A.4. Seleeive renetion f C=0 which uses C70 componnds is dome thow patection Nus addition f ethylene glyal/ ethane - 1,2- dial under acidic conditions. Show how the falowing mote cule is potected and selectively reacted. Protechion orep H. S0y Cly Mg Br Deprotechim step 人。
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- i. LIAIH4 i. deprotection .CO2ME J CH2=CHCOCH3 protection ii. H30* ii. dehydration K H The synthesis of K from H involves a 3-steps reaction as shown above. ii. Suggest the reagents involve in the protection, deprotection and dehydration steps.Q: SUl fenation of benzene involves an electrophilic Substitution mechanisem, what would Be The Final product ? A. 0-S=0 2020 ilgin C. O= S=0 D. Ho-S=0 B.Mity.dorlocator%=Dassignment-take Not syn [Review Topics] [References] Br 1. +. KOt-Bu KBr HOt-Bu "Br Aqueous acetone H2O H3C HBr Br H OH optically active racemic a = Proton transfer e = Electrophilic addition h = Sy1 Nucleophilic substitution b= Lewis acid/base f= El Elimination i= S2 Nucleophilic substitution %3D c = Radical chain substitution g = E2 Elimination j= Electrophilic aromatic substitution d = Radical chain addition Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a -j for your answers. 1. Submit Answer Retry Entire Group 8 more group attempts remaining 2. 2.
- ab actions menu U https://app.101edu.co Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. 762F H. Drawing Arrows HR HH H₂O H 9 20: COH 'H Na @ Q Search draw the res X Problem 29 of 21 5 CFor the stru: X H H H Unda H 177 Riset wardrobem X H Ⓒ Dane H Na A :0: Dream Abox + 4 960 $18.PM 6010023Cambridge International AS Level Chemistry ot boe slo plgmes s al snsdismonooli End-of-chapter questions 1 1-bromobutane will undergo reactions when heated, as shown by reactions A and B. ot dwab on s bl auoltse s boaub svsd 20 swoll gab ods-suai la yel snoso sdr ssiganm n2 monl gnivims noiteibar VU luad CH;CH,CH,CH,Br B CH;CH,CH,CH,OH CH;CH,CH=CH, 90u S1s 2O1D Isdh tuo gomia sli ni qu dgid tod a guch pecoue For reactions A and B give the reagents used in each case. b Reaction A was repeated using 1-iodobutane instead of 1-bromobutane. Explain any difference in the rate of reaction observed. p bas- od mon c What type of organic reaction is A? d Show the mechanism for reaction A. e Reaction A was repeated with 2-bromo-2-methylpropane instead of 1-bromobutane. i Name the organic compound formed. elle ii The mechanism of the reaction with 2-bromo-2-methylpropane differs from the mechanism of smitas nosd asd i anol reaction A. Describe how the mechanisms differ. f What type of reaction is…21. The reaction scheme for the preparation of Z starting from benzene is as follows: * KMNO/H* Cl/AIC13 C2H$CI/AICI3 + X C6H6 + Y What is Z ? А. В. COOH CH,COOH D. С. CH,COCI COOH CICH A В
- Li ナ >ntermedinte Theoretical yicld |-og R4-093/mol Haw mych benzaldchyde B necded to Synthe Sze O-5009 4 diphenymethanol according to The 9bove equatuin -AgCOAO) Prupose everystep a reaction WmechaNsm fur Hhe above showns and intermedirte.4:31 PM Mon May 8 ← Problem 22 of 30 1) PhMgCl (C6H5MgCl) 2) HCI/H₂O Draw the products resulting from addition of a Grignard reagent to an aldehyde. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, Ignore any inorganic byproducts. CI @ 90% H Submit
- 4 which of tihe porlowing compounds posbesbe a 30l ehaniao (circle all possible angwers) ? kluicn of tne f0il0wing would be tue most reactive towards a nucleophilic acyl subgtitutiíon reaction?(circle your answer) पे 9. Boes tne pollowing reaction favor the formation Of pnduct H2 NA KOEE EEOH NH Yes NO OEqual amounts Of reactants and products willexist at equilibriumPP P 5 app.aktiv.com S S 1. Hg(O2CCF3)2, CH3OH 2. NaBH4, NaOH Drawing S P Draw the major product of this reaction. Ignore inorganic byproducts. Ir S S PC PC Probler Atoms and Draw orWhich set of reagents would be appropriate to synthesize bromobenzene from benzene? O 1. HNO3 in H2SO4; 2. H2CrO4 and heat O 1. H2CrO4 and heat; 2. H2 Pd/C O Br2 and FeBr3 O 1. CH3CH2CHCI and AICI3; 2. H2CRO4 and heat O4B12 and Fe O Heat and Br2 OBR2, HCI