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- For following substituted benzenes: [1] C6H5Br; [2] C6H5CN; [3] C6H5OCOCH3: Does the substituent activate or deactivate the benzene ring inelectrophilic aromatic substitution?What reaction conditions are needed to convert (R)-2-ethyl-2- methyloxirane to (R)-2-methylbutane-1,2-diol ?Can (R)-3-hexanol can react with HCl to produce (R)-3-chlorohexane via SN2?
- Amantadine is effective in preventing infections caused by the influenza A virus and in treating established illnesses. It is thought to block a late stage in the assembly of the virus. Amantadine is synthesized by treating 1-bromoadamantane with acetonitrile in sulfuric acid to give N-adamantylacetamide, which is then converted to amantadine. CH,C=N in H,SO, Br NHCCH3 NH2 1-Bromoadamantane Amantadine (a) Propose a mechanism for the transformation in Step 1. (b) Describe experimental conditions to bring about Step 2.4. Draw the organic products of the reactions of (R)-2-iodobutane with azide ion and methanol. Draw allstereoisomers expected to form. (R)-2-iodobutane Na*N3* CH3OHNonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.
- What is the IUPAC name of the following salt? K* CH3CO-We have no way of predicting whether the reagent shown will add to the Re or Si face of the aldehyde functional group. Which of the following is true about the reaction shown? CH, CH3 LIC CH OH CH The reaction can produce a mixture of R,R; S,S; R,S; and S,R isomers. The reaction may yield a mixture of R,S and R,R diastereomers. The reaction may create a mixture of S,R and S,S diastereomers. O The reaction will yield either R,R or S,S enantiomers.a-phellandrene and ß-phellandrene are two isomeric diene-containing terpene compounds isolated from eucalyptus plants that are used in fragrances due to their minty and citrusy odors. Use these two compounds to answer the following two questions: a. The addition of 1 equivalent of bromine at room temperature to the phellandrenes will give three possible di-brominated products. Select either a- or ß-phellandrene for this question and draw it in the left box - you can answer this question with either isomer. Draw all three products in the colored boxes depicted - you do not need to depict newly formed stereocenters or show mechanisms. OR a-phellandrene B-phellandrene product 1 select either a- or B-phellandrene product 2 Br₂ room temperature 3 possible products (see below) product 3
- Ring-A is considered a deoxy-pyranoside because it is missing an alcohol functional group on which carbon of ring-A? Use standard carbohydrate numbering. E в он он Oleandrin is a toxic cardiac glycoside found in the poisonous plant, oleander (Nerium oleander L). It has a very long IUPAC name: acetic acid [(35,5R, 10S,13R,14S,16S,17'R)-14-hydroxy-3-[[(2R,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyl- 2-tetrahydropyranyl]oxy]-10,13-dimethyl-17-(5-oxo-2H-furan-3-y)-1,2,3,4,5,6,7,8,9,11,12,15,16,17- tetradecahydrocyclopenta[a]phenanthren-16-yl] ester B.The major product of the following reaction has the molecular formula C10H1603. Draw its structure in the most stable tautomeric form. 1. NaOC,H; 2. Н,О" С, Н,ОНC11T06Q9081 Give the major product(s) of the following reaction. OH TSCI heat pyridine
