2) Write the products of the following reactions and indicate if they are meso compounds or racemic mixtures. + KMNO4, KOH, cold Ph Ph Ph H, 1 atm. RT Ni (cat) Ph
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- The following Wittig reactions may produce a mixture of alkene stereoisomers. Write the products for each of the reactions and indicate the stereoisomers if any. || Ph,P CH3 + ? (1) LOME (2) R N. Ph,P=CH,R' MeProvide the structure of the organic products(s), which result in the reaction below. (Hint: it's a substitution product; show stereochemistry joll| CI CH3 Br CH3CH₂OH CN7.) Which of the following is the product of CH,CHO + [Ag(NH3)2J* + OH- – product + Ag + H,0 + NH3 (1) CH,COO- (2) CH,CH,O (3) CH,COOA9 (4) CH;O-
- CH;O In the substitution reaction: (S)-2-bromononane CH;OH The product(s) of the reaction is(are)? OCH, OCH, OCH, OCH, A mixture of the major product c with the minor product d A equimolar mixture of b and c.Draw the structural formula of the product of the reaction shown below. + H₂O AAVIL H₂SO4 • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If the reaction produces a racemic mixture, just draw one stereoisomer. Sn [F Ⓡ ChemDoodleProvide the missing reactants, reagents, or products for the following reaction sequences below. If a sequence leads to a racemic mixture you should indicate "+ enantiomer." [or NH₂ CH,CHÍNH, H* (catalyst) total ele 1. LIAIH4 2. H₂O 0:
- Give the product of the following reaction. ? HBr H2OWrite the product of the two reactions shown below. In the first step indicate if the product is meso or is formed as a racemic mixture. Indicate whether final structure in the second reaction is cis or trans. Ph Br-Br H. LDA, THF solvent |* Predict the products and stereochemistry for the following reduction reaction NaBH4 (a) EtOH H2 Lindlar catalyst (b) 3-Hexyne (c) 3-Hexyne (d) CEC H2 Ni₂B (P-2) Na NH3
- s 2req 2req 2req 2req 2req Visited Complete the equation for the following reaction by drawing a structural formula for the missing organic product. Onomorecom NH3 CH₂ + You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • Draw cations and anions in separate sketchers. Ⓒ%81 CH₂ H₂O ? Y Jn [1Predict the major product of the following reaction. (CH3)3C-OOH LOH TI[OCH(CH3)214 (-)-DET Dom -OH 11 OH Io ||| Ø OH IV(b) Describe the hazards of (i) trioxygen: (ii) hydroxide ion; (ii) hydrogen sulfide. (c) Explain why an aqueous solution of sodium sulfide has an odor of hydrogen sulfide. (d) (11) Reduction of H,CCHCHO with NABH4 gives a product different from that of catalytic hydrogenation (H2 /Ni). What are the products?