Solutions_Manual_for_Organic_Chemistry_6th_Ed 425

Solutions_Manual_for_Organic_Chemistry_6th_Ed 425 - 18-49...

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Unformatted text preview: 18-49 (a) (�l���etal) d cet (holemi: ahemialketal) acet (d) (old:alketal) 1(a) 8-50 G.o: II (c) acetal (b) CH3CHCH2-C -CH3 2 o 6 o II + 2 CH0H 3 + CHCHoH 3 , (X (e) acetal (g) (f) diether, inert to hydrolysis OH 0H + O =( 0 H HO 1\ OH 3 HC-C-H ,-- : NH2NHPh .. H 3C-C-H H3C-C-H .. +NHNHPh 2 • NHNHPh (�fast proton transfers J two 20: i � NNHPh : NNHPh + I H30+ H :0: � I ( imine(s) (h) imine 0=0 :o� I H30+ .. H I H2 + NH2 + HN 2 0" .... ....CH ",CH O. .. H3C-?-H HC-C-H 3 H-O-H ( II H ll "----/' U HC-C-H 3 II --- H3C- H- •• CH3-CH CH3-CH acetal OCH3 I 1+ · :kV I O-H } NNHPh � -H I CH3-CH NHNHPh .. I 1+ -Q H CH3 O • hemiacetal OCH3 :O-H I I OCH3 I 420 ...
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