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- a. Propose a synthetic pathway for cis-[NiCl2(CO)2] using trans-effect. b. Propose the methods to differentiate the isomers in between [RhCl2(H2O)4]Cl and [RhCl3(H2O)3].H2O.Arrange the structure on the image with regard to the reactivity towards nucleophilic acyl substitution 1 being the least and 3 being the mostEnamines formed from the cyclic secondary amine pyrrolidine are important intermediates in the synthesis of 1,5-diketones. (1st pic) On the structures provided below, draw arrows showing electron flow for the reaction mechanism for the acetic acid-catalyzed formation of an enamine from cyclohexanone and pyrrolidine. (2nd pic)
- Provide a reasonable arrow-pushing mechanism for Reaction 5b, and explain the the stereochemical outcome. 5d belowDo not give handwriting solution. please draw out what compound A is and then provide aroow pushing mechanism for thisreaction! thanks01 Cive the ctrientiono of Comnand 4 2.2 Provide a reasonable arrowpushing mechanism for the reaction in 2.1Propose a mechanism for the followingreaction.
- Explain this result: Acetic acid (CH3COOH), labeled at its OH oxygen with the uncommon 18O isotope (shown in red), was treated with aqueous base, and then the solution was acidified. Two products having the 18O label at different locations were formed.A key step in the synthesis of naproxen, an NSAID more commonly known by its brand name, Aleve (Section 3.9), is a coupling reaction of 2-bromo-6-methoxynaphthalene to form 2-methoxy-6-vinylnaphthalene. Show three different coupling reactions, and the required reagents, that could be used tocarry out this step.give tha three synthesis with mechanism of triazolo(1,5-a) pyridines and 5-triazolo(3,4-b)1,3,4dithiazolo
- a) Write out the first 3 steps only(to the tetrahedral intermediate shown) in the 6-step arrow pushing mechanism showing how ethyl propanoate is hydrolyzed in acid to form propanoic acidand ethanol. b) NaOH/H2O also serveto hydrolyze an ester; briefly explain why NaOH/H2Ois generally preferable.Stereoisomers of α-bromocinnamic acid: draw the reaction mechiansim with arows for the dehydrobromination of 2,3-dibromo-3-phenylpropanoic acid with ethanol and KOH to produce (Z)-α-bromocinnamic acid and (E)-α-bromocinnamic acid. Also draw the transition state for The (Z)-isomer syn-periplanar transition state and anti-periplanar transition state of the (E)-isomer.Draw the SNl or SN2 reaction with CN for the following molecules t butylchloride , n - butylbromide , 2 -bromobutane . Explain in which mechanism it will react and why ?