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- QB. In the following compounds identify, with an arrow, the position that is most reactive towards electrophilic aromatic substitution. LOCH₁ ∞∞ da of OH O₂N- OCH,pls correct me if im wronginstruction: Match rows in columns based on the chemical reactions of benzeneOrder the following compounds from least reactive to most reactive with MeMgBr.
- What would be the Hnmr of the following compound? FOPlease deaw structures of the resonance structures of "enolate" of the following compounds with "a-H's" . Each has more than one kind, so choose the a-H marked (*). Thank you!Which of the following resonance structures is the greatest contributor to the resonance hybrid?
- What is the correct order of decreasing reactivity (most reactive first) of these compounds toward electrophilic aromatic substitution? CH3 a) | > | > | c) || > | > III OCH3 18 b) III > II >I d) II > III > I LOCH34. Identify the position where electrophilic aromatic substitution is most favorable. * HN CH3 CH3 A B O A O A and CWhich set of conditions for the reaction given below would provide the largest amounts of substitution products? Conditions? substitution products NACN in DME NAOH in Water O NACN in MeOH NaF in DMF
- I H Ph Br In an E2 elimination reaction, the leaving group and the hydrogen atom must be anti-coplanar for this concerted reaction to occur. ||| Identify which of the following structures has the hydrogen atom and the leaving group aligned anti-coplanar. CH3 Ph Ph H TI F H || OH H Ph H CH3 CH3 Br Ph Br A) I B) II C) IIIPredict the the regiochemical outcome (major product) for each of the following reaction, and explain why. (Draw complete resonance structures.) Meo. CHO "СНОWhich of the following should be stabilized by resonance and why ?