ank the following acid derivative classes in order of increasing reactivity with the same nucleophile under identical conditions. A) ester < amide < anhydride < acid chloride B) amide < ester < anhydride < acid chloride C) acid chloride < anhydride < ester < amide D) anhydride < acid chloride < amide < ester

draw a curved arrow mechanism of the following reaction and draw the three intermediate structures and provide curved arrows

Nitromethane is quite acidic due to the stability of the nitromethane anion shown below. List two factors that afford stabilization of the nitromethane anion. H,CNO,

b) Design a synthetic scheme using the reagents given for the following two reactions. All reagents are used for each reaction scheme and in each case, a reagent can be used more than once. Take the necessary time to complete this question. i) ii) 2 eq. 2 eq. H₂/ Lindlar's catalyst Br₂/CH₂Cl₂ lo 오오 H NaH H₂O+/H₂O H₂/Lindlar's catalyst PCC/CH₂Cl₂ NaH i H3O+/H₂O CH₂Br

Draw the curved arrow mechanism for the formation of the major enamine product from the given iminium ion and amine. Draw all electrons and charges if necessary on the product; do not show any side products.