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Which sequence of conditions best accomplishes the transformation below? Br steps Select one: O a. i)...
Which sequence of conditions best accomplishes the transformation below? OH OH steps Select one: O a. i) LDA, -78 °C; ii) CH3CH2CHO; iii) Zn, HCI o b.i) NaOEt -78 °C; ii) CH3CH2CHO; iii) Zn, HCI O c. 1) LDA, -78 °C; ii) CH3CH2CHO; iii) NaBHA o d. i) NaOet 25 °C; ii) CH3CH2CHO;iii) NaBH4
Which sequence of conditions best accomplishes the transformation below? CN steps Select one: O a. 1) LDA; i)CN ; ) NaOH :) H30* O C. 1) NaOH; ii) CN ; ) H30 O b. 1) NaH; b) I CN O d. 1) H+ -(H2O); 11) CN ; II) H,O* N
Which sequence of conditions best accomplishes the transformation below? COH Select one: O a. 1) KMnO4, KOH; then H30*. 2) Cl2, FeCl3. 3) (CH3)3CCI, AICI: o b. 1) Cl2, FeCl3. 2) KMnO4, KOH; then H30*. 3) (CH3)3CCI, AICI: O c. 1) KMnO4, KOH; then H307. 2) (CH3)3CCI, AICI:. 3) Cl, FeCl3 od 1) (CH3)3CCI, AICI. 2) Cl2, FeClz. 3) KMnO, KOH; then H30*
Which reaction sequence best accomplishes this transformation HCECH Br -Br (2R,3S)-2,3-dibromobutane A) 1. NaNH 2. CH,Br 1. NaNH, Bri H2 2. CH,Br Lindlar's catalyst B) HBr HBr 1. NaNH, 2. CH,Br 1. NaNH, 2. CH, Br C) Brz 1. NaNH, 2. CH,CH, Br D) Na NH 1. NaNH, 2. CH.BA 1. NaNH, 2CH.Br
Which of these reagents will not give the transformation below? OH Br o A) Mg + CO2, H30 NaCN H20, H B) o C) Mg, ether H Cro, H,0 D) Mg H30 CO2 E) Li (2 equiv.) CO2 H30 Select an answer and submit. For keyboard navigation, use the up/down arrow kays to select an answer. a a b b c C d d
Question 40 Not yet answered Marked out of 3.00 Flag question Which sequence of conditions best accomplishes the transformation below? NH2 Select one a. 1) HNO3/H 50. 2) Bry, Ferg, 3) Zn, HCI b. 1) NBS. 2) HNO3/H,50, 3) Zn, HCI c. 1) HNO3/H 504. 2) Zn, HCl. 3) Bra FeBrg d. 1) Bra FeBrg. 2) HNO3/H.S04, 3) Zn. Het uiz/attempt.?attempt=886589&cmid=1097276&page=40 The major product of the reaction below would be: AICI Select one o Question 42 Not yet answered Marked...
please solve the following question.
Choose the best reagent(s) from the list provided below for carrying out the following reaction sequence. CN 3. 4 2. 5. Drag and drop to match Response Premise = A CO2 1 1 SOCI = B 2 2 = C CHнсH-он, ругdine 3 3 ксN =D Mg ether =E 5 5 个 5 5 = E Mg ether = F NBS hv H30+ heat =H LIAIH4 ether Draw the product of the reaction. он Na2Cr207...
23) Select the best reagent(s) to accomplish the following transformation. a) i) 2 CH3CH2MgBr; ii) H30+ c) CH3CH2Br b) i) (CH3CH2)2CuLi; ii) H2O d) i) 2 CH3CH2Li; ii) H30+ 24) Select the best reagent(s) accomplish the following transformation. NH2 a) i) LiAlH4; ii) H30* c) H2O b) SOCI d) H30, heat
Question 10 What reagents is the best choice for achieving the following chemical transformation? O 0 ?? CH CC1; a. Cl2, NaOH b. PC13 Ос. HCI, А d. NaCl, H20 e. Cl2, AcOH Of. Cl2 Question 11 Which attacking species shown below would be the best choice to enforce an E2 pathway over an Sp2 pathway for the reaction below? Attacking Species? Br H CH CH3MBI HCO HC O H (b) CH NH OH (a) SH ( a. a Сь....
Question 1 Not yet answered Marked out of 3.00 P Flag question Which sequence of conditions best accomplishes the transformation shown below? CI Select one: O a. 1) CH3COCI, AlCl3. 2) Cl2, FeCl3. 3) Zn, HCI o b. 1) Cl2, FeCl3. 2) CH3CH2CI, AICI: O c. 1) Cl2, AlCl3. 2) CH3COCI, AICIz. 3) Zn, HCI O d. 1) CH3CH2CI, AICI3. 2) C12, FeCl3