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- Write the mechanism, as well as the structure of intermediate A and product B, for the following reaction. -CO₂Me A OOH BThe 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?Melamine, used as a fire retardant and a component of the writing surface of white boards, can be prepared from s-trichlorotriazine through a series of SNAr reactions with ammonia. The first substitution takes place rapidly at room temperature. The second substitution takes place near 100 °C, and the third substitution requires even higher temperature and pressure. Provide an explanation fatr this reactivity.
- 2. For the following multistep reaction, read the curved arrows and identify the sequence of arrow-pushing patterns as nucleophilic attack, loss of leaving group, proton transfer, or carbocation rearrangement. :CI: En A :: :ÖH O DWhat is the expected major product of this reaction? OH H₂N I H₂N H₂N 85% H3PO4, A H₂N ||| ? H₂N IV6. Provide the missing products for the following reactions: CH,OH, H CH,MgBr Ph,P=CHCH PCC HO Na₂Cr₂O H₂O° CrO, H₂SO H₂O
- Identify the major and minor product(s) of the following reaction: of Br NaOEt ? ELOHIdentify the expected major product of the following reaction. 01 O II O III OIV OV Na, CH3OH NH3 ||| IVChapter 8 Problem 166 Draw all likely alkene products in the following reaction. NN [1] Br "n CH3 Draw the molecules on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Submit A NaOH U acetone Request Answer 1 H 12D EXP CONT: ● ● Marvin JS by ChemAxon DA H C N O S CI Br I P F
- Identify the carbocation intermediates first formed in the following reaction. Will rearrangements possibly occur? What major product is formed? $ HCIIdentify the reagents a to c in the following reaction scheme stvo H OH H3CO OCH3 TOQ6. Fill in the blanks left in each of the following syntheses: Example: OH H Find the flaw(s): ОН H₂O* H CH3OH. Hº H ОН ОН H CO OCH3 0 MgBr NHANH2 КОН ОН оньсо H₂CO OCH; H