PKG ORGANIC CHEMISTRY
5th Edition
ISBN: 9781259963667
Author: SMITH
Publisher: MCG
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Textbook Question
Chapter 21, Problem 21.19P
Draw the products (including stereoisomers) formed when benzaldehyde
a.
b. 
c. 
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Highlight each glycosidic bond in the molecule below. Then answer the questions in the table under the drawing area.
HO-
HO-
-0
OH
OH
HO
NG
HO-
HO-
OH
OH
OH
OH
NG
OH
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+
Suppose the molecule in the drawing area below were reacted with H₂ over a platinum catalyst. Edit the molecule to show what would happen to it. That is, turn
it into the product of the reaction.
Also, write the name of the product molecule under the drawing area.
Name: ☐
H
C=0
X
H-
OH
HO-
H
HO-
-H
CH₂OH
×
Draw the Haworth projection of the disaccharide made by joining D-glucose and D-mannose with a ẞ(1-4) glycosidic bond. If the disaccharide has more than
one anomer, you can draw any of them.
Click and drag to start drawing a
structure.
X
Chapter 21 Solutions
PKG ORGANIC CHEMISTRY
Ch. 21 - Rank the following compounds in order of...Ch. 21 - Prob. 21.2PCh. 21 - Give the IUPAC name for each aldehyde.Ch. 21 - Prob. 21.4PCh. 21 - Give the IUPAC name for each ketone.Ch. 21 - Prob. 21.6PCh. 21 - Prob. 21.7PCh. 21 - The boiling point of is significantly higher than...Ch. 21 - Which carbonyl group in each pair absorbs at a...Ch. 21 - Problem 21.10 Draw the structure of all...
Ch. 21 - Prob. 21.11PCh. 21 - Prob. 21.12PCh. 21 - Prob. 21.13PCh. 21 - Prob. 21.14PCh. 21 - Problem 21.15 Draw the product of each...Ch. 21 - Prob. 21.16PCh. 21 - Problem 21.17 Draw the products of the following...Ch. 21 - Problem 21.18 Outline a synthesis of each Wittig...Ch. 21 - Problem 21.19 Draw the products (including...Ch. 21 - Problem 21.20 What starting materials are needed...Ch. 21 - Prob. 21.21PCh. 21 - Problem 21.22 The product formed when reacts with...Ch. 21 - Prob. 21.23PCh. 21 - Prob. 21.24PCh. 21 - Prob. 21.25PCh. 21 - Prob. 21.26PCh. 21 - Prob. 21.27PCh. 21 - Problem 21.28 Draw a stepwise mechanism for the...Ch. 21 - Problem 21.29 Draw the products of each...Ch. 21 - Problem 21.30 Label each compound as an acetal, a...Ch. 21 - Problem 21.31 Draw a stepwise mechanism for the...Ch. 21 - Problem 21.32 Draw the products of each...Ch. 21 - Problem 21.33 Safrole is a naturally occurring...Ch. 21 - Prob. 21.34PCh. 21 - Problem 21.35 How would you use a protecting group...Ch. 21 - Prob. 21.36PCh. 21 - Problem 21.37 Two naturally occurring compounds...Ch. 21 - Problem 21.38 Draw the products of each...Ch. 21 - Prob. 21.39PCh. 21 - Problem 21.40 (a) Give the IUPAC name for A and B....Ch. 21 - 21.41 Rank the following compounds in order of...Ch. 21 - Prob. 21.42PCh. 21 - 21.43 Give the IUPAC name for each compound.
a....Ch. 21 - 21.44 Give the structure corresponding to each...Ch. 21 - Prob. 21.45PCh. 21 - 21.46 Draw the products of each reaction.
a. e....Ch. 21 - Prob. 21.47PCh. 21 - 21.48 Draw all stereoisomers formed in each...Ch. 21 - Prob. 21.49PCh. 21 - What products are formed when each acetal is...Ch. 21 - Prob. 21.51PCh. 21 - Prob. 21.52PCh. 21 - Which compound forms the higher concentration of...Ch. 21 - Prob. 21.54PCh. 21 - Prob. 21.55PCh. 21 - Prob. 21.56PCh. 21 - Prob. 21.57PCh. 21 - Devise a synthesis of each alkene using a Wittig...Ch. 21 - Devise a synthesis of each compound from...Ch. 21 - Prob. 21.60PCh. 21 - Devise a synthesis of each compound from ethanol...Ch. 21 - Prob. 21.62PCh. 21 - Prob. 21.63PCh. 21 - 21.64 Draw a stepwise mechanism for the following...Ch. 21 - 21.65 Draw a stepwise mechanism f or the following...Ch. 21 - Prob. 21.66PCh. 21 - 21.67 Draw a stepwise mechanism for each...Ch. 21 - 21.68 Draw a stepwise mechanism for the following...Ch. 21 - Prob. 21.69PCh. 21 - Prob. 21.70PCh. 21 - Prob. 21.71PCh. 21 - Prob. 21.72PCh. 21 - 21.73 Although the carbonyl absorption of cyclic...Ch. 21 - 21.74 Use the and data to determine the...Ch. 21 - 21.75 A solution of acetone in ethanol in the...Ch. 21 - Compounds A and B have molecular formula ....Ch. 21 - 21.77 An unknown compound C of molecular formula ...Ch. 21 - 21.78 An unknown compound D exhibits a strong...Ch. 21 - Prob. 21.79PCh. 21 - -D-Glucose, a hemiacetal, can be converted to a...Ch. 21 - 21.81 Draw a stepwise mechanism for the following...Ch. 21 - Prob. 21.82PCh. 21 - 21.83 Draw a stepwise mechanism f or the...Ch. 21 - Prob. 21.84PCh. 21 - Prob. 21.85PCh. 21 - 21.86 Draw stepwise mechanism for the following...
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- Epoxides can be opened in aqueous acid or aqueous base to produce diols (molecules with two OH groups). In this question, you'll explore the mechanism of epoxide opening in aqueous acid. 2nd attempt Be sure to show all four bonds at stereocenters using hash and wedge lines. 0 0 Draw curved arrows to show how the epoxide reacts with hydronium ion. 100 +1: 1st attempt Feedback Be sure to show all four bonds at stereocenters using hash and wedge lines. See Periodic Table See Hint H A 5 F F Hr See Periodic Table See Hintarrow_forward03 Question (1 point) For the reaction below, draw both of the major organic products. Be sure to consider stereochemistry. > 1. CH₂CH₂MgBr 2. H₂O 3rd attempt Draw all four bonds at chiral centers. Draw all stereoisomers formed. Draw the structures here. e 130 AN H See Periodic Table See Hint P C Brarrow_forwardYou may wish to address the following issues in your response if they are pertinent to the reaction(s) you propose to employ:1) Chemoselectivity (why this functional group and not another?) 2) Regioselectivity (why here and not there?) 3) Stereoselectivity (why this stereoisomer?) 4) Changes in oxidation state. Please make it in detail and draw it out too in what step what happens. Thank you for helping me!arrow_forward
- 1) Chemoselectivity (why this functional group and not another?) 2) Regioselectivity (why here and not there?) 3) Stereoselectivity (why this stereoisomer?) 4) Changes in oxidation state. Everything in detail and draw out and write it.arrow_forwardCalculating the pH at equivalence of a titration 3/5 Izabella A chemist titrates 120.0 mL of a 0.7191M dimethylamine ((CH3)2NH) solution with 0.5501 M HBr solution at 25 °C. Calculate the pH at equivalence. The pk of dimethylamine is 3.27. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HBr solution added. pH = ☐ ✓ 18 Ar Boarrow_forwardAlcohols can be synthesized using an acid-catalyzed hydration of an alkene. An alkene is combined with aqueous acid (e.. sulfuric acid in water). The reaction mechanism typically involves a carbocation intermediate. > 3rd attempt 3343 10 8 Draw arrows to show the reaction between the alkene and hydronium ion. that 2nd attempt Feedback 1st attempt تعمال Ju See Periodic Table See Hint F D Ju See Periodic Table See Hintarrow_forward
- Draw the simplified curved arrow mechanism for the reaction of acetone and CHgLi to give the major product. 4th attempt Π Draw the simplified curved arrow mechanism T 3rd attempt Feedback Ju See Periodic Table See Hint H -H H -I H F See Periodic Table See Hintarrow_forwardSelect the correct reagent to accomplish the first step of this reaction. Then draw a mechanism on the Grignard reagent using curved arrow notation to show how it is converted to the final product. 4th attempt Part 1 (0.5 point) Select the correct reagent to accomplish the first step of this reaction. Choose one: OA Mg in ethanol (EtOH) OB. 2 Li in THF O C. Li in THF D. Mg in THF O E Mg in H2O Part 2 (0.5 point) Br Part 1 Bri Mg CH B CH, 1 Draw intermediate here, but no arrows. © TE See Periodic Table See Hint See Hint ין Harrow_forwardSelect the product for the following reaction. HO HO PCC OH ○ OH O HO ○ HO HO HOarrow_forward
- 5:45 Х Select the final product for the following reaction sequence. O O 1. Mg. ether 2.D.Oarrow_forwardBased on the chart Two similarities between the molecule with alpha glycosidic linkages. Two similarities between the molecules with beta glycosidtic linkages. Two differences between the alpha and beta glycosidic linkages.arrow_forwardplease help fill in the tablearrow_forward
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