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Predict the product CH, MOB (excess) then workup HC OH OH H₃C. OH CH, CH OH А B с OA OB Oc OD Question 2 5 pts Which compound would react the fastest with a nucleophile? А с D ОА OB Ос OD U Question 3 5 pts Which compound that would react the fastest in an Sw1 reaction? OA
Question 2 2 pts Predict the major product of the following crossed aldol condensation. CHO 1. NaOEt; EtOH 2. H20, A Ph a Od Ob O O oc Оа
4. Predict the Product: NaBHA MeOH 1. LAH 요 2. H30* Ph3P li Php NaOEt EtOH 1. TBS-CI, imidazole ОН ОН 2. HO TsOH 1. NaOET 2. Br Br 3. NaOET 1. (1.1 equiv) LDA THF, -78°C 2. Br 1. (0.9 equiv) LDA THF, 0°C 2. Br
The organic product of this reaction is: + NaOCH2CH3 H Br OA. 2-ethoxy-2-methylpentane OB. 3-ethoxy-2-methylypentane OC. 2-ethoxy-3-methylpentane OD. 2-ethoxy-4-methylpentane Reset Selection 20
Question 13 (2 points) Predict the reactants for the following Diels- Alder product: OB 0: co 0:41 oa) IV ob) Oc) III od) 11 Question 14 (2 points) Calculate the degree of unsaturation for CgH9N04. oa) 8 ob) 6 OC) 9 od) 4
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(1 point) (a) Carefully determine the convergence of the series (-1)The series is OA. absolutely convergent OB. conditionally convergent Oc. divergent (b) Careftul detemine the convergence of the series . The series is (b) Carefully determine the convergence of the series n-1 OA. absolutely convergent OB. conditionally convergent Oc. divergent
(1 point) (a) Carefully determine the convergence of the series (-1)The series is OA. absolutely convergent OB. conditionally convergent Oc. divergent (b) Careftul detemine the...
Predict the major organic product of the following reaction and complete its mechanism below. 1) NaOEt/EtOH 2) CH3CH2CH2Br 3) dilute NaOH/heat 4) H30* 5) heat Complete the curved-arrow mechanism for the scheme below by adding any missing atoms, bonds, charges, nonbonding electrons, and curved arrows. :O O: :Br. CH3CH2OH Do not show curved arrows for this step. Added acid Dilute HH NaOH and heat hydrolyzes the ester. O: Na Br - H20, Na* O: 100-150 °C O:
QUESTION 13 What is the critical path? OA-C-G A-D-H OB-E-G B-F-H
Question 18 4 pts Which compound would give the following elemental analysis? C:87.19 H: 12.61 B C D. OC OB OD OA Question 19 5 pts
Cdhl is dephosphorylated by OA. Cyclin B OB. B. PS3 Cdc14 OC. E2F D. DNA synthesis is initiated when the following complex is activated O A. Cdk4-cyclinD complex O B. Cdk6-cyclinD complex Cyclin E-Cdk2 complex OC. o D. CylinA-Cdk2 complex Which of the proteins may have disulphide bonds? Proteins destined to cytoplasm O A. Proteins destined to plasma membrane OB. Proteins destined to Nucleus O C. None of A, B and C OD. Cell surface receptor that transmit the signalling...