Problem 24.25 Draw the products when each pair of compounds is treated with "OH, H,O in a Robinson annulation reaction. EIO,C. la cOOEt + b. d.
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- Problem 24.1 Draw the aldol product formed from each compound. CH,CHO b. (CH),CCH,CHO d. C. Problem 24.2 Which carbonyl compounds do not undergo an aldol reaction when treated with "OH in H,O? CHO сно b. C. (CH3)C a. d. H (CH);CDraw the product formed from a Michael reaction with the given starting materials using OEt and EtOH. &. i CO₂Et NaOEt EtOH draw structure ...Draw a stepwise mechanism for the following reaction. RO Crazy. Lewis acid or HA ago HO A RO
- Draw a stepwise mechanism for the following Robinson annulation. This reaction was a key step in a synthesis of the steroid cortisone by R. B. Woodward and co-workers at Harvard University in 1951.Fill in the missing reagents a-h in the following scheme:One acetal can be converted to a different acetal by reaction with a diolin the presence of acid, a process called transacetalization. Draw astepwise mechanism for the following transacetalization.
- Problem 24.7 Draw the products formed in each crossed aldol reaction. a. CH,CH,CH,CHO and CH,=0 c. CH,CHO and b. CoH,COCH, and CH2=0A. Draw a proposed mechanism for the reaction of cyclohexanol with aqueous sulfuric acid to yield cyclohexene. Label each step as either: nucleophilic attack, loss of a leaving group, or proton transfer.Draw the product formed when A is treated with each series of reagents.a. [1] H2O; [2] NaH; [3] CH3Brb. [1] CuCN; [2] DIBAL-H; [3] H2O c. [1] C6H5NH2; [2] CH3COCl