Concept explainers
Interpretation: The enantiomer other than
Concept introduction: Hydroboration reaction is a two step reaction, which involves conversion of
Anti markovinokov’s rule states that the positive part of acid gets attached to that carbon atom in
To determine:
The enantiomer other than
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Organic Chemistry (9th Edition)
- Provide the structure of the product(s) with stereochemisty if appropriate. If multiple products indicate major product or if products are formed in equal amounts. If there is no reaction expected explain why. NaBH3CN `N then H30* work up `NH2 ВГz, NaOH, H2Cо mCPBA then heat •NMe2 Меarrow_forwardWhen cyclohexene is treated with m-chloroperbenzoic acid and H,0, trans-cyclohexane-1,2-diol is produced. Propose a mechanism for this reaction, accounting for the observed stereochemistry. Hint: Recall what a МСРВА + Enantiomer H2O "OH peroxyacid does to an alkene.arrow_forwardDraw the main product (s) (and the stereochemistry, if present). Indicate the mechanism of the reaction (reason it). 1) NaOH CH3 2) CH3-CH=CH-CH2BR NaNH2 H3C-CH2-C-Br CH3 Acetona/H20 50% NH3 líquido ČH3arrow_forward
- Provide the structure of the missing products or reactants. Show the relevant stereochemistry if necessary. H3C Br H₂O _SH [4© 1 product 2 products (2 isomers) ✓ OH + ?<arrow_forwardGive the Major product(s) and name the starting compound with stereochemistry: H2O H2O H2SO4 H,SO, HgSO,arrow_forwardWhen 2-cyclobutylpropan-2-ol is treated with a solution of HBr in Et2O, 2-bromo-1,1-dimethylcyclopentane is the resulting product. Write the reaction and propose a mechanism using curved arrows notation in each step.arrow_forward
- b) DRAW THE product of each of the following reactions? DRAW expected product stereochemistry, where NEEDED TO b) חוו H3C- Pd(OAc)2 Ag2CO3 dppe H OBn 1. B2H6, THF CH3 CH3 2. NaOH, H2O2 B 0arrow_forwardWhich of the following additions to alkenes occur(s) specifically in an anti fashion? I am referring to anti/syn stereochemistry in this question, not the Markovnikov-based regiochemistry. O addition of H2 O halohydrin formation O hydroboration-oxidation O dihydroxylation using OsO4arrow_forwardFor each reaction, decide whether substitution or elimination (or both) is possible, andpredict the products you expect. Label the major products. chlorocyclohexane + NaOCH3 in CH3OHarrow_forward
- Please predict the products for each of the following reactions. Clearly show the regiochemistry (Markovnikov vs anti-Markovnikov) and stereochemistry (syn- vs anti- or both). If a mixture of enantiomers is formed, please draw all the enantiomers. O O O A O Br₂ CH3OH A 1.03 2. DMS KMnO4, NaOH cold HI mCPBA 1. Oso4 2. H₂O2 1.03 S B 18 17 19 20 1 16 14 CH,CHOSH (peroxyacid) MCPBA Pd or Pt (catalyst) 13 12 11 2 10 3 Pd or Ni (catalyst) D₂ (deuterium) EtOH C HBr ROOR BH3 THF Фәнхолест a ada d œœœœœ H₂SO4 HCI 1. BH3-THF 2. H₂O2, NaOH Br₂ Br₂ H₂O D Darrow_forwardDraw mechanism arrows and then predict the major products and stereochemistry. Also include the labels of thermodynamic and kinetic 1-methylcyclohexene with BH3 followed later with –OH, H2O2, and H2O.arrow_forwardKelerences Keview topic Draw a structural formula for the major product of the reaction shown. Cl2 H20 CH;CH2CH;CH=CHz • Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. Do not show stereochemistry in other cases. • If the reaction produces a racemic mixture, just draw one stereoisomer. 2reg 2reg M) ots 2reg pts 2req 1 pts 2req 1 pts 2reg ...1 pts ChemDoodle Previous Next> Save and Exit APR tv MacBook Air 80 DII DD F3 F4 FS F6 F7 F8 F10 F1 F12 #3 $ & + 3 4 6. 7 8 %3D dele E Y | { } P [ F G H. J K C V N M ? .. .. * C0 Barrow_forward