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Showing 1 to 12 of 136 entries
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Biomarkers of cancer angioprevention for clinical studies.

Ecancermedicalscience

Albini A, Bertolini F, Bassani B, Bruno A, Gallo C, Caraffi SG, Maramotti S, Noonan DM.
PMID: 26635904
Ecancermedicalscience. 2015 Nov 24;9:600. doi: 10.3332/ecancer.2015.600. eCollection 2015.

With the great advances made in the treatment and prevention of infectious diseases over the last century, chronic degenerative diseases-cardiovascular, cerebrovascular, and cancer-represent the major causes of death in the developed world. Although massive efforts and investments have been...

On the Route to the Photogeneration of Heteroaryl Cations. The Case of Halothiophenes.

The Journal of organic chemistry

Raviola C, Chiesa F, Protti S, Albini A, Fagnoni M.
PMID: 27383725
J Org Chem. 2016 Aug 05;81(15):6336-42. doi: 10.1021/acs.joc.6b00978. Epub 2016 Jul 20.

2-Chloro-, 2-bromo-, and 2-iodothiophenes undergo photochemical dehalogenation via the triplet state. In the presence of suitable π-bond nucleophiles, thienylation occurs with modest yield from chloro and bromo derivatives (via photogenerated triplet 2-thienyl cation). Specific trapping by using oxygen along...

Cationic arylation through photo(sensitised) decomposition of diazonium salts. Chemoselectivity of triplet phenyl cations.

Chemical communications (Cambridge, England)

Milanesi S, Fagnoni M, Albini A.
PMID: 12585398
Chem Commun (Camb). 2003 Jan 21;(2):216-7. doi: 10.1039/b210243a.

The photodediazoniation of some 4-X-phenyldiazonium tetrafluoborates in MeCN leads to the singlet phenyl cations (X = H, tert-butyl, NMe2, CN), which add to the solvent yielding the corresponding acetanilides. Triplet sensitisation, however, leads to the triplet phenyl cation, which...

(Sensitized) photolysis of diazonium salts as a mild general method for the generation of aryl cations. Chemoselectivity of the singlet and triplet 4-substituted phenyl cations.

The Journal of organic chemistry

Milanesi S, Fagnoni M, Albini A.
PMID: 15651808
J Org Chem. 2005 Jan 21;70(2):603-10. doi: 10.1021/jo048413w.

The photolysis of a series of 4-X-benzenediazonium tetrafluoroborates is studied in MeCN. Loss of nitrogen occurs from the singlet excited state with X=H, t-Bu, and NMe2 and leads to the singlet aryl cation. This adds to the solvent yielding...

Role of conformation and electronic structure in the chemistry of ground and excited state o-pyrazolylphenylnitrenes.

Journal of the American Chemical Society

Carra C, Bally T, Albini A.
PMID: 15826193
J Am Chem Soc. 2005 Apr 20;127(15):5552-62. doi: 10.1021/ja043988w.

The chemistry of 2-(1-pyrazolyl)- (2a) and 2-[1-(3,5-dimethylpyrazolyl]phenylnitrene (2b) has been studied in EtOH solution at room temperature, in EtOH glasses at 90 K, and in Ar matrices at 12 K. These nitrenes were chosen as suitable models for clarifying...

Photo-cross-coupling reaction of electron-rich aryl chlorides and aryl esters with alkynes: a metal-free alkynylation.

Angewandte Chemie (International ed. in English)

Protti S, Fagnoni M, Albini A.
PMID: 16086352
Angew Chem Int Ed Engl. 2005 Sep 05;44(35):5675-8. doi: 10.1002/anie.200501541.

No abstract available.

[Second-line intravesical gemcitabine in high risk superficial bladder cancer: our experience].

Urologia

Aloisi AM, Beltrami P, Ruggera L, Cerruto MA, Zattoni F.
PMID: 21086289
Urologia. 2009 Jul-Sep;76(3):178-84.

No abstract available.

[Sexual rehabilitation with intracavernous PGE1 injections and oral drug administration in diabetic patients non-responder to oral therapy alone].

Urologia

Passavanti G, Vizzuti V, Pizzuti V, Carlucci M, Aloisi AM, Costantini FM, Bragaglia A, Paolini R.
PMID: 21086406
Urologia. 2007 Apr-Jun;74(2):95-8. doi: 10.5301/ru.2010.5868.

Diabetes is an important risk factor in erectile dysfunction (ED), acting via several mechanisms. We assessed the efficacy of intracavernous injections (ICI) rehabilitation and oral systematic therapy in diabetic patients, as well as the response of controls to oral...

Photocatalysis. A multi-faceted concept for green chemistry.

Chemical Society reviews

Ravelli D, Dondi D, Fagnoni M, Albini A.
PMID: 19551179
Chem Soc Rev. 2009 Jul;38(7):1999-2011. doi: 10.1039/b714786b. Epub 2009 Apr 21.

Photocatalysis (by semiconductors, molecules and ions) is used in such diverse applications as water hydrolysis for producing hydrogen as fuel, organic synthesis and the recovery of polluted effluents. This tutorial review discusses the common principles of such applications and...

Photoinduced three-component reaction: a convenient access to 3-arylacetals or 3-arylketals.

Organic letters

Lazzaroni S, Protti S, Fagnoni M, Albini A.
PMID: 19072131
Org Lett. 2009 Jan 15;11(2):349-52. doi: 10.1021/ol802560t.

A mild and versatile method for the photoinduced three-component synthesis of 3-arylacetals and ketals is presented. Desired targets are smoothly obtained by irradiating aromatic halides or esters in alcohols, in the presence of vinyl ethers.

Intramolecular electron transfer in the photochemistry of some nitrophenyldihydropyridines.

The Journal of organic chemistry

Fasani E, Fagnoni M, Dondi D, Albini A.
PMID: 16496991
J Org Chem. 2006 Mar 03;71(5):2037-45. doi: 10.1021/jo052463z.

4-Phenyl-1,4-dihydropyridine-3,5-dicarboxylates contain two pi chromophores separated by an sp3 carbon. The lowest singlet is localized on the dihydropyridine moiety (1PyH2-Ph) and emits a blue fluorescence (with close to unitary efficiency in glass at 77 K). In 3-nitrophenyl derivatives (PyH2-PhNO2,...

Regio- and stereoselectivity in the decatungstate photocatalyzed alkylation of alkenes by alkylcyclohexanes.

Chemistry (Weinheim an der Bergstrasse, Germany)

Dondi D, Ravelli D, Fagnoni M, Mella M, Molinari A, Maldotti A, Albini A.
PMID: 19609992
Chemistry. 2009 Aug 10;15(32):7949-57. doi: 10.1002/chem.200900810.

Tetrabutylammonium decatungstate (WO) photocatalyzes radical alkylation reactions starting directly from alkanes. When using tert-butylcyclohexane and methylcyclohexane as the radical precursors, the addition to electrophilic alkenes (beta,beta-dialkylmethylenemalononitriles, acrylonitrile, methyl acrylate, methyl vinyl ketone) is regioselective and exclusively gives 3- and...

Showing 1 to 12 of 136 entries