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Problem_Sets_Key - First Name Last Name UTEID SCORE KEY...

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LastName: UTEID: FirstName: SCORE: KEY DeadlineforCH310NPOW1:Jan31 3:00PM 1)Forthefollowingstructures,labeltheequivalentprotonswiththe"a,b,c" letteringsystem. COOH O CH 3 O Asprin(salicylicacid) O a b c d e f a b CH 3 C H 2 O C H 2 CH 3 a b c d e a a b b c c N H O a b c d
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2)Assignthesplittingpatterntoeachtypeofprotonsinthesestructures. Usethefollowingabbreviations:s=singlet;d=doublet;t=triplet; q=quartet;5ormorepeaks:multiplet.Ifthereiscouplingfromdifferent setsofprotons,thenbothcouplingsmustbeidentified.E.G.doubletof triplets:doftortofd. CH 3 C H 2 O C H 2 H 2 C CH 3 triplet triplet triplet quartet tripletofquartets(12peaks) H 3 C H 2 C O C CH 3 O triplet quartet singlet
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LastName: UTEID: FirstName: SCORE: KEY DeadlineforCH310NPOW2:Feb7 3:00PM Cl C H 2 H 2 C C H 2 Cl Cl H C H 2 C CH 3 Cl 1)TheNMRsofthreeisomersofdichloropropaneareshownbelow.Match eachcompoundwithit'sNMRandprovideaninterpretationofeach spectrum.(i.e.drawthestructureontheNMRandlabelprotons,withtheir splitting.) H 3 C C CH 3 Cl Cl 0 1 2 3 PPM H 3 C C CH 3 Cl Cl a a a,singlet
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0 1 2 3 4 PPM 2 4 Cl C H 2 H 2 C C H 2 Cl a,triplet a,triplet a b,pentet b 0 1 2 3 4 5 6 PPM 3 2 1 Cl H C H 2 C CH 3 Cl a a,triplet b b,dofq c,triplet c 8peaks
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Last Name: First Name: UTEID: SCORE: KEY Deadline for CH310N POW 3: Feb 14 3:00 PM 1) Grignard reagents: Provide the products for the following reactions. ( structure-n-a-box ). If there is stereo- or regiochemistry in the products, you must indicate it with the appropriate drawings, such as wedge and dashed bonds. O H 1) CH 3 CH 2 MgBr 2) H 3 O + OH CH 2 CH 3 O CH 2 H 3 C 1) CH 3 CH 2 MgBr 2) H 3 O + H OH CH 2 H 3 C H CH 2 CH 3 O 1) PhMgBr 2) H 3 O + OH Ph a) b) c)
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