2" and "C3" are chiral …