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Results: 1 to 20 of 207

1.

Highly efficient and stereocontrolled construction of 3,3'-pyrrolidonyl spirooxindoles via organocatalytic domino Michael/cyclization reaction.

Liu XL, Han WY, Zhang XM, Yuan WC.

Org Lett. 2013 Mar 15;15(6):1246-9. doi: 10.1021/ol400183k. Epub 2013 Mar 1.

PMID:
23452297
[PubMed - indexed for MEDLINE]
2.

3-isothiocyanato oxindoles serving as powerful and versatile precursors to structurally diverse dispirocyclic thiopyrrolidineoxindoles through a cascade Michael/cyclization process with amino-thiocarbamate catalysts.

Han WY, Li SW, Wu ZJ, Zhang XM, Yuan WC.

Chemistry. 2013 Apr 26;19(18):5551-6. doi: 10.1002/chem.201300206. Epub 2013 Mar 12.

PMID:
23495169
[PubMed - indexed for MEDLINE]
3.

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
[PubMed - indexed for MEDLINE]
4.

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. Epub 2012 Dec 18.

PMID:
23255327
[PubMed - indexed for MEDLINE]
5.

Highly enantioselective construction of spiro[4H-pyran-3,3'-oxindoles] through a domino Knoevenagel/Michael/cyclization sequence catalyzed by cupreine.

Chen WB, Wu ZJ, Pei QL, Cun LF, Zhang XM, Yuan WC.

Org Lett. 2010 Jul 16;12(14):3132-5. doi: 10.1021/ol1009224.

PMID:
20545337
[PubMed - indexed for MEDLINE]
6.

Core structure-based design of organocatalytic [3+2]-cycloaddition reactions: highly efficient and stereocontrolled syntheses of 3,3'-pyrrolidonyl spirooxindoles.

Tan B, Zeng X, Leong WW, Shi Z, Barbas CF 3rd, Zhong G.

Chemistry. 2012 Jan 2;18(1):63-7. doi: 10.1002/chem.201103449. Epub 2011 Dec 9. No abstract available. Erratum in: Chemistry. 2012 May 21;18(21):6414.

PMID:
22162076
[PubMed - indexed for MEDLINE]
7.

Core scaffold-inspired stereoselective synthesis of spiropyrazolones via an organocatalytic Michael/cyclization sequence.

Liu L, Zhong Y, Zhang P, Jiang X, Wang R.

J Org Chem. 2012 Nov 16;77(22):10228-34. doi: 10.1021/jo301851a. Epub 2012 Oct 30.

PMID:
23072426
[PubMed - indexed for MEDLINE]
8.

Organocatalytic direct asymmetric aldol reactions of 3-isothiocyanato oxindoles to ketones: stereocontrolled synthesis of spirooxindoles bearing highly congested contiguous tetrasubstituted stereocenters.

Chen WB, Wu ZJ, Hu J, Cun LF, Zhang XM, Yuan WC.

Org Lett. 2011 May 6;13(9):2472-5. doi: 10.1021/ol200724q. Epub 2011 Apr 7.

PMID:
21473612
[PubMed - indexed for MEDLINE]
9.

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
[PubMed - indexed for MEDLINE]
10.

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. Epub 2012 Mar 22.

PMID:
22436132
[PubMed - indexed for MEDLINE]
11.

Scaffold-inspired enantioselective synthesis of biologically important spiro[pyrrolidin-3,2'-oxindoles] with structural diversity through catalytic isatin-derived 1,3-dipolar cycloadditions.

Shi F, Tao ZL, Luo SW, Tu SJ, Gong LZ.

Chemistry. 2012 May 29;18(22):6885-94. doi: 10.1002/chem.201200358. Epub 2012 Apr 13.

PMID:
22505189
[PubMed - indexed for MEDLINE]
12.

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. Epub 2012 Jul 2.

PMID:
22815218
[PubMed - indexed for MEDLINE]
13.

An organocatalytic [3+2] cyclisation strategy for the highly enantioselective synthesis of spirooxindoles.

Voituriez A, Pinto N, Neel M, Retailleau P, Marinetti A.

Chemistry. 2010 Nov 8;16(42):12541-4. doi: 10.1002/chem.201001791. No abstract available.

PMID:
20853298
[PubMed - indexed for MEDLINE]
14.

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. Epub 2011 Nov 3.

PMID:
22050288
[PubMed - indexed for MEDLINE]
15.

Synthesis of six-membered spirocyclic oxindoles with five consecutive stereocenters in an asymmetric organocatalytic one-pot Michael/Michael/aldol addition sequence.

Zhou B, Yang Y, Shi J, Luo Z, Li Y.

J Org Chem. 2013 Apr 5;78(7):2897-907. doi: 10.1021/jo302655u. Epub 2013 Mar 8.

PMID:
23469872
[PubMed - indexed for MEDLINE]
16.

Organocatalytic oxa/aza-Michael-Michael cascade strategy for the construction of spiro [chroman/tetrahydroquinoline-3,3'-oxindole] scaffolds.

Mao H, Lin A, Tang Y, Shi Y, Hu H, Cheng Y, Zhu C.

Org Lett. 2013 Aug 16;15(16):4062-5. doi: 10.1021/ol401595g. Epub 2013 Jul 30.

PMID:
23899374
[PubMed - indexed for MEDLINE]
17.

Catalytic stereoselective synthesis of diverse oxindoles and spirooxindoles from isatins.

MacDonald JP, Badillo JJ, Arevalo GE, Silva-García A, Franz AK.

ACS Comb Sci. 2012 Apr 9;14(4):285-93. doi: 10.1021/co300003c. Epub 2012 Apr 2.

PMID:
22449252
[PubMed - indexed for MEDLINE]
18.

N-Heterocyclic carbene-catalyzed three-component domino reaction of alkynyl aldehydes with oxindoles.

Du D, Hu Z, Jin J, Lu Y, Tang W, Wang B, Lu T.

Org Lett. 2012 Mar 2;14(5):1274-7. doi: 10.1021/ol300148f. Epub 2012 Feb 21.

PMID:
22352352
[PubMed - indexed for MEDLINE]
19.

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. Epub 2010 Aug 23.

PMID:
20730196
[PubMed - indexed for MEDLINE]
20.

Stereoselective synthesis of five-membered spirooxindoles through Tomita zipper cyclization.

Ramachary DB, Venkaiah C, Krishna PM.

Org Lett. 2013 Sep 20;15(18):4714-7. doi: 10.1021/ol4020305. Epub 2013 Sep 9.

PMID:
24015947
[PubMed - indexed for MEDLINE]

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