4. What product would you expect to obtain from Grignard reaction of an excess of phenylmagnessium bromide with dimethyl
Posted: Tue May 17, 2022 6:39 am
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)