Laurediol is a compound isolated from marine algae. Designate sequentially (1,2,3,4) the stereochemistry at the numbered sites in the given drawing of Laurediol. QH 4 ÕH Laurediol O E, Z, R, R O Z, E, S, R O Z, E, R, S O E, Z, S, S
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- Which of the following best describes the stereochemistry of ring closure and the product for the following reaction? (3E,5Z,7E)-3,5,7-decatriene hv A) disrotatory, cis-5,6-diethyl-1,3-cyclohexadiene B conrotatory, cis-5,6-diethyl-1,3-cyclohexadiene disrotatory, trans-5,6-diethyl-1,3-cyclohexadiene conrotatory, trans -5,6-diethyl-1,3-cyclohexadieneDraw the structure of an alkyl bromide with molecular formula C-H₁3Br that fits each description: (a) a 1° alkyl bromide with one stereogenic center; (b) a 2° alkyl bromide with two stereogenic centers; (c) an achiral 3° alkyl bromide.5) 1) MeO'Na* &r=&r MeOH 2) work-up (HCI, H₂O) 7) 8) NH OH 1) NaOH, H₂O 2) work-up (HCI, H₂O) HCI, H₂O heat 'H HO HO HCI, H₂O OH NH, CH How many stereoisomers are possible for this cyclic hemiacetal? OH
- (2R,3S)-2-Bromo-3-phenylbutane undergoes an E2 elimination when treated with sodium methoxide. Draw all possible Newman projections for the bond relevant for the elimination reaction, and use those Newman projections to explain the stereochemical outcome of the reaction. Draw the final product and provide its IUPAC name.Name the following compound including stereochemistry (R, S, E, and Z) CCH,CH,CH, H CH- CH,When (S)-2-bromobutane undergoes an SN2 reaction with CH3O-, the product is the compound shown below. What is/are the configuration(s) of the product(s) obtained from this reaction? O equal mixture of R and S H₂C a mixture of enantiomers with more R than S S only CH3 CH OR only O a mixture of enantiomers with more S than R H₂ CH₂
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