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The product was 2,3-dibromo-3-phenylpropanoic acid, with a melting point of 198-200 °C . So a racemic...
Draw the mechanism of the bromination reaction between trans cinnamic acid and bromine. Be sure to include stereochemistry( wedge and dashed structures). The product obtained was the racemic mixture of (2R,3S) and (2S,3R) of 2,3-dibromo-3-phenylpropanoic acid.
prelab wants me to draw a mechanism for both pairs. so one mechanism for the 93-95 C pair and another mechanism for the 202-204 C pair. Please draw out full mechanism with arrow pushing please for both! trans-cinnamic acid Bromination of trans-cinnamic acid can result in the formation of two different pairs of enantiomers (see Figure 4). Fortunately, the pairs of enantiomers have very different melting points. Thus, we can determine the result of this reaction by examining the melting...
Calculate the theoretical yield of 2,3-dibromo-3-phenylpropanoic acid in 0.7 mmol of trans-cinnamic acid in both mg and mmol.
Is the stereochemistry of the ionic addition of bromine to trans-cinnamic acid syn or anti addition? Why? I recorded a bp of 195 C. 3-phenylpropanoic acid, a dibromide with two le; these are shown here as their Fischer projections: i C. Hg C. Hg CHE CaHs HBr BrH H Br Br- H Br- H H -Br - HBr BrH COZH COH CO2H CO2H 2S,3S 2R,3R 28,35 2S,3R Enantiomeric Pair (threo diastereomers) mp 93.5-95.0°C Enantiomeric Pair (erytho diastereomers) mp 202-204 °C...
Experiment Write Up Proposal You will write up a synthesis procedure for one reaction that could be potentially run in a face- to-face Chem 2321 lab session. Your proposal will include an introduction and procedure. The procedure will include step-by-step instructions for running the reaction (including reaction monitoring), work-up. (product isolation and purification), and analysis (characterization). You will need to include sample calculations for percent yield and provide sample spectra analysis. You must upload your proposal as a single document...