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Showing 709 to 720 of 720 entries
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A palladium-catalyzed ring-expansion reaction of cyclobutanols with 2-haloanilines leading to benzazepines and quinolines.

Chemical communications (Cambridge, England)

Shen XQ, Yan XW, Zhang XG.
PMID: 34528044
Chem Commun (Camb). 2021 Oct 05;57(79):10234-10237. doi: 10.1039/d1cc04395a.

A general synthesis of 2-aryl benzazepines has been developed through palladium-catalyzed ring-expansion reactions of cyclobutanols with 2-haloanilines; the further oxidative rearrangement reaction of benzazepines provided an efficient synthesis of 2-acyl quinolines. These transformations feature the efficient construction of six-...

Surgeon's Sex Affects the Number and Types of Referrals Received-We Know the System Is Broken…Now Let's Fix It.

JAMA surgery

Quinones PM, Greenberg CC, Hilton LR.
PMID: 34757394
JAMA Surg. 2021 Nov 10; doi: 10.1001/jamasurg.2021.5765. Epub 2021 Nov 10.

No abstract available.

Design, synthesis, and characterization of novel aminoalcohol quinolines with strong in vitro antimalarial activity.

European journal of medicinal chemistry

Dassonville-Klimpt A, Schneider J, Damiani C, Tisnerat C, Cohen A, Azas N, Marchivie M, Guillon J, Mullié C, Agnamey P, Totet A, Dormoi J, Taudon N, Pradines B, Sonnet P.
PMID: 34782182
Eur J Med Chem. 2022 Jan 15;228:113981. doi: 10.1016/j.ejmech.2021.113981. Epub 2021 Nov 10.

Malaria is the fifth most lethal parasitic infections in the world. Herein, five new series of aminoalcohol quinolines including fifty-two compounds were designed, synthesized and evaluated in vitro against Pf3D7 and PfW2 strains. Among them, fourteen displayed IC

Cancer Mortality Rates Increasing vs Cardiovascular Disease Mortality Decreasing in the World: Future Implications.

Mayo Clinic proceedings. Innovations, quality & outcomes

ReFaey K, Tripathi S, Grewal SS, Bhargav AG, Quinones DJ, Chaichana KL, Antwi SO, Cooper LT, Meyer FB, Dronca RS, Diasio RB, Quinones-Hinojosa A.
PMID: 34195556
Mayo Clin Proc Innov Qual Outcomes. 2021 Jun 08;5(3):645-653. doi: 10.1016/j.mayocpiqo.2021.05.005. eCollection 2021 Jun.

OBJECTIVE: To highlight the current global trends in mortality for cardiovascular disease and cancer.METHODS: The World Health Organization and the World Bank DataBank databases were used to analyze mortality rates for cancer and cardiovascular disease by calculating age-standardized mortality...

Frontiers in chemistry

Yañez O, Osorio MI, Uriarte E, Areche C, Tiznado W, Pérez-Donoso JM, García-Beltrán O, González-Nilo F.
PMID: 33614592
Front Chem. 2021 Feb 08;8:595097. doi: 10.3389/fchem.2020.595097. eCollection 2020.

The pandemic that started in Wuhan (China) in 2019 has caused a large number of deaths, and infected people around the world due to the absence of effective therapy against coronavirus 2 of the severe acute respiratory syndrome (SARS-CoV-2)....

In Vivo Antitumor, Pharmacological and Toxicological Study of Pyrimido[ 4',5':4,5] thieno(2,3-b)quinoline with 9-hydroxy-4-(3-diethylaminopropylamino) and 8-methoxy-4-(3-diethylaminopropylamino) Substitutions.

Anti-cancer agents in medicinal chemistry

Kiran Kumar HN, Rohit Kumar HG, Khandagale AS, Advirao GM.
PMID: 33563160
Anticancer Agents Med Chem. 2021;21(17):2419-2428. doi: 10.2174/1871520621666210208175609.

BACKGROUND: We previously synthesized two DNA intercalative Pyrimido[4',5':4,5]thieno(2,3-b) quinolines (PTQ), 9-hydroxy-4-(3-diethylaminopropylamino)pyrimido[4',5':4,5]thieno(2,3-b) quinolines (Hydroxy- DPTQ) and 8-methoxy-4-(3-diethylaminopropylamino) pyrimido[4',5':4,5]thieno(2,3-b) quinolines (Methoxy-DPTQ), and reported their cytotoxicity against cancer cell lines.METHODS: In the present study, we sought to analyze the antitumor activity of...

Long segment spinal reconstruction of C3-T1 utilizing single strut fibula free flap following debridement and corpectomy for chronic osteomyelitis.

American journal of otolaryngology

Smith C, Pak K, Ward S, Quinones DJ, Kadakia SP.
PMID: 34894445
Am J Otolaryngol. 2021 Dec 03;43(2):103310. doi: 10.1016/j.amjoto.2021.103310. Epub 2021 Dec 03.

Cervical vertebral osteomyelitis (CVO) is a complex destructive pathology that presents as a significant challenge to reconstructive surgeons. Advanced cases of CVO involving neurologic deficits, spinal column instability, or refractory infection require surgical intervention with bony debridement and decompression...

Phenanthrenequinone-Sensitized Photocatalytic Synthesis of Polysubstituted Quinolines from 2-Vinylarylimines.

Organic letters

Talvitie J, Alanko I, Bulatov E, Koivula J, Pöllänen T, Helaja J.
PMID: 34928166
Org Lett. 2022 Jan 14;24(1):274-278. doi: 10.1021/acs.orglett.1c03934. Epub 2021 Dec 20.

Visible-light-excited 9,10-phenanthrenequinone (PQ*) was used as a photocatalyst for the synthesis of polysubstituted quinolines via the electrocyclization of 2-vinylarylimines. Up to quantitative yields of 2,4-disubstituted quinolines were received after 1 h of excitation with blue LEDs at room temperature...

Chemoselective Trimerization of Isocyanides: De Novo Synthesis of 2-Indole-Substituted Quinolines and Pyridines.

Organic letters

Bao L, Liu Y, Peng J, Wang Y, Dong J, Xu X.
PMID: 34889616
Org Lett. 2022 Jan 14;24(1):105-109. doi: 10.1021/acs.orglett.1c03693. Epub 2021 Dec 10.

A catalyst-free chemoselective trimerization reaction of readily available isocyanides is described. This domino reaction provides facile access to a wide range of 2-(indol-2-yl)-quinolines and 2-(indol-2-yl)-pyridines in moderate to excellent yields. A "head to head" heterodimerization of two isocyanides is...

Deoxygenative C2-heteroarylation of quinoline .

Beilstein journal of organic chemistry

Sontakke GS, Shukla RK, Volla CMR.
PMID: 33727971
Beilstein J Org Chem. 2021 Feb 17;17:485-493. doi: 10.3762/bjoc.17.42. eCollection 2021.

A metal- and additive-free, highly efficient, step-economical deoxygenative C2-heteroarylation of quinolines and isoquinolines was achieved from readily available

Superacid-promoted synthesis of quinoline derivatives.

Tetrahedron letters

Vuong H, Stentzel MR, Klumpp DA.
PMID: 33299258
Tetrahedron Lett. 2020 Mar 19;61(12). doi: 10.1016/j.tetlet.2020.151630. Epub 2020 Jan 14.

A series of vinylogous imines have been prepared from anilines and cinnamaldehydes. These substrates react in superacidic media to provide quinolines and related compounds. A mechanism for the conversion is proposed which involves the cyclization of dicationic superelectrophilic intermediates....

Regioselective Functionalization of Quinolines through C-H Activation: A Comprehensive Review.

Molecules (Basel, Switzerland)

Corio A, Gravier-Pelletier C, Busca P.
PMID: 34576936
Molecules. 2021 Sep 08;26(18). doi: 10.3390/molecules26185467.

Quinoline is a versatile heterocycle that is part of numerous natural products and countless drugs. During the last decades, this scaffold also became widely used as ligand in organometallic catalysis. Therefore, access to functionalized quinolines is of great importance...

Showing 709 to 720 of 720 entries