NH Na+ 'N' 'N' + EtO 'N' H H H Sodium salt of A carbamic ester Tolbutamide p-toluenesulfonamide (Orinase)

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter31: Immunochemistry
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Problem 31.75P
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Several sulfonylureas, a class of compounds containing RSO2NHCONHR, are useful drugs as orally active replacements for injected insulin in patients with adult-onset diabetes. These drugs decrease blood glucose concentrations by stimulating b cells of the pancreas to release insulin and by increasing the sensitivity of insulin receptors in peripheral tissues to insulin stimulation. Tolbutamide is synthesized by the reaction of the sodium salt of p-toluenesulfonamide and ethyl N-butylcarbamate . Propose a mechanism for this step.

NH Na+
'N'
'N'
+ EtO
'N'
H
H H
Sodium salt of
A carbamic ester
Tolbutamide
p-toluenesulfonamide
(Orinase)
Transcribed Image Text:NH Na+ 'N' 'N' + EtO 'N' H H H Sodium salt of A carbamic ester Tolbutamide p-toluenesulfonamide (Orinase)
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