7. Predict the substitution product. Basically, decide if it's going through an Syl or Sy2 mechanism, then predict. SH Он он and Он SH NaOH or NaSH or SH only racemic racemic NaOCH3 Насо. Br NaOCH3 OCH3 via SN1 or SN2? Br- via SN1 or SN2?
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- Identify the major product of the reaction of an alkene shown below. ||| 1. Hg(OAc)2, H2O 2. NaBH4, NaOH ....... ОН || IV ОН о, ОНDetermine the mechanism of nucleophilic substitution of each reaction and draw the products, including stereochemistr CH₂CH3 CI Br + CN d. + CH3COOH a. acetone + -OCH3 e. DMF f. b. C. ||||| a ||||| Br H Br CH2CH2CH3 + CH3OH DMSO H CH3 CI Br + OCH₂CH3 + CH3CH₂OHArrange the compounds below in order of increasing reactivity in a SN2 reaction. 1. (CH3)2СНCI 2. CH3CH2B1 3. CH3CH2C1 A) 1; 2; 3 В) 3;B 2; 1 C) 1; 3; 2 D) 2; 1; 3 E) 3; 1; 2
- 11. What substitution reaction mechanism is most likely for the following compound? Br A) B) SN1 SN2 C) Either SN1 or SN2 D) None of theseI H Ph Br In an E2 elimination reaction, the leaving group and the hydrogen atom must be anti-coplanar for this concerted reaction to occur. ||| Identify which of the following structures has the hydrogen atom and the leaving group aligned anti-coplanar. CH3 Ph Ph H TI F H || OH H Ph H CH3 CH3 Br Ph Br A) I B) II C) IIIWhich of the following compounds will undergo the fastest SN1 reaction? A B IV || C) III E Both I & IV || Br E IV Br
- Q2: Identify which ring (A or B) will be preferentially attacked, and indicate the orientation of the substitution (ortho/para, meta or all sites). Reactive Substitution Reactive Sabstitution Reactive Substitution Compound Compound Compeuad Ring Orientation Ring Orientation Ring Orientation Oortko para Corthepara Oerthe para OA OA OB 1. Ometa 2. Ometa 3. Omta Oall sites Oall sites Oall sites Oortha para Oeta Oortho para Ota Oorthe para Oeta OA OA 4. 5. OB OB OB Oall sates Oall sites Call sites 2 CH3 в 5. CH3 CH3 CH3Predict the product of this E2 elimination reaction. ||| Br NaOCH3 || = IVWhat product(s) is(are) formed in the following reaction Br/CH-Clz Br plus enantiomer H3C Et Br Br H and H3C Br H3C Et Et Br он ...Et plus enantiomer H3C Br
- can you explain how can we determine major and minor product from these reaction elimination-addition? &=&=1561=6, NH₂ majo CH, NH₂ NH₂ &=-&-&-& majo CH3 OCH, CI NINH, NH 3liq. KNH₂ NH309. Br ΚΝΗ, NH CI CH₁ 80 80 OCH, majo NH, NH₂ mino CH3 mino NH₂ NH₂ NH, NH, CI majo CH3 majo NH₂ NH₂a- 3. b. N OCH3 C. N Show the for reasonable Curved mechanism the reaction and make sure lone pairs + Conc HBr HBr 40c CN Br1. Predict the major product for each. Consider regio and stereochemistry. 1. CPBA 1. MCPBA 2. H*, H20 2. H*, H20 1. Os04 1. ÖSŐ4 2. NaHSO3, H20 2. NaHSO3, H20 1. MCPBA 1. OsO, 2. H*, H20 2. NaHSO3, H20 1. mCРBA 1. OsO4 2. H', Н-О 2. NaHSO3. H20