(6) Draw the structures of the three elimination products formed in this reaction. Circle the most...
Which of the following products is the major product formed from the bimolecular elimination (E2) reaction shown? ook , "E2" Which of the following products is the major product formed from the bimolecular elimination (E2) reaction shown? "E2" Which of the following products is the major product formed from the unimolecular elimination (E1) reaction shown? H2O "E1" Br
"Complete the reactions showing all Major Products, both
substitution and elimination, that can form based on the reaction
conditions. Be sure to show stereochemistry where
appropriate. Fill in each table with reaction conditions."
w upiete the following reactions showing all products, both substitution and elimination, that can form, then circle the MAJOR Foduct(s). Under each reaction, draw the step by step mechanism showing how each porduct is formed. Show or indicate stereochemistry where appropriate. Fill in each table with reaction...
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl Halide Substitution: Methyl 1° 2° 3° Base Strength: Strong Weak Mechanism Type: E1 E2 Draw the mechanism that leads to ALL products for the reaction. Finally, underline the major product of the elimination reaction: H3C OH H2C H2C1 Br CHE
Draw the structure of the product of this reaction. CH3 6-H -- кон. E2 elimination product H Br • Use the wedge/hash bond tools to indicate stereochemistry where it exists • If there are alternative structures, draw the most stable one. • If no reaction occurs, draw the organic starting material.
6. (4 pts.) Draw the two resonance structures of the enolate formed from the following reaction: 7. (4 pts) Draw the structure of an alkyl bromide (R-Br) and an alkoxide (R-O) that would provide the most efficient synthesis of the following ether by the Williamson ether synthesis. Target ether 8. (5 pts.) Draw a mechanism for the following E2 reaction. Draw the major product. Be sure to include any necessary H's in your structure as you draw the mechanism. OH...
1. Draw all of the constitutional isomers that are formed in each elimination reaction and label the mechanism as E2 or E1. a. 2-bromo butane reacts with methoxide b. 1-chloro-1-ethyl 2 methyl cyclopentane reacts with water 2. For which reaction mechanism are each of the following statements true? Mechanism S1, S2, E1 or E2. A statement may be true for one or more mechanisms a. The mechanism involves carbocation intermediates b. The mechanism has two steps C. The reaction rate...
3. Determine the mechanism of nucleophilic substitution (SNI or SN2) for each reaction and draw the products. Be aware of stereochemistry. 8 + CN - dletone m et och cun, DE Br + OCH₂ CH₂ DME 4. Draw all constitutional isomers formed during each elimination reaction after determining whether it is E1 or E2. habel it as El or E2. госна. a y "ocha, B b. Tă CH₃OH Br -OH
1. Draw all constitutional isomers formed in the elimination reaction and predict the major product using the Zaitsev rule. A . KOCICH ! KOC(CH) 2. Draw all possible elimination reaction product(s) for the following alkyl halide. 4. Classify the following alkenes as mono, di-, tri, or tetra- substituted alkenes. Then, circle the most stable one. thayo by my 5. Which of the following alkenes is more stable?
Draw the structure of the product of this reaction. KOH rightarrow E2 elimination product Use the wedge/hash bond tools to indicate stereochemistry. If there are alternative structures, draw the most stable one. If no reaction occurs, draw the organic starling material.