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- Give the common or IUPAC name for the product of Claisen Rearrangement of phenol under conditions shown below: OH 2) H,C-CH-CH,Br 3) 250° C 1) NaH/ THE Product Claisen RearrangementWhat is the major product of the following reaction? OH NO₂ FeBr B12 1-bromo-2-nitrobenzene 2-hydroxyaniline 2-bromo-6-nitrophenol and 4-bromo-2-nitrophenol O 3-bromo-2-nitrophenol and 5-bromo-2-nitrophenolName the following compound. CI Br O2-bromo-4-chloro-6-oxyoxane ○ 6-bromo-4-chloro-2-oxyoxane O2-bromo-4-chlorocyclohexanoate ○ 5-bromo-3-chloropentanoic acid lactone ○ 1-bromo-3-chloropentanoic acid lactone
- Claisen rearrangement of an allyl phenyl ether with substituent groups in both ortho positions leads to the formation of a para-substituted product. Propose a mechanism for the following rearrangement. OH heatAcetals are formed from the reaction of two alcohols with a carbonyl under acidic conditions. Acetal formation is faster with 1,2-ethanediol than with two methanol molecules. Choose the factor that explains the difference in reaction rates. A) The reaction with 1,2-ethanediol has a lower AH (enthalpy) of reaction. B) The reaction with 1,2-ethanediol has a higher AH (enthalpy) of reaction. C) The reaction with 1,2-ethanediol has a more favorable entropy of reaction.Identify the best reagents to complete the following reaction. CI o
- What is the best reagent to make the following product? NH₂ A NH,CH B NHỊCH3)2 NHỊCH,CH, NHỊCHỊCH) C D EPrepare each compound from cyclopentanol. More than one step may be needed.Determine in the missing reagents needed to complete each reaction: A в OH CN H. ОН Please label your responses as A, B, & C.
- C(CH3)3 CN OH A в Reaction: Bromination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? CH3 H3C || H3C CH3 'N-C-CH3 'N' H3C-N-CH3 A B Reaction: Bromination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest?|H3C- H3C. OCH 3 H3CO CH3 H Aldehydes and ketones react reversibly with two equivalents of alcohol in the presence of an acid catalyst to give acetals. Alcohols are poor nucleophiles, and so protonation of the carbonyl oxygen is used to make the carbonyl carbon a stronger electrophile. Addition of the first equivalent of alcohol gives a hemiacetal, a hydroxyether. Addition of the second equivalent of alcohol is accompanied by loss of water to yield the product acetal. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions NA 2 CH₂OH HCI catalyst CH3 HỘ H3CQ H3C- H3CO CH3 H3C. OCH3 CH3 H₂O*: 45How could you prepare benzyl phenyl ether from benzene and phenol? More than one step is required.