The following is a key step in the synthesis of morphine involving the conversion of A to B. Draw a stepwise mechanism for this process, including an intramolecular alkylation and intramolecular aldol.A B A CHO SO2 Br N K2CO3 B N SO2
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- Draw the structures A, B and C for the reaction sequence below. Dehydration via an E1cb mechanism Michael Reaction Intramolecular Aldol Reaction A В КОН /ETOH / heat C КОН /ETOH КОН /ETOHWhich of the starting materials could be used to prepare the below compound by an aldol reaction? оа. b. d. co.Select the di-carbonyl compound that would efficiently form the structure shown via an intramolecular Aldol reaction. A. or B. •oo •ay E. og F. ol
- The Stork reaction is a condensation reaction between an enamine donor and an a,ẞ-unsaturated carbonyl acceptor. The overall reaction consists of a three-step sequence of 1. formation of an enamine from a ketone. 2. Michael addition to an α,ß-unsaturated carbonyl compound, and 3. hydrolysis of the enamine in dilute acid to regenerate the ketone. Consider the Stork reaction between cyclohexanone and propenal. Draw the structure of the product of the enamine formed between cyclohexanone and dimethylamine. ચર્ચ F Correct HC, CH3 ChemDoodle 2 Draw the structure of the Michael addition product. ChemDoodle Jn (F 106 CorrectThe reaction of 2,7-octanedione with sodium hydroxide the reaction would be an example of Intramolecular Aldol Condensation Intermolecular Aldol Condensation Acid Catalyzed reaction Limiting reagent problem give both answer asap thanks O O a. NaCl b. NaOH c. LiAlH4 d. EtOH Intermolecular Aldol Condensation Intramolecular Aldol Condensation Robinsol Annulation Claisen Condensation• Using aldol or crossed aldol condensation, suggest a synthesis of the following compounds: a b مليمت H3C H3C CH3 H3C ge H Saved
- Show a reasonable mechanism for the following reaction (Hint: Michael addition followed by intramolecular aldol condensation) ☆ NaOEt, EtOH APropose a mechanism for the following transformation Jung1. Provide the mechanism of the reaction shown in the picture. 2. Explain why it cannot be done in basic conditions. 3. Why is the enol tautomer favored over the keto tautomer? Ph H3C OH H H3O+/H₂O HO H3C Ph
- What carbonyl compound and what phosphonium ylide are needed to synthesize the Attached compound?When 3,7-nonadione is treated with NaOH base, it produces the enolate shown. What is the final product of this intramolecular aldol condensation (after dehydration)? i The final product is: A) B) C) D) & & & & NaOHDraw the major organic product of the following reaction sequence. 1) MCPBA 2) MeMgBr 3) H3O+ ?