%0 Journal Article %1 ISI:000272919800031 %A Bazgir, Ayoob %A Ahadi, Somayeh %A Ghahremanzadeh, Ramin %A Khavasi, Hamid Reza %A Mirzaei, Peiman %C PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS %D 2010 %I ELSEVIER SCIENCE BV %J ULTRASONICS SONOCHEMISTRY %K Isatin; Pyrazole; Spirooxindole; Ultrasound Water; irradiation} {Cumarin; %N 2 %P 447-452 %R 10.1016/j.ultsonch.2009.09.009 %T Ultrasound-assisted one-pot, three-component synthesis of spiroindoline-3,4 `-pyrazolo3,4-bpyridine-2,6 `(1 ` H)-diones in water %V 17 %X A simple, facile, efficient and three-component procedure for the synthesis of spiroindoline-3,4'-pyrazolo3,4-bpyridine-2,6'(1'H)-diones by the reaction of 4-hydroxycumarin, isatins and 1H-pyrazol-5-amines in water under ultrasonic irradiation is reported. The advantages of this method are the use of an inexpensive and readily available catalyst, easy work-up, good yields, and the use of water as a solvent that is considered to be relatively environmentally benign. (C) 2009 Elsevier B.V. All rights reserved.

@article{ISI:000272919800031, abstract = {{A simple, facile, efficient and three-component procedure for the synthesis of spiro{[}indoline-3,4'-pyrazolo{[}3,4-b]pyridine]-2,6'(1'H)-diones by the reaction of 4-hydroxycumarin, isatins and 1H-pyrazol-5-amines in water under ultrasonic irradiation is reported. The advantages of this method are the use of an inexpensive and readily available catalyst, easy work-up, good yields, and the use of water as a solvent that is considered to be relatively environmentally benign. (C) 2009 Elsevier B.V. All rights reserved.}}, added-at = {2017-05-10T15:29:29.000+0200}, address = {{PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}}, affiliation = {{Bazgir, A (Reprint Author), Shahid Beheshti Univ, Dept Chem, POB 19396-4716, Tehran, Iran. Bazgir, Ayoob; Ahadi, Somayeh; Ghahremanzadeh, Ramin; Khavasi, Hamid Reza; Mirzaei, Peiman, Shahid Beheshti Univ, Dept Chem, Tehran, Iran.}}, author = {Bazgir, Ayoob and Ahadi, Somayeh and Ghahremanzadeh, Ramin and Khavasi, Hamid Reza and Mirzaei, Peiman}, author-email = {{a\_bazgir@sbu.ac.ir}}, biburl = {https://www.bibsonomy.org/bibtex/2f249f7e40d28edd60654b6f9b4635ae2/hkhavasi}, cited-references = {{Abdel-Rahman AH, 2004, BIOORGAN MED CHEM, V12, P2483, DOI 10.1016/j.bmc.2003.10.063. ABDELHAFED A, 1993, COLLECT CZECH CHEM C, V58, P1198, DOI 10.1135/cccc19931198. Bazgir A, 2008, TETRAHEDRON LETT, V49, P5165, DOI 10.1016/j.tetlet.2008.06.077. Bazgir A, 2007, TETRAHEDRON LETT, V48, P8790, DOI 10.1016/j.tetlet.2007.10.084. da Silva JFM, 2001, J BRAZIL CHEM SOC, V12, P273. Dabiri M, 2008, TETRAHEDRON, V64, P7307, DOI 10.1016/j.tet.2008.05.063. Dabiri M, 2008, HETEROCYCLES, V75, P87. Dabiri M, 2007, J HETEROCYCLIC CHEM, V44, P1009. 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Fujikama Y., 1989, {[}No title captured], Patent No. {[}EP 339,358, 339358]. Hohn H., 1973, {[}No title captured], Patent No. {[}US 3755340, 3755340].}}, doc-delivery-number = {{534TI}}, doi = {{10.1016/j.ultsonch.2009.09.009}}, eissn = {{1873-2828}}, interhash = {f527fda4600f8febe999198974e7de9f}, intrahash = {f249f7e40d28edd60654b6f9b4635ae2}, issn = {{1350-4177}}, journal = {{ULTRASONICS SONOCHEMISTRY}}, journal-iso = {{Ultrason. Sonochem.}}, keywords = {Isatin; Pyrazole; Spirooxindole; Ultrasound Water; irradiation} {Cumarin;}, keywords-plus = {{MULTICOMPONENT REACTIONS; EFFICIENT SYNTHESIS; DERIVATIVES; ISATINS; SPIROOXINDOLES; CHEMISTRY; ISOCYANIDES; FACILE}}, language = {{English}}, month = {{FEB}}, number = {{2}}, number-of-cited-references = {{40}}, pages = {{447-452}}, publisher = {{ELSEVIER SCIENCE BV}}, research-areas = {{Acoustics; Chemistry}}, times-cited = {{53}}, timestamp = {2017-05-10T15:29:29.000+0200}, title = {{Ultrasound-assisted one-pot, three-component synthesis of spiro{[}indoline-3,4 `-pyrazolo{[}3,4-b]pyridine]-2,6 `(1 ` H)-diones in water}}, type = {{Article}}, unique-id = {{ISI:000272919800031}}, usage-count-last-180-days = {{1}}, usage-count-since-2013 = {{8}}, volume = {{17}}, web-of-science-categories = {{Acoustics; Chemistry, Multidisciplinary}}, year = {{2010}} }