The following compound results from base-catalyzed aldol cyclization of a 2-substituted cyclohexanone.
Starting with the diketone, propose a mechanism for the cyclization.
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The following compound results from base-catalyzed aldol cyclization of a 2-substituted cyclohexanone. Starting with the diketone,...
Show the mechanism for a base-catalyzed aldol condensation of the reaction. Use any appropriate base. Show the mechanism for an acid-catalyzed aldol concentration of the reaction. use any apporproate acid. 2. Draw and name the compound resulting from the aldol condensation of vanillin with creatinine. сн, NH но- 160°C NH CH Vanillin Creatinine 2. Draw and name the compound resulting from the aldol condensation of vanillin with creatinine. сн, но- NH 160 C NH сH, Vanillin Creatinine
PROBLEM Propose a mechanism for the acid-catalyzed conversion of cyclohexanone to 2-chlorocyclohe TH CH,COOH cyclohexanone 2-chlorocyclohexanone (65%)
1. Draw the complete curved-arrow mechanism for the base-catalyzed aldol condensation to form dehydrorheosmin (or dehydrozingerone) from acetone and 4-hydroxybenzaldehyde (or vanillin). (2 points)
prepare the following compound from 2 carbon starting material . Phepare the following compound from any 2 carbon starting material and needed reagents. 2 Prepare the following compound from cyclohexanone and any I or 2 carbon starting material and needed 2 Prepare te following compound from cyclohexanone and any 1 or 2 carbon starting material and needed reagents
HW 22: Enolates 1. Provide a detailed, stepwise mechanism for the base-catalyzed enolization (keto enol tautomerism) of acetaldehyde. 2. Provide the major organic product of the folowing reaction. 3. Provide the major organic product of the following reaction LDA 4. Which of the following ketones will give a positive iodoform test? A) 4-heptanone D) cyclohexanone B) 3-hexanone C)2-hexanone 5. Provide the major organic product of the following reaction. 6. Provide the structure of the major organic product which results when...
1. Draw the reactants and dehydrated aldol product for your assigned aldehyde–ketone pair. 2. Using your assigned aldehyde–ketone pair, draw a base-catalyzed mechanism producing the dehydrated aldol product, an α,β-unsaturated ketone. Aldehyde is benzaldehyde Ketone is cyclohexanone
Use Dieckman cyclization to prepare the following compound from the indicated starting material. You may use any organic and inorganic reagents necessary. Your answer should clearly show your synthetic scheme complete with reagents and products for each step.
Provide the arrow pushing mechanism from Cyclohexanone to Compound A, AND Compound A to Compound B. MgBr PhS Li 1 1 2. ΚΗ, ΤΗF Δ THF, -78°C 2. HBF4 A В
Outline a synthetic method for the preparation of the compound shown below starting from cyclohexanone. Use any reagents that are needed. CH,Br Target Molecule