Organic Chemistry - Standalone book
10th Edition
ISBN: 9780073511214
Author: Francis A Carey Dr., Robert M. Giuliano
Publisher: McGraw-Hill Education
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Question
Chapter 24, Problem 39P
Interpretation Introduction
Interpretation:
Using curved arrows, a mechanism is to be written to show the formation of oxygen-stabilized carbocation from each of the glycosyl donor.
Concept introduction:
The sulfide acts as a good nucleophile on reaction with an electrophile and forms sulfonium salts.
In pyranose, the carbocation formed at anomeric carbon stabilized by delocalization of pi electrons on oxygen is called oxygen-stabilized carbocation.
Due to planarity, the group attacking the oxygen-stabilized carbocation may approach from either side of the ring and gives
Trimethylsilyl trifluoromethanesulfonate or methyl trifluoromethanesulfonate can be used to convert the group or atom to a good leaving group in a substitution reaction.
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F
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Chapter 24 Solutions
Organic Chemistry - Standalone book
Ch. 24.2 - Prob. 1PCh. 24.3 - Problem 24.2 Which aldotetrose in the structure...Ch. 24.4 - Prob. 3PCh. 24.4 - Prob. 4PCh. 24.6 - Prob. 5PCh. 24.6 - Prob. 6PCh. 24.7 - Prob. 7PCh. 24.8 - Prob. 8PCh. 24.8 - Prob. 9PCh. 24.9 - Prob. 10P
Ch. 24.10 - Prob. 11PCh. 24.10 - Prob. 12PCh. 24.11 - Prob. 13PCh. 24.12 - Prob. 14PCh. 24.14 - Prob. 15PCh. 24.14 - Prob. 16PCh. 24.14 - Prob. 17PCh. 24.14 - Using Mechanism 24.2 as a guide, write a stepwise...Ch. 24.15 - Prob. 19PCh. 24.17 - Prob. 20PCh. 24.17 - Prob. 21PCh. 24.18 - Prob. 22PCh. 24.18 - Prob. 23PCh. 24.18 - Prob. 24PCh. 24.20 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - Prob. 28PCh. 24 - Prob. 29PCh. 24 - Prob. 30PCh. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Prob. 34PCh. 24 - Prob. 35PCh. 24 - Methyl glycosides of 2-deoxy sugars have been...Ch. 24 - Prob. 37PCh. 24 - Prob. 38PCh. 24 - Prob. 39PCh. 24 - Prob. 40PCh. 24 - Treatment of d-mannose with methanol in the...Ch. 24 - Prob. 42PCh. 24 - Prob. 43PCh. 24 - Prob. 44PCh. 24 - Prob. 45DSPCh. 24 - Prob. 46DSPCh. 24 - Prob. 47DSPCh. 24 - Prob. 48DSPCh. 24 - Prob. 49DSP
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