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An efficient palladium-catalyzed oxidative C-C bond forming cascade reaction of allenes involving a coupling between an enallene and an allenyne followed by a carbocyclization of the generated Pd-intermediate was developed. This cascade reaction afforded functionalized cross-conjugated polyenes. The enallene is initially activated by palladium and reacts with the allenyne to give the cross-conjugated polyenes.
This article was published in the following journal.
Name: The Journal of organic chemistry
Disclosed herein is a Pd(ii)-catalyzed C(sp3)-H/P-H oxidative cross-coupling reaction between 8-methylquinolines with H-phosphonates or diarylphosphine oxides via chelation-assisted C(sp3)-H bond acti...
The first palladium-catalyzed Hiyama cross-coupling reactions of arylsilanes with 3-iodoazetidine were described. The protocol provides a convenient access to a variety of useful 3-arylazetidines whic...
A new strategy for the synthesis of conjugated (E,E)-dienones and (E,E)-dienals via a palladium-catalyzed aerobic γ,δ-dehydrogenation of enones and enals has been developed. The method can be employ...
We report here a direct and efficient strategy for the synthesis of highly conjugated dimeric pyrrolo-fused isoquinoline derivatives from readily available benzamides and maleimides. This reaction ove...
For the first time, the monoalkoxycarbonylation of easily available 1,3-diynes to give synthetically useful conjugated enynes has been realized. Key to success was the design and utilization of the ne...
Investigators propose to develop hyperpolarized [13C]-labeled pyruvate as potential imaging probes to assess two essential in vivo processes in cerebral metabolism: oxidative metabolism an...
Acute kidney injury is a common complication of severe Plasmodium knowlesi malaria, and an important contributor to mortality. The exact pathogenic mechanisms of AKI in knowlesi malaria a...
The Veterans Health Administration (VHA) has stated the need for a brief screening instrument that can assist with the triage of the enormous number of returning OEF/OIF veterans with conc...
The purpose of this research study is to evaluate the safety and effectiveness of this investigational drug for the treatment of menopausal symptoms while protecting the endometrium (uteri...
The primary purpose is to determine bioavailability of Bazedoxifene/conjugated estrogen formulations for future testing purposes.
Hydrocarbons with more than one double bond. They are a reduced form of POLYYNES.
Hydrocarbons with more than one triple bond; or an oxidized form of POLYENES. They can react with SULFUR to form THIOPHENES.
The reaction of two molecular entities via oxidation usually catalyzed by a transition metal compound and involving dioxygen as the oxidant.
The fusion of ceramics (porcelain) to an alloy of two or more metals for use in restorative and prosthodontic dentistry. Examples of metal alloys employed include cobalt-chromium, gold-palladium, gold-platinum-palladium, and nickel-based alloys.
Four PYRROLES joined by one-carbon units linking position 2 of one to position 5 of the next. The conjugated bond system results in PIGMENTATION.