4. What product would you expect to obtain from Grignard reaction of an excess of phenylmagnessium bromide with dimethyl

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4 What Product Would You Expect To Obtain From Grignard Reaction Of An Excess Of Phenylmagnessium Bromide With Dimethyl 1 (24.03 KiB) Viewed 51 times

4. What product would you expect to obtain from Grignard reaction of an excess of phenylmagnessium bromide with dimethyl carbonate, CHOCOOCH3 ? Write a complete reaction showing intermediates and reagents involved. (5) 5. Tranexamic acid, a drug useful against blood clotting, is prepared commercially from p-methylbenzonitrile. Formulate the steps likely to be used in the synthesis. Don't worry about cis-trans isomers. Heating to 300°C interconverts the isomers. H COH H2NHCIN (5)