NaBH4 can reduce aldehyde to corresponding alcohols.
answer = option A
Select the reagents/conditions needed to successfully complete the following transformation: Na Ho Bro-Br H-B-Hº HONO D...
Select the reagents/conditions needed to successfully complete the following transformation: Bro-Br HONGO Br orano Br • 0 0 0 DMSO O=S=0 CH2Cl2 н,сон 0 O A OB 0 oc OD
Select the reagents/reaction conditions needed to achieve the following synthesis. Pick the conditions in the correct order. Na H. H-B-HP H Na Brup-Br Br CH2Cl2 Η DMSO нс-О.н O (1) A (2) B O (1) A (2) C O (1) B (2)D O (1) A (2) D O (1) C (2) D
40. (38) Predict the product or provide reagents needed to complete each transformation. OH (a-b) K+-OH excess OH OF 1. SOCI Na+ HCO3- (c-d) 2. NH3 OH 1. KOH 2. CH CH CH Br ol (e-t) NH 3. NHANH H, H2, Pd ?? ?? (g-h) 'Ng NH2 NO2 (g-k) NEN OH 1. CH3 2. Ag20 3. heat 1. CH 2. Ag2O 3. heat (I-m) NH2 OH ?? NEN ?? (n-O) CI CI CI 1. Mg, ether 2. CO2 CH3CH2NH2, H+...
40. (38) Predict the product or provide reagents needed to complete each transformation. OH A (a-b) K-OH excess OH Na+ HCO3-. (c-d) 1. SOCI 2. NH, OH 1. KOH 2. CH3CH2CH Br a H (e-f) NH 3. NHỊNH H, Hz. Pd ?? ?? (g-h) N3 NH2 NOZ (g-k) -NEN OH CI N 1. CH3 2. Ag20 3. heat 1. CHE 2. Ag20 3. heat (l-m) NH2 ?? NEN OH ?? (n-0) CI CI CI CI (put) 1. Mg, ether 2.Co,...
9. What is the correct order of reagents needed for the following transformation? ~ Br OH
..) Complete the following transformation using some of the reagents provided below. Show each step of the synthesis and the reagents needed. For extra credit: H+ (cat) HT/H20 Os04 (CH3)2CO CH3CH2Br мСРВА HO-(cat) H2/Pd/lindlar HgSO4 BH3 HOCH2CH2OH Br2 Na/NH3 nBuli KMnO4 NaNH2 CH3(CH2)2CHO Mg/Et20 OH
39.(44) Predict the product or provide reagents needed to complete each transformation (a-b) CI benzene AICI CHẠNH (c-d) но (CH,CH) CML (e-) ОН CH₃CH₂OH (g-h) LIAHOCICH hb (-1) 1. LIAIH 2. H HO 1. LIAH 2. " H снуснон CHỊCHẠNH, (I-m) H, OH, heat (m-n) 1. LIAH 2.H (oxygen 18 labeled water) H.O.H. heat 1. LAIH 2. H (o-p) 1. HCM HO.H'.heat (9-4) -CEN 2. HOH (5-1) CEN 1. LAIH 2. H Page 3 of 9 40 (38) Predict the...
31) Provide the reagents necessary to complete the following transformation. More than one step is needed. Show the structures of any intermediate products. CH он 32) Provide the reagents necessary to complete the following transformation. More than one step is needed. Show the structures of any intermediate products. Br он enantiomer HO tto prss 33) Provide the reagents necessary to convert 3-methyl-2-butanol into 2-methyl-2-butanol. More than step is needed. Show the structures of any intermediate products. Page 7 of 8
7. What is the correct order of reagents needed for the following transformation? Br Br a. xs. NaNH2 b. NaNH2 C. NaOMe d. H3O* e. Propyl Chloride f. Butyl Chloride g. Pentyl chloride
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