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- Draw the products formed when p-methylaniline (p-CH3C6H4NH2) istreated with following reagent. (CH3)2C=ODraw the products formed when (CH3)2C=CH2 is treated with following reagent. [1] BH3; [2] H2O2, HO−(a) Draw all products formed by treatment of each dibromide (A and B) with one equivalent of NaNH2. (b) Label pairs of diastereomers and constitutional isomers. H Br H Br CH3 CH3 Br H H Br A
- (a) Draw the products (including stereoisomers) formed when 2methylhex-2-ene is treated with HBr in the presence of peroxides. (b) Draw the products (including stereoisomers) formed when (S)-2,4dimethylhex-2-ene is treated with HBr and peroxides under similar conditions.Draw the product formed when CH3CH2C=CH is treated with each of the following sets of reagents: (a) H2O, H2SO4, HgSO4; and (b) R2BH, followed by H2O2, HO−.Draw the major product(s) when the following molecule is reacted with excess NaOEt in EtOH, followed by aqueous acidic work-up. CH;CH,OĊCH(CH,)¿COCH,CH3 CHa
- Identify the reagents a-c in the following scheme:Identify the missing reagents a-f in the following scheme:The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?
- Dehydration of 1,2,2-trimethylcyclohexanol with H2SO4 affords 1-tert-butylcyclopentene as a minor product. (a) Draw a stepwise mechanism that shows how this alkene is formed. (b) Draw other alkenes formed in this dehydration. At least one must contain a five-membered ring.Draw the product formed when pentanal (CH3CH2CH2CH2CHO) is treatedwith following reagent. With some reagents, no reaction occurs. [1] HC≡CNa; [2] H2ODehydration of 1,2,2-trimethylcyclohexanol with H2SO4 affords 1-tert-butylcyclopentene as a minor product. (a) Draw a stepwise mechanism that shows how this alkene is formed. (b) Draw other alkenes formed in this dehydration. At least one must contain a ve-membered ring.