Question

11. (42 points) Complete the following reaction schemes by providing the necessary product, starting material, and/or reagent(s) in the boxes provided. Be sure to note any regio- and/or stereocontrol in the reaction. Also, answer any related questions. This reaction is an example of a mechanism. ch HCEC: Br2 * *111111Br 111CH3 THF CCIA (solvent) Ані існа NaCN H2O Dub Br 1. Mg 2. CO2 (s) 3. H30+ *HICH3

Answer 1

PAGE NO og Page no-2 DATE These reaction is called Alkylation of terminal carbona Alkyne to Alkene using the pript Then convert catalyst. © y nacni [A] H @ 1B ] By و را 2) CO2 (s) - ho Lith mechanism NAC EN SHO , tautomerization CFMH »Ć-NL 12 Boy (ny OH 개 앰로 I no transfer Acid en c-OH 10 044 cn attack on Halogenated Carbon & remove. Brion & form Alkys cynide ② Product which on reaction with Ho to give acidi. e e 6 product

PAGE NO. Page no- 5 0 DATE o swers oxidation : DMSO i oxalyl chloride il en PCC DMS Alkene react with intermediate & Compound, molozonide ozone to form alkene form molozonide to dicarbonys