Primary Sulfonamide Functionalization via Sulfonyl Pyrroles: Seeing the N−Ts Bond in a Different Light
作者:Tomoya Ozaki、Hideki Yorimitsu、Gregory J. P. Perry
DOI:10.1002/chem.202102748
日期:2021.11.5
Sulfonamides are prevalent in drug molecules, however, methods for functionalizingsulfonamidesvia S−N bond cleavage are scarce. Based on a re-evaluation of N−Ts deprotection, we developed sulfonylpyrroles as linchpins for sulfonamidefunctionalization. Sulfonylpyrroles engage in various transformations that can proceed through chemical, electrochemical or photochemical pathways.
A facile synthesis of 1-aryl pyrroles by Clauson-Kaas reaction using oxone as a Catalyst under microwave irradiation
作者:K. Gullapelli、G. Brahmeshwari、M. Ravichander
DOI:10.4314/bcse.v33i1.14
日期:——
methodology to synthesize N-substituted pyrrole derivatives by Clauson Kaas reaction employing Oxone as catalyst was developed. The transformation was performed in acetonitrile undermicrowaveirradiation. This procedure has several advantages such as high yield, clean product formation, and short reaction time. KEY WORDS : Synthesis, Pyrrole, Oxone, Microwaveirradiation Bull. Chem. Soc. Ethiop. 2019 , 33(1)
1-Arylsulfonyl-3-(α-hydroxybenzyl)-1H-pyrroles, a novel class of anti-HIV-1 reverse transcriptase inhibitors
作者:Marino Artico、Roberto Di Santo、Roberta Costi、Silvio Massa、Franca Scintu、Anna Giulia Loi、Antonella De Montis、Paolo La Colla
DOI:10.1016/s0960-894x(97)00340-5
日期:1997.7
Various 1-arylsulfonyl-3-(alpha-hydroxybenzyl)-1H-pyrroles were prepared by Friedel-Crafts reaction of 1-aryisulfonyl-1H-pyrroles with aroylchlorides in the presence of aluminum trichloride, followed by reduction of the ketones to the required carbinols. Title compounds were identified as a novel class of nonnucleoside HIV-1 reverse transcriptase inhibitors characterized by the presence of a diarylcarbinol moiety, a chemical feature that strictly correlates with the anti-HTV-1 activity. (C) 1997 Elsevier Science Ltd.