4- Predict the product(s) and show the type of the mechanism for each reaction below. (a) CH3CH₂CH₂OTos + NaBr DMF (b) (c) (d) O H _c1 CI Br + CH3C=CLi + KCN + CH3SNa DMSO DMF THF
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- Explain the mechanism of the following reaction using photodissociation: HCOOCH3 + hv -> CO + CH3OHProvide the mechanism and products for the acid-catalyzed epoxide opening reactions below, including appropriate stereochemistry.Draw the structures of the organoboranes formed when borane reacts with each alkene below, including the regiochemistry and stereochemistry as appropriate. Propose a mechanism for each reaction.
- Addition of HCl to 1-isopropylcyclohexene yields a rearranged product. Propose a mechanism, showing the structures of the intermediates and using curved arrows to indicate electron flow in each step.Dichlorocarbene can be generated by heating sodium trichloroacetate. Propose a mechanism for the reaction, and use curved arrows to indicate the movement of electrons in each step. What relationship does your mechanism bear to the base-induced elimination of HC1 from chloroform?Predict the product(s) and provide the mechanism for each reaction below.