Racemic mixture of enantiomers Exchange anion for optically active anion Mixture of diastereomers Separatioin Pure (+)-...
Someone please help me with this problem Enantiomers have very similar physical properties, while for diastereomers they can be very different. This fact is important in the separation or resolution of enantiomers. In the lecture, we looked at how chiral chromatography is used to separate enantiomers: first, by reacting them with an optically pure chiral reagent (i.e., pure R or S) to form a pair of diastereomers, then separating them using chiral chromatography, and finally detaching the chiral reagent to...
Please help with pre-lab questions. Pre-Lab Questions: 1. A sample of 2-butanol has a specific rotation of +3.25. Determine the optical purity (%ee) and percent composition of this sample (see Mohrig section 17.4). The specific rotation of pure (+)-2-butanol is +13.0°. 2. The equation for the formation of the diastereomeric salts is shown in the background information (performed in Part A of the procedure). Write this chemical equation in your notebook, then ALSO write a balanced equation for the formation...
A. Enantiomers: Certain substances have the unique property of rotating the plane of plane-polarized light. Such light rotation is detectable with the aid of a polarimeter. In order for a molecule to be optically active it must be chiral. Chiral objects lack a plane of symmetry and are non-superimposable on their mirror images. A sp?- hybridized carbon atom can fulfill these requirements if all four of its substituents are different. 1. Methane a) Prepare a methane molecule and then substitute...