Choose the best reagents to complete the following reaction. + OH Q > Br OH

Complete the reactions and provide the mechanisms.

The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?

The following reaction can be carried out in two steps. Choose the correct reagents i) and ii) to perform the following reaction. CN Oi) H₂O, acid catalyst; ii) CN Oi) HBr; ii) CNT Oi) CN; ii) H₂O, acid catalyst i) CN; ii) heat i) Br₂; ii) CN .

Select the correct product for the following reaction.

What products result from each step in the following reactions? Use mild acid if needed. q H₂O, H+ TfCl MeOH + + + TfCl MeOH

Don't provied handwriting solution.

What is the major product of the following reaction? OH CrO3 H,SO, CH,OH CHO COOH COOH сосн COOH COOH COOH

Complete the following reactions by filling in any missing reactants, reagents or products. a) Zn(Hg) conc. HCl b) ОН ? с) ОН РСС CH,Cl,

oH NH2 major product?