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Items: 1 to 20 of 108

1.

Ultrasound-assisted phase-transfer catalysis method in an aqueous medium to promote the Knoevenagel reaction: advantages over the conventional and microwave-assisted solvent-free/catalyst-free method.

De-la-Torre P, Osorio E, Alzate-Morales JH, Caballero J, Trilleras J, Astudillo-Saavedra L, Brito I, Cárdenas A, Quiroga J, Gutiérrez M.

Ultrason Sonochem. 2014 Sep;21(5):1666-74. doi: 10.1016/j.ultsonch.2014.02.021. Epub 2014 Mar 1.

PMID:
24650611
2.

Microwave-assisted and efficient solvent-free knoevenagel condensation. A sustainable protocol using porous calcium hydroxyapatite as catalyst.

Mallouk S, Bougrin K, Laghzizil A, Benhida R.

Molecules. 2010 Feb 4;15(2):813-23. doi: 10.3390/molecules15020813.

3.

Microwave-Assisted Condensation Reactions of Acetophenone Derivatives and Activated Methylene Compounds with Aldehydes Catalyzed by Boric Acid under Solvent-Free Conditions.

Brun E, Safer A, Carreaux F, Bourahla K, L'helgoua'ch JM, Bazureau JP, Villalgordo JM.

Molecules. 2015 Jun 23;20(6):11617-31. doi: 10.3390/molecules200611617.

4.

Microwave enabled umpulong mechanism based rapid and efficient four- and six-component domino formations of 2-(2'-azaaryl)imidazoles and anti-1,2-diarylethylbenzamides.

Jiang B, Wang X, Shi F, Tu SJ, Ai T, Ballew A, Li G.

J Org Chem. 2009 Dec 18;74(24):9486-9. doi: 10.1021/jo902204s.

PMID:
19938854
5.

Oxidative degradation of chlorophenol derivatives promoted by microwaves or power ultrasound: a mechanism investigation.

Cravotto G, Binello A, Di Carlo S, Orio L, Wu ZL, Ondruschka B.

Environ Sci Pollut Res Int. 2010 Mar;17(3):674-87. doi: 10.1007/s11356-009-0253-y. Epub 2009 Oct 9.

PMID:
19816729
6.

Montmorillonite clay-promoted, solvent-free cross-aldol condensations under focused microwave irradiation.

Rocchi D, González JF, Menéndez JC.

Molecules. 2014 Jun 4;19(6):7317-26. doi: 10.3390/molecules19067317.

7.

One-pot three-component Mannich-type reactions using sulfamic acid catalyst under ultrasound irradiation.

Zeng H, Li H, Shao H.

Ultrason Sonochem. 2009 Aug;16(6):758-62. doi: 10.1016/j.ultsonch.2009.03.008. Epub 2009 Mar 27.

PMID:
19394889
8.

Reactions of 3-isochromanone with aromatic aldehydes--microwave assisted condensations performed on solid basic inorganic supports.

Vass A, Földesi A, Lóránd T.

J Biochem Biophys Methods. 2006 Nov 30;69(1-2):179-87. Epub 2006 Mar 27.

PMID:
16678272
9.

Ultrasound-assisted phase-transfer catalysis: benzoylation of sodium 4-acetylphenoxide by dual-site phase-transfer catalyst in a tri-liquid system.

Yang HM, Chiu CC.

Ultrason Sonochem. 2011 Jan;18(1):363-9. doi: 10.1016/j.ultsonch.2010.06.017. Epub 2010 Jul 7.

PMID:
20667759
10.
11.

Solvent free, microwave assisted conversion of aldehydes into nitriles and oximes in the presence of NH2OH x HCl and TiO2.

Hoelz LV, Gonçalves BT, Barros JC, da Silva JF.

Molecules. 2009 Dec 29;15(1):94-9. doi: 10.3390/molecules15010094.

12.
13.

Preparation of second generation ionic liquids by efficient solvent-free alkylation of N-heterocycles with chloroalkanes.

Cravotto G, Gaudino EC, Boffa L, Lévêque JM, Estager J, Bonrath W.

Molecules. 2008 Jan 25;13(1):149-56.

14.

Microwave-assisted solvent-free acetylation of cellulose with acetic anhydride in the presence of iodine as a catalyst.

Li J, Zhang LP, Peng F, Bian J, Yuan TQ, Xu F, Sun RC.

Molecules. 2009 Sep 11;14(9):3551-66. doi: 10.3390/molecules14093551.

15.
16.

Microwave-enhanced sulphated zirconia and SZ/MCM-41 catalyzed regioselective synthesis of beta-amino alcohols under solvent-free conditions.

Negrón-Silva G, Hernández-Reyes CX, Angeles-Beltrán D, Lomas-Romero L, González-Zamora E.

Molecules. 2008 Apr 26;13(4):977-85.

17.

Highly efficient cyanoimidation of aldehydes.

Yin P, Ma WB, Chen Y, Huang WC, Deng Y, He L.

Org Lett. 2009 Dec 3;11(23):5482-5. doi: 10.1021/ol902207h.

PMID:
19943701
18.

Ultrasound and microwave assisted synthesis of isoindolo-1,2-diazine: a comparative study.

Bejan V, Mantu D, Mangalagiu II.

Ultrason Sonochem. 2012 Sep;19(5):999-1002. doi: 10.1016/j.ultsonch.2012.02.012. Epub 2012 Mar 12.

PMID:
22464108
19.

Ultrasound and microwave assisted synthesis of dihydroxyacetophenone derivatives with or without 1,2-diazine skeleton.

Zbancioc G, Zbancioc AM, Mangalagiu II.

Ultrason Sonochem. 2014 Mar;21(2):802-11. doi: 10.1016/j.ultsonch.2013.09.012. Epub 2013 Oct 2.

PMID:
24139876
20.

Importance of weak interactions in developing 1,3-bis(4,6-dimethyl-1H-nicotinonitrile-1-yl)1,3-dioxy propane polymorphs.

Tewari AK, Singh VP, Dubey R, Puerta C, Valerga P, Verma R.

Spectrochim Acta A Mol Biomol Spectrosc. 2011 Sep;79(5):1267-75. doi: 10.1016/j.saa.2011.04.053. Epub 2011 May 19.

PMID:
21664173
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