Question

72. Predict the product for the following reaction. CH,CH,OH pyridine A) ethyl 3-methylbutanoate B) ethyl 2-methylpropanoate C) isobutyl ethanoate D) 5-methyl-3-hexanone E) none of these 73. Predict the product for the following reaction. 1 soa 2.CH.CH.NL 74. Predict the product for the following reaction. 75. Predict the product for the following reaction sequence. ooo AICI, 76. Provide the reagents necessary to carry out the following conversion.

Answer 1

as calalyt in bris heocuón, t an addduct in dasplaces a and hen fons which e Increased electrophiticiyt is acidbae Rمتل prodet staniliation Reaction

->The -co qoup is on vertedl b aciol Chlorioe tHO

amine f formaliag acid chlerde then veacts with amidle 74 -ОЙ + Meahanim +ие И— О acud-has Reasin

This reaetian ceeurs tismgs protanation of the canbany hat th ueohle Cher elapentandl) carbm Ao can attack Than t push te by -H Froup caupes Ha ankyanide 75 Ald Ald 0-H nое hae the fist Atup ncini aannhni lewis acid Ad.

.The coa rou meaets t So fou fametin auid Chkord The mechonism can be seen in и, е nestain (73) Alved. :0: hlast sup is estfcotim Rea tin where ir 0^ ata ck at anbny (eaues ue