Q: (i) (ii) NaOH (iii) SOCI₂ heat (iv) CH₂N₂ (2 eq.) (v) Heat, EtNH₂ C12H21 NO2
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Q: PART B: Using electron pushing arrows give the mechanism for the reaction below. Clearly indicate…
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Q: mcPBA > を 3る
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Q: True or False for the product of this reaction. PHCH2B1 + Mg Et20 A + 1. CO2, 2. H30 H20 --…
A: Yes the product shown in the above reaction is correct hence the answer will be TRUE.
Q: Consider the following reactions and choose the correct structures from the pool of choices below.…
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Q: SOCI, or P205 or POCI3
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Q: RhCI(PPH3)3 (а) H2 Ru(=CHPH)Cl2(PCY3)3 (b) Br Pd(PPH3)2CI2 (c) CH3 Br B(OH)2 Pd(OAc)2 (d) + CH3 +
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- Show how the synthetic scheme developed in Problem 23.67 can be modified to synthesize this triiodobenzoic acid X-ray contrast agent.Under acidic conditions (such as in your stomach) benzyl penicillin (BP) breaks down to three products which we will call A, B, and C in a parallel reaction with the following A BP B. values for the rate constants: ka = 7.0 × 10-4 sec-1; ks = 4.1 x 10-3 sec-1; and ke 5.7 x 10-3 sec-1. What is the yield of product A? In other words, after the reaction has reached completion what fraction of the product is present as compound-A?The triple amine in an acidic medium does not give a transition n→o * Explain why?
- Illustrate the cope elimination is an intramolecular E219) Draw Products and label reaction mechanism 196) Why is this reaction inefficient at extending chain molecules? OX (CH₂), CuliEstrogens are female sex hormones, the most potent of which is B-estradiol. OH AYA Но B-Estradiol In recent years, chemists have focused on designing and synthesizing molecules that bind to estrogen receptors. One target of this research has been nonsteroidal estrogen antagonists, compounds that interact with estrogen receptors and block the effects of both endogenous and exogenous estrogens. A feature common to one type of nonste- roidal estrogen antagonist is the presence of a 1,2-diphenylethylene with one of the benzene rings bearing a dialkylaminoethoxyl substituent. The first nonsteroidal estrogen antagonist of this type to achieve clinical importance was tamoxifen, now an important drug in the treatment of breast cancer. Tamoxifen has the Z configuration shown here. NMeg A B NMeg ? ОН Tamoxifen Propose reagents for the conversion of A to tamoxifen. Note: The final step in this synthesis gives a mixture of E and Z isomers.
- NOC XT Ph CH₂ Both primary and secondary amines add to a ß-unsaturated aldehydes and ketones to yield ß-amino aldehydes and ketones rather than the alternative imines. Under typical reaction conditions, both direct and conjugate modes of addition occur rapidly. But because the reactions are reversible, they generally proceed with thermodynamic control rather than kinetic control so the more stable conjugate addition product is often obtained to the complete exclusion of the less stable direct addition product. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions H H CH3NH₂ CH3 H-A :A Ph NHCH3 вон CH3 :A H-A 8bAssign the following as Ror S.Ni(II)-aminopyridine complex was synthesized using a metal-template condensation reaction presented below. Compound C is the target compound, but other Ni complexes can be produced as well as the intermediates of the reaction. H Н он H H2N H2N Ni(CIO,2 'N + HN N Ni2* HN 2 CIO, N N* HN 2 CIO, N N2* HN 2 CIO, H2O-ELOH reflux H2N. A B What spectral features would you expect to see in MS and IR to determine whether the synthesis was fully successful/complete?
- Why are azo compounds good building blocks for organic dyes because aromatic azo compounds have alternating C-C and C=C bonds azo coupling removes the N-N triple bond azo coupling generates new C=C bonds O Azo coupling makes a longer conjugation systemDraw the possible stereoisomers of 2-methylocta-4,6-dien-1-amine. Note that E-, Z- isomers of each stereoisomer are also possible and would not be accounted for by the formula above; draw any E- or Z- isomers.Two chemists at Dupont found that ICH2ZnI is better than diazomethane at converting a C=C bond to a cylcopropane ring. Propose a mechanism for the reaction, now known as the Simmons–Smith reaction in their honor.