Articles with "rapid access" as a keyword



Rapid Access to Emergency Medical Services Within Historically Redlined Areas

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Published in 2025 at "JAMA Network Open"

DOI: 10.1001/jamanetworkopen.2025.25681

Abstract: Key Points Question Are historically redlined areas less likely to have rapid access to emergency medical services (EMS) care? Findings This cross-sectional study analyzed the geographic distribution of EMS centers across 236 US cities, identifying… read more here.

Keywords: redlined areas; historically redlined; emergency medical; access emergency ... See more keywords
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Rapid Access to Bi‐ and Tri‐Functionalized Dibenzofurans and their Application in Selective Suzuki–Miyaura Cross Coupling Reactions

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Published in 2018 at "European Journal of Organic Chemistry"

DOI: 10.1002/ejoc.201801286

Abstract: Syntheses of 1,2-, 1,3-, 1,4-, 1,8-, 2,4-, 3,4-, 4,8-, 1,2,4-, 1,2,8- and 1,3,4-functionalized dibenzofurans in few steps with good to excellent yields starting from dibenzofuran-1-ol or -4-ol are presented. These rapidly accessible bi- or tri-functionalized… read more here.

Keywords: suzuki miyaura; functionalized dibenzofurans; tri functionalized; rapid access ... See more keywords

Clinical outcomes of patients discharged from the Rapid Access Chest Pain Clinic with non-anginal chest pain: A retrospective cohort study.

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Published in 2019 at "International journal of cardiology"

DOI: 10.1016/j.ijcard.2019.12.008

Abstract: BACKGROUND The Rapid Access Chest Pain Clinic (RACPC) has become an important means of assessing patients who present with ischaemic or ischaemia-like symptoms of recent onset. Observations have shown that up to 70% are discharged… read more here.

Keywords: cardiology; chest; chest pain; rapid access ... See more keywords

RAPID ACCESS ARRHYTHMIA CLINICS VERSUS USUAL CARE: IMPROVING EFFICIENCY, SAFETY, AND COST EFFECTIVENESS OF ARRHYTHMIA MANAGEMENT

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Published in 2020 at "Journal of the American College of Cardiology"

DOI: 10.1016/s0735-1097(20)30929-3

Abstract: Rapid Access Arrhythmia Clinics (RAACs) have been proposed as a method to rapidly assess arrhythmias in the community and potentially reduce hospital burden. We describe a RAAC model of care, compare safety endpoints to usual… read more here.

Keywords: arrhythmia; access arrhythmia; rapid access; arrhythmia clinics ... See more keywords

Rapid Access to Kinase Inhibitor Pharmacophores by Regioselective C-H Arylation of Thieno[2,3-d]pyrimidine.

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Published in 2020 at "Organic letters"

DOI: 10.1021/acs.orglett.0c00143

Abstract: Regioselective C-H arylations of thieno[2,3-d]pyrimidine are accomplished under palladium catalysis. Thieno[2,3-d]pyrimidines react with aryl iodides at the C6-position and with aryl boronic acids at the C5-position, showing excellent regioselectivity. Mechanistic investigations indicate that the regioselectivity… read more here.

Keywords: rapid access; kinase; pyrimidine; arylation ... See more keywords

Defluoroalkylation of Trifluoromethylarenes with Hydrazones: Rapid Access to Benzylic Difluoroarylethylamines

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Published in 2023 at "Organic Letters"

DOI: 10.1021/acs.orglett.3c00126

Abstract: Here, we report an efficient and modular approach toward the formation of difluorinated arylethylamines from simple aldehyde-derived N,N-dialkylhydrazones and trifluoromethylarenes (CF3-arenes). This method relies on selective C–F bond cleavage via reduction of the CF3-arene. We… read more here.

Keywords: defluoroalkylation trifluoromethylarenes; hydrazones rapid; trifluoromethylarenes hydrazones; rapid access ... See more keywords

Rapid Access to Densely Functionalized Cyclopentenyl Sulfoximines through a Sc-Catalyzed Aza-Piancatelli Reaction.

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Published in 2024 at "Organic letters"

DOI: 10.1021/acs.orglett.3c04095

Abstract: Sulfoximines make up a class of compounds of growing interest for crop science and medicinal chemistry, but methods for directly incorporating them into complex molecular scaffolds are lacking. Here we report a scandium-catalyzed variant of… read more here.

Keywords: reaction; aza piancatelli; rapid access; densely functionalized ... See more keywords

Rapid access to cyclopentadiene derivatives through gold-catalyzed cycloisomerization of ynamides with cyclopropenes by preferential activation of alkenes over alkynes.

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Published in 2017 at "Chemical communications"

DOI: 10.1039/c7cc01368j

Abstract: In this communication, gold-catalyzed intermolecular cycloisomerization of cyclopropenes and ynamides is investigated. The current transformation displayed an activation priority of double bonds over triple bonds by the cationic gold catalyst, giving the corresponding cyclopentadienes in… read more here.

Keywords: rapid access; cycloisomerization; cyclopentadiene derivatives; activation ... See more keywords

Rapid access to sulfate-encapsulated symmetrical and asymmetrical capsules based on silver–pyrazole complex cations

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Published in 2019 at "New Journal of Chemistry"

DOI: 10.1039/c9nj02105a

Abstract: A new class of sulfate-encapsulated symmetrical and asymmetrical capsules is developed through ion-pair complexation. read more here.

Keywords: rapid access; asymmetrical capsules; encapsulated symmetrical; symmetrical asymmetrical ... See more keywords

Rapid access to 9-arylfluorene and spirobifluorene through Pd-catalysed C-H arylation/deaminative annulation.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc01355j

Abstract: We describe here a facile synthesis of 9-arylfluorenes and spirobifluorenes from readily available 1,1-diarylmethylamines and iodoarenes through Pd-cataylsed C(sp2)-H arylation and a sequential deaminative annulation. The reaction features high efficiency and simplicity of operation, constituting… read more here.

Keywords: rapid access; deaminative annulation; access arylfluorene; arylation ... See more keywords

Rapid access to organic triflates based on flash generation of unstable sulfonium triflates in flow.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc02344j

Abstract: Flash (extremely fast) electrochemical generation of unstable arylbis(arylthio)sulfonium triflates [ArS(ArSSAr)]+ [OTf]- that are unsuitable for accumulation in batch processes was achieved within 10 s in a divided-type flow electrochemcial reactor, enabling one-flow access to vinyl… read more here.

Keywords: generation unstable; sulfonium triflates; rapid access;