Draw the structures of the 2 enolate products from the reaction below. One is called the...
4. (2 pts) Consider the enolate forming reaction below. Provide the structure of the enolate anion formed in this reaction (only need to provide one resonance contributor). HiC o: H2C Нас pKa -20 pKa -33 Enolate oti (2 pts) Based on the information provided, do you expect the favored enolate to be the kinetic or thermodynamic enolate? Briefly explain.
Draw the major thermodynamic and kinetic products of the reaction below in the labeled boxes. Draw the major thermodynamic and kinetic products of the reaction below in the labeled boxes.
Fill in the boxes below with the correct structures of enolate reaction products. NaOEt EtOH 1. NaOH 0 3. heat Michael addition NaOH NaOH heat H+ Crossed Aldol 3 NaOH 1. NaOH CH3 3 Br2 Haloform Fill in the boxes below with the correct structures of enolate reaction products. NaOEt EtOH 1. NaOH 0 3. heat Michael addition NaOH NaOH heat H+ Crossed Aldol 3 NaOH 1. NaOH CH3 3 Br2 Haloform
Draw the major enolate region-isomer expected from each of these carbon acids under the reaction condition indicated in the incomplete equations. Classify each enolate as either kinetic or thermodynamic (16 pts.) LDA. - 78 on .28 KO-t-Bu t-BUOH KO-t-Bu 1-BUOH
Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the enone below. You do not have to consider stereochemistry. Draw the enolate ion in its carbanion form. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple reactants using the+ sign from the drop-down menu.
Alder Re? 9. Draw the two major products for the following reaction. a. Identify each as either a 1,2 or 1,4 addition product. b. Write either "thermodynamic" or "kinetic" underneath each one. c. Draw the two resonance structures for the intermediate from which both form H-Br ton nroducts for the following reaction. Draw the the major product or products for the following reaction. Drow the resonance structures for the intermediate from which both form Bra/ hv NBS/ peroxides 11. Give...
Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the enone below. H You do not have to consider stereochemistry. Draw the enolate ion in its carbanion form Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner Separate multiple reactants using the + sign from the drop-down menu .
Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. • Draw the carbanion resonance structure for the enolate without a cation. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. Co o 750/1000 []* ChemDoodle Previous Next Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. CH3...
The double cyclization (above) proceeds by formation of an enolate followed by two successive intramolecular Michael reactions. Write a detailed mechanism for this reaction on paper, then draw structural formulas for the reactant enolate and adduct enolate of the first Michael reaction in the window below. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. Do not include lone pairs in your answer. They will not be considered in the grading. Draw enolates...
Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol or enone below. • You do not have to consider stereochemistry. • Draw the enolate ion in its carbanion form. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right com • Separate multiple reactants using the + sign from the drop-down menu. C-@- .OOO-1 Draw structures for the carbonyl electrophile and enolate nucleophile that react to give...