EBK ORGANIC CHEMISTRY
EBK ORGANIC CHEMISTRY
12th Edition
ISBN: 9781119233664
Author: Snyder
Publisher: VST
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Chapter 25, Problem 14P

The example of a silyl–Hilbert–Johnson nucleosidation reaction in Section 25.3 is presumed to involve an intermediate ribosyl cation that is stabilized by intramolecular interactions involving the C2 benzoyl group. This intermediate blocks attack by the heterocyclic base from the α face of the ribose ring but allows attack on the β face, as required for formation of the desired product. Propose a struc-ture for the ribosyl cation intermediate that explains the stereoselective bonding of the base

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The following is a two groups (Regular tomato sauce & Salt Reduced Tomato Sauce) of data recorded by a team analysising salt content in tomato sauce using the MOHR titration method: Regular Tomato Sauce Salt Reduced Tomato Sauce 340.0 262.7 QUESTION: For both groups of data provide answers to the calculations attached in the image
7. Concentration and uncertainty in the estimate of concentration (class data) Class mean for sample (Regular) |[Cl-] (mmol/L) class mean Sn za/2 95% Confidence Interval (mmol/L) [Na+] (mg/100 mL) 95% Confidence Interval (mg/100 mL)
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