Rhodium-Catalyzed C-O Bond Alkynylation of Aryl Carbamates with Propargyl Alcohols.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b00674
Abstract: The rhodium-catalyzed alkynylation of aryl carbamates with propargyl alcohols is described. This methodology can provide aryl acetylenes from aryl carbamates via C-O bond activation. The use of propargyl alcohols as alkynylating agents allows the use… read more here.
Keywords: propargyl alcohols; rhodium catalyzed; carbamates propargyl; alkynylation aryl ... See more keywords
Photoredox-catalyzed coupling of aryl sulfonium salts with CO2 and amines to access O-aryl carbamates.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical communications"
DOI: 10.1039/d2cc06033g
Abstract: An efficient photoredox-catalyzed three-component coupling reaction of aryl sulfonium salts, carbon dioxide and amines has been developed for the first time. This reaction provides a new strategy for the synthesis of a range of valuable… read more here.
Keywords: aryl; aryl carbamates; aryl sulfonium; photoredox catalyzed ... See more keywords
Transition Metal-Free Synthesis of Halobenzo[b]furans from O-Aryl Carbamates via o-Lithiation Reactions
Sign Up to like & getrecommendations! Published in 2022 at "Molecules"
DOI: 10.3390/molecules27020525
Abstract: A straightforward and transition metal-free one-pot protocol to synthesize halobenzo[b]furans has been developed employing simple and easily available starting materials such as O-aryl carbamates and alkynylsulfones. The fine-tuning of the different steps involved was key… read more here.
Keywords: halobenzo furans; metal free; halobenzo; lithiation ... See more keywords
Anti-Proliferative and Cytoprotective Activity of Aryl Carbamate and Aryl Urea Derivatives with Alkyl Groups and Chlorine as Substituents
Sign Up to like & getrecommendations! Published in 2022 at "Molecules"
DOI: 10.3390/molecules27113616
Abstract: Natural cytokinines are a promising group of cytoprotective and anti-tumor agents. In this research, we synthesized a set of aryl carbamate, pyridyl urea, and aryl urea cytokinine analogs with alkyl and chlorine substitutions and tested… read more here.
Keywords: aryl; aryl carbamates; activity; aryl urea ... See more keywords