Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Rapolu Kiran Kumar"'
Publikováno v:
Tetrahedron Letters. 57:5730-5741
The combined chemistry of silver and isocyanides is unique in performance, proved with the number of recent achievements. With the aim of triggering further research in this field, this review assembles and comprehensively summarizes the silver-based
Publikováno v:
Organic Letters. 18:4998-5001
Alcohols are among the most abundant and commonly used organic feedstock in industrial processes and academic research. The first tandem O-H insertion/[1,3]-alkyl shift reaction reported is between benzylic alcohols and rhodium azavinyl carbenoids de
Publikováno v:
Chemistry - An Asian Journal. 11:2841-2845
Imidazole ring is an important five-membered aromatic heterocycle that is widely present in natural products and synthetic molecules. The isocyanide-isocyanide [3+2] cross-cycloaddition reaction constitutes a straightforward method to access imidazol
Publikováno v:
Chemical Communications. 52:5936-5939
We report chemo- and regioselective direct reductive deoxygenation of 1-en-4-yn-3-ols into 1,4-enynes through FeF3 and TfOH cooperative catalysis under NBSH-mediated conditions. Further, we show the efficient synthesis of a pharmaceutically significa
Autor:
Xihe Bi, Rapolu Kiran Kumar
Publikováno v:
Chemical Communications. 52:853-868
The majority reactions of alkynes in the literature are reported to proceed via either structural σ-activation or catalytic π-activation of C≡C bonds. We skillfully designed novel methods for the catalytic σ-activation of C≡C bonds of alkynyl
Publikováno v:
Organic Letters. 17:6190-6193
The room-temperature nucleophilic addition of vinyl azides to propargylic alcohols under BF3·Et2O catalysis provides an efficient synthesis of 4-ynamides. The procedure is operationally convenient, shows broad substrate scope, and is viable for the
Publikováno v:
Synthesis. 47:2317-2346
Propargylic alcohols, which possess inherent alkynyl and hydroxyl functional groups, are one of the most valuable bifunctional building blocks in the field of organic synthesis. The simple generation and conversion of these compounds into various val
Publikováno v:
ChemInform. 47
We report chemo- and regioselective direct reductive deoxygenation of 1-en-4-yn-3-ols into 1,4-enynes through FeF3 and TfOH cooperative catalysis under NBSH-mediated conditions. Further, we show the efficient synthesis of a pharmaceutically significa
Publikováno v:
ChemInform. 47
The nucleophilic addition of vinyl azide (II) to propargylic alcohols (I) is accompanied by a Schmidt rearrangement to afford 4-ynamides, which are converted into dihydrofuranones by an intramolecular Vilsmeier cyclization.
Autor:
Xihe Bi, Rapolu Kiran Kumar
Publikováno v:
ChemInform. 47
The majority reactions of alkynes in the literature are reported to proceed via either structural σ-activation or catalytic π-activation of CC bonds. We skillfully designed novel methods for the catalytic σ-activation of CC bonds of alkynyl compou