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Showing 1 to 12 of 256 entries
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What's new in gynecology?.

Delaware medical journal

Domingo RL.
PMID: 6840365
Del Med J. 1983 Mar;55(3):181-2.

No abstract available.

Antinociceptive effect of aqueous extracts from the bark of Croton guatemalensis Lotsy in mice.

Research in pharmaceutical sciences

Del Carmen RO, Willam HM, Del Carmen GM, Nataly JG, Stefany CO, Anahi CA, Domingo PT, Leonardo GP, Miguel Pde L.
PMID: 27051428
Res Pharm Sci. 2016 Jan-Feb;11(1):15-22.

Croton guatemalensis Lotsy (CGL), known as "copalchi" in Chiapas, Mexico, is used for the treatment of fever, abdominal pain and malaria and also as a remedy for chills and for treating rheumatism. The aim of this study was to...

Berberine cation: A fluorescent chemosensor for alkanes and other low-polarity compounds. An explanation of this phenomenon.

Organic letters

Cossio FP, Arrieta A, Cebolla VL, Membrado L, Vela J, Garriga R, Domingo MP.
PMID: 10930271
Org Lett. 2000 Jul 27;2(15):2311-3. doi: 10.1021/ol006075p.

Alkanes in the presence of berberine sulfate provide an enhancement of fluorescent signal, which depends on alkane concentration and structure, when the system is irradiated with monochromatic UV light. Computational analysis suggests that an ion-induced dipole between alkanes and...

Origin of the synchronicity on the transition structures of polar Diels-Alder reactions. Are these reactions [4 + 2] processes?.

The Journal of organic chemistry

Domingo LR, José Aurell M, Pérez P, Contreras R.
PMID: 12737567
J Org Chem. 2003 May 16;68(10):3884-90. doi: 10.1021/jo020714n.

The transition structures (TSs) for a series of related Diels-Alder reactions between cyclopentadiene and mono-, di-, tri-, and tetracyanoethylene derivatives have been studied with use of DFT methods at the B3LYP/6-31G computational level. The increase of the electron-withdrawing substitution...

Diels-Alder reaction between indoles and cyclohexadienes photocatalyzed by pi,pi aromatic ketones.

Organic letters

Pérez-Prieto J, Stiriba SE, González-Béjar M, Domingo LR, Miranda MA.
PMID: 15496060
Org Lett. 2004 Oct 28;6(22):3905-8. doi: 10.1021/ol048520c.

[structure: see text] Diels-Alder reactions between indoles and cyclohexadienes can be photocatalyzed by benzoylthiophenes. Both experimental and theoretical studies show that the reactions occur through ternary excited triplet state complexes (triplet triplexes).

Understanding the participation of quadricyclane as nucleophile in polar [2sigma + 2sigma + 2pi] cycloadditions toward electrophilic pi molecules.

The Journal of organic chemistry

Domingo LR, Saéz JA, Zaragozá RJ, Arnó M.
PMID: 18942791
J Org Chem. 2008 Nov 21;73(22):8791-9. doi: 10.1021/jo801575g. Epub 2008 Oct 23.

The formal [2sigma + 2sigma + 2pi] cycloaddition of quadricyclane, 1, with dimethyl azodicarboxylate, 2, in water has been studied using DFT methods at the B3LYP/6-31G** and MPWB1K/6-31G** levels. In the gas phase, the reaction of 1 with 2...

Exploring two-state reaction pathways in the photodimerization of cyclohexadiene.

Chemphyschem : a European journal of chemical physics and physical chemistry

Domingo LR, Pérez-Prieto J.
PMID: 16463286
Chemphyschem. 2006 Mar 13;7(3):614-8. doi: 10.1002/cphc.200500431.

The ground- (S0) and lowest triplet-state (T1) pathways associated with dimerization of cyclohexadiene to give [2+2] and [4+2] cycloadducts have been theoretically studied at the UBLYP and UB3LYP levels of theory with the 6-31G* basis set. The DFT energies...

Polar [3 + 2] cycloaddition of ketones with electrophilically activated carbonyl ylides. Synthesis of spirocyclic dioxolane indolinones.

Organic & biomolecular chemistry

Bentabed-Ababsa G, Derdour A, Roisnel T, Sáez JA, Domingo LR, Mongin F.
PMID: 18698474
Org Biomol Chem. 2008 Sep 07;6(17):3144-57. doi: 10.1039/b804856h. Epub 2008 Jul 03.

The [3 + 2] cycloaddition reaction between carbonyl ylides generated from epoxides and ketones (ethyl pyruvate, ethyl phenylglyoxylate, isatin, N-methylisatin and 5-chloroisatin) to give substituted dioxolanes and spirocyclic dioxolane indolinones was investigated. The effect of microwave irradiation on the...

The nucleophilicity N index in organic chemistry.

Organic & biomolecular chemistry

Domingo LR, Pérez P.
PMID: 21842104
Org Biomol Chem. 2011 Oct 21;9(20):7168-75. doi: 10.1039/c1ob05856h. Epub 2011 Aug 15.

The nucleophilicity N index (J. Org. Chem. 2008, 73, 4615), the inverse of the electrophilicity, 1/ω, and the recently proposed inverse of the electrodonating power, 1/ω⁻, (J. Org. Chem. 2010, 75, 4957) have been checked toward (i) a series...

Amphetamine positive urine toxicology screen secondary to atomoxetine.

Case reports in psychiatry

Fenderson JL, Stratton AN, Domingo JS, Matthews GO, Tan CD.
PMID: 23424703
Case Rep Psychiatry. 2013;2013:381261. doi: 10.1155/2013/381261. Epub 2013 Jan 30.

The aim of this paper is to report the first case of atomoxetine leading to false-positive urine drug screen. An otherwise healthy 27-year-old female with a history of attention deficit hyperactivity disorder (ADHD) treated with atomoxetine had an acute...

Are one-step aromatic nucleophilic substitutions of non-activated benzenes concerted processes?.

Organic & biomolecular chemistry

Domingo LR, Ríos-Gutiérrez M, Chamorro E, Pérez P.
PMID: 31451810
Org Biomol Chem. 2019 Sep 21;17(35):8185-8193. doi: 10.1039/c9ob01589b. Epub 2019 Aug 27.

Aromatic nucleophilic substitution (S

Production of the Invasive Aspergillosis Biomarker Bis(methylthio)gliotoxin Within the Genus .

Frontiers in microbiology

Vidal-García M, Redrado S, Domingo MP, Marquina P, Colmenarejo C, Meis JF, Rezusta A, Pardo J, Galvez EM.
PMID: 29946309
Front Microbiol. 2018 Jun 12;9:1246. doi: 10.3389/fmicb.2018.01246. eCollection 2018.

Gliotoxin (GT) is a fungal secondary metabolite that has attracted great interest due to its high biological activity since it was discovered by the 1930s. An inactive derivative of this molecule, bis(methylthio)gliotoxin (bmGT), has been proposed as an invasive...

Showing 1 to 12 of 256 entries