Consider the chemical structure of 1,1,2-tribromobutane. Each unique proton is labeled A through D.BrHCHBrАНHDBrH.Вa. Which is the most shielded?b. Which is the least shielded?c. Which is the most downfield?d. Which is the most upfield?

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Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterNW4: Nomenclature Worksheet 4: Carbonyl Compounds

Section: Chapter Questions

Problem 1CTQ

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Please fill out for each reaction i.Fill in the missing starting materials, products, or reagents as necessary.If no reaction occurs, write "N.R." and explain why this is the case. ii. Label each transformation as SN1, SN2, or acid/base. iii. Indicate if the product is racemic or a single enantiomer.
Which reaction will give a carboxylic acid? O a. cyclopentanol + PCC O b. tert-pentyl alcohol + CrO3/ H* O c. 1-butanol + PCC O d. 3-penten-1-ol + CrO3/ H* e. 3-methyl-2-pentanol + Cro3/ H*
a. Find starting materials in product. b. Find afunctional group in the product. What reaction do you know can be used to make this functional group? c. Write out the starting material and conditions necessary to make this functional group
Rank the species in each group in order of increasing nucleophilicity. a. CH,, "OH, "NH2 b. H20, OH, "SH in CH3OH c. CH,CH2S", CH;CH2O¯, CH;COO" in CH3OH d. CH3NH2, CH3SH, CH;OH in acetone e. "OH, F", CI" in acetone f. HS, F", CI in CH3OH
1. Identify each move below as attack, leave, protonate (or deprotonate), or rearrang e. A. B. н- но- O-H н.8н н,о° +] D.[ E. F.
which one is the best product for major product?
Which is a better nucleophile? a. Br− or Cl− in H2O b. Br− or Cl− in DMSO c. CH3O− or CH3OH in H2O d. CH3O− or CH3OH in DMSO e. HO− or −NH2 in H2O f. HO− or −NH2 in DMSO g. I− or Br− in H2O h. I− or Br− in DMSO
In parts 1 and 2 draw the two organic products of this reaction, showing any nonzero formal charges. Then, in part 3 answer the question regarding purification of the reaction mixture. 1. Draw the product with the higher molecular weight here: 2. Draw the product with the lower molecular weight here:
Draw the major product of this reaction. Ignore inorganic byproducts. 1. Ag2O, NH4OH 2. Neutralizing work-up O Q
i. Fill in the missing starting materials, products, or reagents as necessary. ii. Label each transformation as SN1, SN2, or acid/base. iii. Indicate if the product is racemic or a single enantiomer.
Non graded THANKS just need help for practice FIND THE MAJOR PRODUCTS FOR THE ONES BELOW
QUESTION 2 The preparation of a Wittig salt from an alky halide and triphenylphosphine proceeds by a(n) O A. E2 O B. Sn2 OC. E1 O D. free radical O E. Sn1 mechanism. QUESTION 3 Which resonance structure is more reactive as a nucleophile? Ph Ph O A. 1 O B. 2 OC. both are equally reactive Click Save and Submit to save and submit. Click Save All Answers to save all answers. o search F10 F1 F2 F3 F4 F5 F6 23 2 3 4. 7 8 W Y UI

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