by Friedel – Crafts alkylation with propyl chloride to give a compound A, A on oxidation gives (B) Identify A and B. . CH MgBr+ H O + A HBr B Identify A,B,C,D and write the complete equation Mg / ether HCHO / H O + D . What will be the product (X and A)for the following reaction acetylchloride X A i) CH MgBr ii) H O acid K Cr O .
How will you convert acetylene into n-butyl alcohol. . Predict the product A,B,X and Y in the following sequence of reaction butan - - ol SOCl A Mg ether B X Y X Cu / 573K . , – dimethylbutan - -ol on treatment with conc.
H SO to give tetramethyl ethylene as a major product. Suggest a suitable mechanism XII U11-Hydroxy XII U11-Hydroxy - - - - R - CH = CH R - CH = CH R - CHO R - C -Cl R - COOH R - COO - R' HCHO H O/H + H O B H H O /H O H /PI LiAlH N /H Na+C H OH i)LiAlH i) Rmgx R - OH R - ONa + R - O - C - R' + H O R - O - C - R' + H O R - O - C - R' R - X + H O R - Cl alkene R - O - R RCHO RCOOH R - CHO R - CHO Na R'COOH R'COCl R'COOCOR' R MgBr anhy ZnCl HX PCl /PCl / SOCl con.H SO Oxidation H + /K Cr O PCC DMSO Cu/573K markownikoff additon anti markownikoff addition ii) H O / H + ii) H O To prepare alcohol alcohol R - CHO alcohol R R R - H + MgBr (OR) (No reaction for alcohol