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Items: 1 to 20 of 436

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Organocatalytic tandem reaction to construct six-membered spirocyclic oxindoles with multiple chiral centres through a formal [2+2+2] annulation.

Jiang K, Jia ZJ, Chen S, Wu L, Chen YC.

Chemistry. 2010 Mar 1;16(9):2852-6. doi: 10.1002/chem.200903009.

PMID:
20112315
4.

Squaramide-Catalyzed Synthesis of Enantioenriched Spirocyclic Oxindoles via Ketimine Intermediates with Multiple Active Sites.

Sun QS, Zhu H, Chen YJ, Yang XD, Sun XW, Lin GQ.

Angew Chem Int Ed Engl. 2015 Nov 2;54(45):13253-7. doi: 10.1002/anie.201506206.

PMID:
26337819
5.

Assembly of spirooxindole derivatives containing four consecutive stereocenters via organocatalytic Michael-Henry cascade reactions.

Albertshofer K, Tan B, Barbas CF 3rd.

Org Lett. 2012 Apr 6;14(7):1834-7. doi: 10.1021/ol300441z.

PMID:
22436132
7.

Highly organocatalytic asymmetric Michael-ketone aldol-dehydration domino reaction: straightforward approach to construct six-membered spirocyclic oxindoles.

Wang LL, Peng L, Bai JF, Huang QC, Xu XY, Wang LX.

Chem Commun (Camb). 2010 Nov 14;46(42):8064-6. doi: 10.1039/c0cc03032e.

PMID:
20865203
8.

Organocatalytic synthesis of spiro compounds via a cascade Michael-Michael-aldol reaction.

Companyó X, Zea A, Alba AN, Mazzanti A, Moyano A, Rios R.

Chem Commun (Camb). 2010 Oct 7;46(37):6953-5. doi: 10.1039/c0cc01522a.

PMID:
20730196
9.

Highly enantioselective one-pot synthesis of spirocyclopentaneoxindoles containing the oxime group by organocatalyzed Michael addition/ISOC/fragmentation sequence.

Li X, Li YM, Peng FZ, Wu ST, Li ZQ, Sun ZW, Zhang HB, Shao ZH.

Org Lett. 2011 Dec 2;13(23):6160-3. doi: 10.1021/ol2024955.

PMID:
22050288
10.

Asymmetric synthesis of druglike six-membered spirooxindoles through an amino enyne catalysis.

Ramachary DB, Venkaiah C, Madhavachary R.

Org Lett. 2013 Jun 21;15(12):3042-5. doi: 10.1021/ol401227q.

PMID:
23724824
11.

Asymmetric Michael/cyclization cascade reaction of 3-isothiocyanato oxindoles and 3-nitroindoles with amino-thiocarbamate catalysts: enantioselective synthesis of polycyclic spirooxindoles.

Zhao JQ, Zhou MQ, Wu ZJ, Wang ZH, Yue DF, Xu XY, Zhang XM, Yuan WC.

Org Lett. 2015 May 1;17(9):2238-41. doi: 10.1021/acs.orglett.5b00850.

PMID:
25875402
12.

An asymmetric approach toward chiral multicyclic spirooxindoles from isothiocyanato oxindoles and unsaturated pyrazolones by a chiral tertiary amine thiourea catalyst.

Chen Q, Liang J, Wang S, Wang D, Wang R.

Chem Commun (Camb). 2013 Feb 25;49(16):1657-9. doi: 10.1039/c3cc38386e.

PMID:
23334197
13.

Asymmetric one-pot sequential Mannich/hydroamination reaction by organo- and gold catalysts: synthesis of spiro[pyrrolidin-3,2'-oxindole] derivatives.

Chen X, Chen H, Ji X, Jiang H, Yao ZJ, Liu H.

Org Lett. 2013 Apr 19;15(8):1846-9. doi: 10.1021/ol4004542.

PMID:
23560725
14.

Synthesis of 3,3'-spirocyclic oxindoles via phosphine catalyzed [4 + 2] cyclizations.

Gicquel M, Gomez C, Retailleau P, Voituriez A, Marinetti A.

Org Lett. 2013 Aug 2;15(15):4002-5. doi: 10.1021/ol401798w.

PMID:
23879566
15.

Zn-Catalyzed Diastereo- and Enantioselective Cascade Reaction of 3-Isothiocyanato Oxindoles and 3-Nitroindoles: Stereocontrolled Syntheses of Polycyclic Spirooxindoles.

Zhao JQ, Wu ZJ, Zhou MQ, Xu XY, Zhang XM, Yuan WC.

Org Lett. 2015 Oct 16;17(20):5020-3. doi: 10.1021/acs.orglett.5b02489.

PMID:
26412346
16.

Asymmetric synthesis of congested spiro-cyclopentaneoxindoles via an organocatalytic cascade reaction.

Noole A, Ilmarinen K, Järving I, Lopp M, Kanger T.

J Org Chem. 2013 Aug 16;78(16):8117-22. doi: 10.1021/jo4008223.

PMID:
23879690
17.

An organocatalytic Michael-Michael cascade for the enantioselective construction of spirocyclopentane bioxindoles: control of four contiguous stereocenters.

Sun W, Hong L, Zhu G, Wang Z, Wei X, Ni J, Wang R.

Org Lett. 2014 Jan 17;16(2):544-7. doi: 10.1021/ol4034226.

PMID:
24400909
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19.

Highly efficient enantioselective construction of bispirooxindoles containing three stereocenters through an organocatalytic cascade Michael-cyclization reaction.

Wu H, Zhang LL, Tian ZQ, Huang YD, Wang YM.

Chemistry. 2013 Jan 28;19(5):1747-53. doi: 10.1002/chem.201203221.

PMID:
23255327
20.

Multicomponent reaction to construct spirocyclic oxindoles with a Michael (triple Michael)/cyclization cascade sequence as the key step.

Li J, Wang N, Li C, Jia X.

Chemistry. 2012 Jul 27;18(31):9645-50. doi: 10.1002/chem.201104071.

PMID:
22815218
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