Why would the reduction of Z-Cinnamic Acid yield the same product as E-Cinnamic acid?
Why would the reduction of Z-Cinnamic Acid yield the same product as E-Cinnamic acid?
0.8002 g of (E)-cinnamic acid, 10 mL of glacial acetic acid and 1.7610g of pyridinium tribromide was heated under reflux to demonstrate the bromination of (E)-cinnamic acid. The mass of the final product was 3.4143 g and the melting point range was 175.4-203.4 ℃. What is the theoretical yield, actual yield, percent yield? Please show work! (Pyridinium tribromide and cinnamic reaction react in a 1:1 ratio).
Bromunation of trans-Cinnamic Acid Show the calculations for the theoretical yield (in grams) of the diromide product). There are 0.017 mol of Cinnamic Acid and 0.020 mol of Pyridinium Tribromide.
Why is 1,5-hexadiene added at the end of Bromine addition to trans-cinnamic acid? To neutralize any unreacted cinnamic acid molecules To make crosslinking reaction with the double bond of trans-cinnamic acid To make crosslinking reaction with unreacted bromine molecules To neutralize any unreacted bromine molecules To neutralize any molecules of HBr that might be formed as by product
What is the theoretical yield of 1mmol of trans cinnamic acid+1.2 mmols of pyridinium tribromide and what product is made? please note in this reaction acetic acid is added making me believe it is a catalyst.
Bromination of Trans-Cinnamic Acid Lab Question: The melting point of my product is 115-118C. The percent yield was 19.2%. Is the product erythro or threo? From the melting point, I am guessing it is the threo. But wasn't the product supposed to be erythro? Can someone explain this result? And what is a possible reason why the yield is very low?
Calculate the mass of 10.0 mmol of trans-cinnamic acid and the theoretical yield of 2,3-dibromopropanoic acid.
Calculate the theoretical yield of 2,3-dibromo-3-phenylpropanoic acid in 0.7 mmol of trans-cinnamic acid in both mg and mmol.
12. You are given a sample that is believed to be either cis-
or trans-cinnamic acid. Would TLC be a good method to determine
which compound you have? Why or why not? See structures
arom COOH (A) trans-cinnamic acid (B) cis-cinnamic acid
12. You are given a sample that is believed to be either cis-or trans cinnamic acid. Would TLC be a good method to determine which compound you have? Why or why not? See structures attached COOH OH (A) trans-cinnamic acid (B) cis-cinnamic acid
a. Based on the stereochemistry of the addition of bromine to trans-cinnamic acid, write the structure of the product(s) that will form when bromine reacts with (Z)-2-hexene.