Question 3 3.1 Highlight the role of the Claisen and aldol reactions in the biosynthesis of natural products by outlining the biosynthesis of acetate-malonate derived orsellinic acid and phloracetophenone [11] OH CO₂H HO orsellinic acid OH O HO OH phloracetophe
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- Match the given product to its possible reaction. HO HO H₂N Choose... Choose... Aminolysis of benzoic acid Hydrolysis of benzoyl chloride Oxidation of benzoic acid Nucleophilic acyl substitution of benzoic acid with cyclopropane carboxylate Cleavage reaction using ozone in hydrogen peroxide Electrophilic addition of chlorine in ferric chloride Esterification of benzoic acid by addition of propanol Reduction of benzoic acid Choose... Choose... Choose... 45 « 47 «a) A specific example of the Curtius rearrangement of an acyl azide to an isocyanate. b) The anionic intermediate that undergoes rearrangement in the Hofmann rearrangement below. 2 equiv NaOH, „NH2 NH, Br, H20 CO2 c) The iminium ion that is reduced in the in the reductive amination below. d) The Michael addition adduct that is generated in the Robinson annulation below. catalytic NaOCH3, CH;OH H3C + H20 рH 45 A NABH;CN CH;ÓHWhich carbonyl groups in the anticancer drug Taxol will undergo nucleophilic addition, and which will undergo nucleophilic substitution?
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