2211 exam 4 morrison

2211 exam 4 morrison - E7“ NAME ID# first last,...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: E7“ NAME ID# first last, CHEMISTRY 2211 EXAM 4 23 APRIL 2W3 Be sure to read each question earefiilly. To tECEiW-t full credit you must answer the question completely. Answers must be 1Mitten in pen or the exam will not be graded. Relax anti good luckil 1. {I4 points} Complete the following reactions by drawing ALL regioieorneric AND Stereoison‘tet'ie products. CH2 HtV/ _._. 3. H J 5H3 —'—HED' _""“ CHzc He :1 ei-i2 He? HLCH l.I-IE{UAc}2,l-l20 ' 3 2.NEBH4,UH' (SPEECH-3 +4 Inc:— [:H‘5 I LHsLH 3 2. {12 points} Consider the molecule C1H11Br2t311. Draw a Fischer structure that is opticallyI inactive because it does not have a chirality center. SCORE 2 inactive because it is a tncso compound. CE | Draw a Fischcr stmcturc that is oticall. 3. [16 points) Lahcl cach ofthc chiralit}r ccntors in Ihc compounds below as R or 3. l H I H S ‘R “R Ho H H c H3 rot-[3c H2 or cm H EHECI T. H CH Elr CHQGH 1"; J “3qu HO H ' 4. {12 points} Draw an asterisk ilnmcdiatcly ncsl to cach chiral carbon. You will lose credit for cach chiral car‘oon not identifier] and cach achiral carbon ‘iTtti-DI‘I'GCUF idcntificd as chiral. Calculate tho total nossihlc numhcr of-storcoisorncrs for thc compound bciow. 1? = 3 Z macaw 3 3 5. {12 points} Write a structural funnula for each :3me IUJIufi'in cal-mounds: {a} {Z,4R}-4-McthyI-2-hcxcna {b} (E,4S)—4—Chlflm—2—penienc 1 may E1-2 211C] 2 1110333 H2! HamH CH3C—LLH3 "1 H7 amass 131-2 4 T. {16- points) Write E:1.P:]:nwisrr:j d'stailsd mschahism for fl]; reaction of 2 mo] of- HEr with prnpyne. With 1113 additinn afthe second male of H'L t0 the vinyl bromide be sure to clearly draw the intermediate: that manuals Hus re'giosizlcmjvit}! fifths second bromide addition. I CH3, ;— L2H: (—2? CH3 c.-- CH: 4.. C -8. (1G paints) Starling with 3,3~:iin1ufl1y1-I-bu’ryne and any timer organic camps-qu 01' fewer than 3 carbnns, {is-vise a synthesis sf {E)~2.2+dimcthyl-3-hsxene. Yuu must pmvidc magants fpr each Step and firsw the structureifs} of" H11 intermsdistc compounds. ...
View Full Document

Page1 / 4

2211 exam 4 morrison - E7“ NAME ID# first last,...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online