Which will Acetals react with?
A. LiAlH4
B. NaBH4, CH3CH2OH
C. RMgBr
D. H3O+
E. Acetals will react with all of the above reagents
Which will Acetals react with? A. LiAlH4 B. NaBH4, CH3CH2OH C. RMgBr D. H3O+ E. Acetals...
Which of the following reagents do not react with ketone carbonyls? a. NaBH4 b. (CH3)2Culi c. LiAlH4 d. CH3MgCl . Treatment of an alcohol with which of the following would produce an ether? a. CISI(CH3)2(C(CH3)3) b. NaH, CICHOCH3 c. NaH, CH3CH2Br d. all of these Conjugate addition to a,B-unsaturated carbonyl compounds is characteristic of a. mild, reversible nucleophiles b. strong, irreversible nucleophiles c. wet oxidizing agents d. large weak electrophiles e. small strong electrophiles f. alkyllithiums
2. Which of the following is not a reducing agent? A. NaBH4 B. LiAlH4 C. H2Ni D. Sn/HC1 E. PCC
U UUUUUMUS UC 10) Which of the following reagents complete the reaction below: A) TSCI, LiAlH4 B) Raney Ni/H2, heat C) NaBH4, CH2CH OH D) Zn/Hg, HCI
CH3 CH3 H3C Reagents a. CH3COCI, AICIsg. b. NaBH4 then H3o h. (CH3)hCHCOCI, AICl3 c. PBr3 d. NaCN g. BH3/THF then H2O2, OH. i. H2, Pd/C j. NBS, CCl k. Br2, CH2Cl2 f. CH3CH2COCI, AICl Select reagents from the table to carry out this transformation Enter your answer as a single string of letters representing the reagents in the order that you wish to use them, i.e. bdce If a given reaction is to be used twice in succession, enter...
+ lidt 6) How would you perform the following transformation? OCH CHE A) NaBH4 B) LiAlH4 C) 1. DIBAL-H 2. H20 D) 1. SOCI2 2. LiAlH(O-1-Bu)3 7) What reagent can be used to convert 2-methylbutan-1-ol into 2-methylbutanal? A) LiAlH4 B) Na2Cr207 C) 03 D) KMnO4 E) PCC 9) Show how you would perform the following synthesis. A) 1. 03 2. (CH3)2S B) KMnO4, cold, basic C) Os04 D) 1. mCPBA 2. potassium dichromate 25) Provide a detailed, stepwise mechanism for...
Label the following mixtures as:
a. LiAlH4
b. NaBH4
c. -Cl, -Br, -I
d. -COOH, -NO2
e. -NH2, -O-CH3
f. Br2/FeBr3
g. Br2 Solution
h. Lucas Test
i. 2,4-DNP
j. Tollen's Reagent
nucleophilic substitution bromination mixture electrophilic addition bromination mixture m- directing deactivating groups electrophilic substitution bromination mixture selective hydrating reagent indicates the existence of carboxylic groups 0-, p- directing activating groups indicates the existence of aldehydic groups non selective hydrating reagent 0-, p- directing deactivating groups indicates the existence...
5. Which of the following reagents is the best choice for the reaction shown below? CH Cн, A) H2O2 B) LAH C) POCI D) OsO E) O 6. Which of the following reagents can be used to convert cyclopentanol to cyclopentane? A) TOSCI, pyridine followed by LiAlH4 B) Na2Cr207, H2SO4 C) NaBH4 followed by H30 D) POClypyr, followed by H2, Pt E) both A and D 7. What is the product of the following reaction? OH Cro3, HC, pyridi ne...
I am checking my work conern hydrate reactions and using a new
method we learn on synthesis. I need help with all of these
questions.
Organic Chemistry 2 Which of the following compounds has the largest % of hydrate when warmed in acidic water solution (H3O+) for 2 hours? CCH3 CH CH CH NO2 2.Acetals are often prepared during synthetic sequence to "protect the carbonyl group of an aldehyde or ketone. Such an acetal is NOT reactive to each of...
AICI, BH tert-BUOK Bry-FeBrg Brą,HBr Brą, NaOH DIBAH HB H2,Pd/C H2SO4 LDA LiAlH4 NaBH4 NaH NH4,KOH, heat 03,DMS OsO4 PBrz SOCI, Zn/HCI . For the following scheme, write the reagents needed for the transformation shown, over/under the arrow. You may use the reagents on the alphabetical list above. In some cases you will need other reagents. (42 points) on how to mp -Pompe OH - Me PhOH PhaMe pn Me Ph Me OH LOH Phoн Ph Ph -Me Ph ph...
5. Which is a protic solvent? A) CCIA B) HCC13 C) CH3(CH2)4CH3 D) CH3CH2OCH2CH3 E) CH3CH2OH