i CHC-O- CHC-O ! HI Experiment VIII: Glucose Pentaacetate CAUTION! O-CCH H 0=0 CH H H...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
i CH₂C-O- CH₂C-O ! HI Experiment VIII: Glucose Pentaacetate CAUTION! O-CCH₂ H 0=0 CH₂ H H O O=C CH₂ e-D-glucose pentaacetate -H O-CCH₂ O. CH,C-O Properties of Starting Materials and Products (From Aldrich Catalog-Handbook) CH.C-O- O O-CCH₂ H HI CH₂ 25,307-3 a-D-Glucose, A.C.S. reagent [492-62-6] (dextrose) FW 180.18 mp 153-158 la +52.5 to 53.0 (c-10, H₂O + trace NH,OH) Bell. 31,83 Merck Index 11,4353 FT-NMR 1(1),300A FT-IR 1(1),1908 S/ 26.D.5 R&S 1(1) 1930 H H Reference: "Organic Chemistry" Vollhardt and Schore, 4th Ed., p 1071. O=C 1 CH, 0 B-D-glucose-pentascetate H. Acetic Anhydride is an irritant. Measure out and transfer it in the hood. 1g 250 O-CCH₂ 7.00 9.60 1. 2. 3. Determine which anomer of the pentaacetate was formed in the reaction. When the pentaacetate anomer obtained in this reaction is heated with ZnCl2 and acetic anhydride, it is converted into the other anomer. Explain this observation. Two axial hydrogens on neighboring carbons in a six-membered ring have a larger coupling constant than the two hydrogens that have an axial-equatorial relationship. Identify the proton NMR spectra of two anomeric glucose pentaacetates given. i CH₂C-O- CH₂C-O ! HI Experiment VIII: Glucose Pentaacetate CAUTION! O-CCH₂ H 0=0 CH₂ H H O O=C CH₂ e-D-glucose pentaacetate -H O-CCH₂ O. CH,C-O Properties of Starting Materials and Products (From Aldrich Catalog-Handbook) CH.C-O- O O-CCH₂ H HI CH₂ 25,307-3 a-D-Glucose, A.C.S. reagent [492-62-6] (dextrose) FW 180.18 mp 153-158 la +52.5 to 53.0 (c-10, H₂O + trace NH,OH) Bell. 31,83 Merck Index 11,4353 FT-NMR 1(1),300A FT-IR 1(1),1908 S/ 26.D.5 R&S 1(1) 1930 H H Reference: "Organic Chemistry" Vollhardt and Schore, 4th Ed., p 1071. O=C 1 CH, 0 B-D-glucose-pentascetate H. Acetic Anhydride is an irritant. Measure out and transfer it in the hood. 1g 250 O-CCH₂ 7.00 9.60 1. 2. 3. Determine which anomer of the pentaacetate was formed in the reaction. When the pentaacetate anomer obtained in this reaction is heated with ZnCl2 and acetic anhydride, it is converted into the other anomer. Explain this observation. Two axial hydrogens on neighboring carbons in a six-membered ring have a larger coupling constant than the two hydrogens that have an axial-equatorial relationship. Identify the proton NMR spectra of two anomeric glucose pentaacetates given.
Expert Answer:
Answer rating: 100% (QA)
Using the two anomeric acetats of glucose provided 1 Because betaDgl... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
Students also viewed these chemistry questions
-
I have lost almost all of my receipts and I wanted to see if there are any rules that allow you to make deductions to your income taxes form without having receipts. For example gas etc. What is the...
-
I have two 5-year old girls Ellie and Jenny at home. Suppose I begin the day by giving each girl 10 toy cars and 10 princess toys. I then ask them to plot their indifference curves that contain...
-
I have two very different stories regarding data models. First, when I worked with First American Corporation, the head of Marketing kept a data model for the marketing systems hanging on a wall in...
-
1. Johnathan's utility for money is given by the exponential function: U(X)-4-4*100). a. Based on his utility function, what is his risk-odds for the S+/-1 deal, r($1)? b. Is Johnathan a deltaperson?...
-
A company should determine cost for inventory purposes by the inventory cost flow method most clearly reflecting its periodic income. Required 1. Explain the fundamental cost flow assumptions of the...
-
A GT cell will machine the components for a family of parts. The parts come in several different sizes and the cell will be designed to quickly change over from one size to the next. This will be...
-
Find the inverse Laplace transform of the following functions using the properties of Laplace transforms and the table of Laplace transform pairs. a. \(F(s)=\frac{18}{s^{3}}+\frac{7}{s}\). b....
-
Westex Products is a wholesale distributor of industrial cleaning products. When the treasurer of Westex Products approached the companys bank late in the current year seeking short-tern financing,...
-
ILPA APPENDIX - RISK ASSESSMENT FORM 1 2 3 4 5 Risk factor Very Very Low Medium High low high Management issues (8) The client's financial position The client's liquidity The extent to which the...
-
Your client, Summerford, Inc., has a debt agreement with Valley City Bank that includes a number of restrictions and covenants. Violation of any restriction or covenant results in the entire amount...
-
Capital Budgeting XYZ enterprise currently issues bond of $5 million with 10% interest rate. XYZ plans to issue $1 million more bonds at the end of each year for the next 5 years. If XYZs marginal...
-
What is meant by "loose coupling" and "strong internal cohesion" of subsystems? Why are these desirable goals to achieve in the factoring process?
-
Sabotage often targets equipment, operations, and . a. people b. files c. systems d. work products
-
Define the concept of a control.
-
Why must auditors focus on controls as a system?
-
Studies have found that managers spend about percent of their time resolving workplace conflicts. a. 2 b. 9 c. 13 d. 25
-
Match the IPv4 Address on the left with its type on the right. Each address on the left has only one match on the right. There are no extra entries. 224.0.0.10 127.0.0.1 Class C Public Address...
-
Nike manufactures shoes and sportswear. How has the Internet changed the way this company communicates with its suppliers and retail customers?
-
Quince Corporation has taxable income of $450,000 for its 2012 calendar tax year. Calculate the corporation's income tax liability for 2012 before tax credits. $_________
-
Amy is a calendar-year taxpayer reporting on the cash basis. Please indicate how she should treat the following items for 2012: a. She makes a deductible contribution to an IRA on April 15,...
-
Ken paid the following amounts for interest during 2012: Qualified interest on home mortgage...........................................$4,700 Auto loan...
-
Use Laplace transforms to sum the following series or write as a single integral. a. \(\sum_{n=0}^{\infty} \frac{(-1)^{n}}{1+2 n}\). b. \(\sum_{n=1}^{\infty} \frac{1}{n(n+3)}\). c....
-
Given the following Laplace transforms \(F(s)\), find the function \(f(t)\). Note that in each case there are an infinite number of poles, resulting in an infinite series representation. a....
-
Do the following: a. Find the first four nonvanishing terms of the Maclaurin series expansion of \(f(x)=\frac{x}{e^{x}-1}\). b. Use the result in part a. to determine the first four nonvanishing...
Study smarter with the SolutionInn App