Question

Which of the following mechanisms for the formation of the most stable imine is correct? H2NER HƏN=R A H R R Hö: CH3 COM2 R-NH2 XCH₃ Ph CH3 Ph CH3 Ph OH -СН3 +NJH R H H2N-R Ph Ph NH (ΝΗ Ph CH3 Ph CH3 R H2N-R HNER H2NER B Н. R H-Ö: -CH3 OH2 : OH CH3 Ph +N-H R-NH2 Ph CH3 Ph CH3 Ph Ph -CH3 (NH NH Ph CH3 Ph CH3 RH R H2N-R H2N-R HN-R H2N-R H H-O! HR R COH2 EXCH3 R-NH2 Ph CH3 Ph CH3 : OH -CH3 Ph R H H2N-R Ph CH3 NH Ph Ph SNH R. CH3 Ph CH3 R H2N-R H2NR HNER OH con R ¿OH2 'N Ho: -CH3 Ph NH R. NO H2N-R Ph CH3 CH3 enfcHz Ph Ph CH3 ent Chi +N-H NH Ph CH

Answer 1

Hi there,

I have clearly explained through graphical method below.

Which of the following mechanisms for the formation of the most stable imine is correct? HNER HYNER А OH COH Ph -CH3 ΑΝΗ R-NH2 Phy en Ph OH -CH3 Ph N-H- RH CH3 Ph CH3 Ph TCH NH R CH3 CH3 H2N-R H2N-R ? lone pair on N atom H2NER H2NR B H-O: R-NH2 EOH2 -CH3 PH (ΝΗ -CH3 Ph Ph CH3 CH3 * он -CH3 Ph INH R H2N-R Ph NH Ph CH3 R Ph CH3 ? lone pair on N atom H2N-R H2N-R HN-R C ONR H-O? -CH3 ΝΗ : OH -CH3 Ph UNH H2N-R Ph Ph UN R-NH2 Ph CH3 COH CH3 Ph SNH R CH3 Ph Ph CH3 R R H2N-R HNER H2NER D H H-O: R OH -CH3 іон, CH3 H2N-R CH сн. Ph PhTCH CH3 Ph ph ONH Phi Ph CH3 Ph UNH R н H2N-R RNH H2N-R DA OB ᎾC OD

Hope this helped you!

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