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JEE Advanced 2017 Paper 2

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The reaction of compound P with CH3MgBr\mathrm{CH_3MgBr}(excess) in (C2H5)2O\mathrm{(C_2H_5)_2O} following by addition of H2O\mathrm{H_2O} gives Q. The compound Q on treatment with H2SO4\mathrm{H_2SO_4} at 0∘C\mathrm{0^{\circ}C} gives R. The reaction of R with CH3COCol\mathrm{CH_3COCol} in the presence of anhydrous AlCl3\mathrm{AlCl_3} in CH2Cl2\mathrm{CH_2Cl_2} followed by treatment with H2O\mathrm{H_2O} produces compounds S. [Et in compound P is ethyl group.
Section: Chemistry
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