Zobrazeno 1 - 10
of 789
pro vyhledávání: '"Stevens, A"'
Publikováno v:
ChemInform. 47
The formation of the title compounds is carried out in a two-chambered system: first, an alkyl radical is generated which subsequently is subjected to aminocarbonylation, where CO is released from molybdenum hexacarbonyl.
Autor:
Elisabeth Delbeke, Marine Movsisyan, Claudio Battilocchio, Jan Berton, Christian V. Stevens, Steven V. Ley
Publikováno v:
ChemInform. 47
Over the last two decades, flow technologies have become increasingly popular in the field of organic chemistry, offering solutions for engineering and/or chemical problems. Flow reactors enhance the mass and heat transfer, resulting in rapid reactio
Publikováno v:
ChemInform. 47
An efficient synthesis of sulfonyl carbamates and sulfonyl ureas from sulfonyl azides employing a palladium-catalyzed carbonylation protocol has been developed. Using a two-chamber system, sulfonyl azides, PdCl2, and CO gas, released ex situ from Mo(
Publikováno v:
ChemInform. 47
Starting from N-phthalimide protected phosphonylated propargylamine and various alcohols a mild and efficient one-pot approach to β-substituted aminophosphonates via 3-imidoallenylphosphonates is elaborated.
Publikováno v:
ChemInform. 47
A metal-free approach to cyclic β-amino ketones is achieved by means of microwave-promoted sequential Mannich reaction between o-formyl carbamates, amines, and ketones.
Publikováno v:
ChemInform. 47
This review summarizes recent literature (2000–2015) on the synthesis and pharmaceutical properties of pyrrolopyrimidines. These modified pyrimidine bases, fused to a pyrrole ring, and their corresponding nucleosides display a broad applicability i
Publikováno v:
ChemInform. 47
The significance of renewable resources within the chemical industry is constantly increasing. In the pursuit of sustainability, they serve as alternatives for fossil resources whose supply is limited and who have a major impact on the environment. D
Autor:
Brian L. Pagenkopf, Daryl S. R. Dekruyf, Cory Palmer, Geoffrey A. Phillips, Andrew C. Stevens, Mathew L. Piotrowski
Publikováno v:
ChemInform. 47
The synthesis of 2,5,5-trisubstituted tetrahydrofuran rings was accomplished via the Mukaiyama aerobic oxidative cyclization of tertiary 5-pentenols employing the Co(nmp) 2 catalyst. A variety of THFs were formed in moderate to good yield and diaster
Publikováno v:
ChemInform. 47
The synthesis of a number of 6-arylisocytosines, including linked bis-isocytosines, from the reaction of guanidine with β-ketoesters is described. The compounds were investigated for their ability to form hydrogen-bonded structural networks, and for
Publikováno v:
ChemInform. 46
This review covers the formation of N- and S-containing heterocycles, initiated by gold-catalyzed nucleophilic attack of N- or S-nucleophiles onto alkynes. These types of nucleophiles have been somewhat overlooked as compared to their C- or O-counter