Which is the starting material for the following reaction? 1. 03 2. DMS You + I...
Which starting material would give rise to the following product exclusively upon treatment with Oz/DMS? 03. DMS ismul HC CH (A) CH CH3
What is the major product in the following series of reactions? 1) 03 then DMS 2) LiAlH4 (excess) then H20 3) NaH (1 equiv.) 4) TsCI (1 equiv.) 5) NaOH (dilute) Products OTS a) b) HO OTS OH OH C) d) e) 0.
Which of following is the best starting material for the reaction below? 1. (CH3)2NH ? 2. LIAIHA 3. H20 'N NK CN NH2 What is the major product in the following reaction? 1. DIBAL 2. H20 O H O OH OH СІ Which reaction sequence would accomplish this transformation? CN H2SO4/HNO3 Br2 NaNO2/HCI CuCN O Br2/FeBr3 H2SO4/HNO3 KF NaNO2/HCI O H2SO4/HNO3 Zn(Hg)/HCI NaNO2/HCI CuCN o H2SO4/HNO3 Zn(Hg/HCI NaNO2/HCI HBF4
19. Provide the starting material for the following reaction: 1. 03.(-78 °C) 2. (CH3) CH3-C-CH:--CH2-CH2-C-CH2-CH;
Which of the below reaction sequences will complete the transformation given? OH NH2 Ph1 PhV2 03 NaCN 1. LiAIH4 DMS HCN 2. H2O MCPBA NaN3 H2 Pt (111) 1. Oso PCC NH3, H2SO4 (cat.) 2. NaHSO3 NaBH3CN H2O (A) I, II only (B) I, III only (C) I only Question 14 An unknown compound exhibits the following is in the NMR spectrum 1.34ppm 3 405 om 2 7.17 om det 787 pom p om inget they the own compound (A)...
Answer the following 5
questions:
1. What is(are) the
starting material(s) in the reaction below?
2. Determine the
stereochemistry of the following alkenes.
3. What is (are) the
product(s)?
4. Select the correct
drawings of the elimination product(s) formed by treating the
starting material with a base.
5. Indicate how many
unsaturations does this molecule have?
Quiz CH 7 (10 points) CHEM 333 1. What is (are) the starting material(s) in the reaction below? (CH).COH CH, - HCHC=C- =CH-CH- (2...
Question 1 6 pts HO Starting material 1.LIAIH4 2. H30* HO Which starting material will give you the product selectively? Ph Ph Ph Ph A 00 С D Molecule C Molecule B Molecule D Molecule A
11. (42 points) Complete the following reaction schemes by providing the necessary product, starting material, and/or reagent(s) in the boxes provided. Be sure to note any regio- and/or stereocontrol in the reaction. Also, answer any related questions. This reaction is an example of a mechanism. ch HCEC: Br2 * *111111Br 111CH3 THF CCIA (solvent) Ані існа NaCN H2O Dub Br 1. Mg 2. CO2 (s) 3. H30+ *HICH3 This reaction exhibits regiocontrol. CH3COOH 1. BHS, THE 2. H2O2, OH, H20...
Alkyne, Alkene reactions and sythesis problem help
Question 1 Which molecule can you put instead of "?" in the reaction scheme below: de hacer esºs que Question 2 Choose a starting material "?" that will allow the following transformation in 1 step: ? ” ?? D What would be the reaction conditions "??" to accompany this transformation? Na, NH3 NH2, CH3CI NH2 - CH3CI Na, NH3 Question 3 Identify the major product of the following transformation: excess HBT Question 4...
Problem #1 Predict the major product(s) from the following reactions: CH3 1. 03 2. DMS