Which reaction would proceed well as written? A a B b C D d A) C) NABH, MEOH OH H,O, H,O но Он B) D) но он но он H,O, H,0 1. CH,MgBr 2. H,0° H.
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- 1. Which of the reaction(s) below will not work? Me (1) Me NBS, heat MeMe Br (3) ° HO OH TBOH NH₂ о NH₂ CH3 H.C CI HNO3 121 H.C CH3 14) H₂SO AIC NO A) 1 B) 2 C) 3 D) 4 E) 2 and 4Br OH", H2O A + Br HO B / SH¯, CH3SH HS' + Br Br Which reaction is predicted to be faster (A or B)? Reactions A and B are of the same type. Classify the reactions shown in A and B as SN1 or Sn2 (write 1 if SN1, write 2 if SN2)?The reactants and products for a chemical reaction are shown below. Which arrow pushing mechanism (A-E) would lead to the product that is shown? OE C OD B OA HO A. B. C. D. E. H-O: H-O: H- -H® H-O: 0 H-O: IOH OH + HO
- HO .OH cat. H2SO4 H₂O cat. H2SO4 Complete both mechanisms above. BRIEFLY explain how the different reaction conditions (in the presence of acid) result in different products being formed. How does equilibrium play a role?Chemistry g) Predict starting materials G - J structure for Reaction 5 and 6. Me OTMS D Ph si GH Me OTMS TiCl₂ CH₂Cl₂, -78 °C TiCl₂ CH₂Cl₂, -40 to 0°C OTMS E H Reaction 3 OMe TIC14 H* F O O OH flation N Me OH Reaction 4 Reaction 5 Reaction 6Which of the following reactions will be fastest? (a) Br: (c) Br: H S. CF3 (b) Br: (d) Br: CH3 OH
- Reaction C но LIOH H,O Incorrect Reaction DH i H 1.OHE 2-Br-Br Haloform Reaction Reaction 4Which reaction is faster in each pair? For each blank, type A or B. H blank 1 blank 1 B H N3 A NaN3 CH3- CH3- blank 2 В CH3- blank 2 A blank 3 A blank 4 A Н Br Br Br -Br H2O K+ OH H2O Н OH OH H OH blank 3 В blank 4 В Н Н Br CI NaN3 CH3- H2O Br Br K+ OH H₂O N3 Н хон он ОН
- ? Predict a reactant: ? H₂O™ H₂O™ x=00What results from the reaction shown? ОН H H CH;OH но- но. OH cat. HC1 OH OH H OCH; H |-0 H H А) НО но. B) H;CO OCH3 H OH H;CO. он HH;COH OCH; OCH; H H H С) Но- но. D) H;CO H;CO. OCH HHH;COHRefer to the folowing reaction mechanism: O' CH3-C OCH, OH slow CH, C-OCH fast CH,-C-OH CH,0 OH fast CH,C O CH,OH The least stoble transition state hos which structure? A CH-C-OCH, B. CH, C OCH, C. CH,-C-OCH, D. CH, COCH, OH OH ansaer Tme let 037 Refer to the tollowing reaction mechanium CH, coC, fast • OH CH C-OCH slow Нс он * сно fast CH,C-O CH,OH The most stable intermediate is A CH C осн, в сн, с осн, с. сн C.CH, C-OH D.CH-C-0 OH han songerto conp becouse on 14 Pyridine is a stronger base than pyerole because ered H. d out of eon pyridine 1H-pyrrole ione pair in pyridine is locolized. lone poir in pyrtole in locakzed Nrogan in pytidine is sp hybridirea ntrogen in pymole is sp'nybndced 15 the seoction eiow is on omple of whot hpe of oegoriC eaction? O nitrogen in pyrrole is sp hybridized. The reaction below is an example of what type of organic reaction? H2C=CH2 Br/CC4 BRCH,CH,Br +1 OElectrophilic Substitution CNucleophilic Substitution O Bimination ONucleophilic Addition…