Spiro Indoline
![Novel Functionalized Spiro [Indoline-3,5′-pyrroline]-2,2′dione ...](https://www.mdpi.com/ijms/ijms-24-07336/article_deploy/html/images/ijms-24-07336-g001.png "Spiro Indoline")
![Spiro[pyrrolidine-3,3′-oxindoles] and Their Indoline Analogues as New 5 ...](https://pub.mdpi-res.com/molecules/molecules-22-02221/article_deploy/html/images/molecules-22-02221-ag-550.jpg?1569727984 "Spiro Indoline")
![(PDF) Novel Functionalized Spiro [Indoline-3, 5′-pyrroline]-2, 2′dione ...](https://i1.rgstatic.net/publication/370049017_Novel_Functionalized_Spiro_Indoline-3_5'-pyrroline-2_2'dione_Derivatives_Synthesis_Characterization_Drug-Likeness_ADME_and_Anticancer_Potential/links/643b1e04e881690c4bd80c63/largepreview.png "Spiro Indoline")
![(PDF) Spiro[pyrrolidine-3,3′-oxindoles] and Their Indoline Analogues as ...](https://i1.rgstatic.net/publication/321823433_Spiropyrrolidine-33'-oxindoles_and_Their_Indoline_Analogues_as_New_5-HT6_Receptor_Chemotypes/links/5a3341420f7e9b2a28898521/largepreview.png "Spiro Indoline")
![Novel Functionalized Spiro [Indoline-3,5′-pyrroline]-2,2′dione ...](https://mdpi-res.com/ijms/ijms-24-07336/article_deploy/html/images/ijms-24-07336-g007.png "Spiro Indoline")
![Novel Functionalized Spiro [Indoline-3,5′-pyrroline]-2,2′dione ...](https://mdpi-res.com/ijms/ijms-24-07336/article_deploy/html/images/ijms-24-07336-g009.png "Spiro Indoline")
![Novel Functionalized Spiro [Indoline-3,5′-pyrroline]-2,2′dione ...](https://www.mdpi.com/ijms/ijms-24-07336/article_deploy/html/images/ijms-24-07336-g002-550.jpg "Spiro Indoline")
![(PDF) Spiro [indoline-3,4′-pyrano[2,3-c]pyrazole] Derivatives as Novel ...](https://i1.rgstatic.net/publication/323594614_Spiro_indoline-34'-pyrano23-cpyrazole_Derivatives_as_Novel_Class_of_Green_Corrosion_Inhibitors_for_Mild_Steel_in_Hydrochloric_Acid_Medium_Theoretical_and_Experimental_Approach/links/5b2e4742aca2720785dc1d61/largepreview.png "Spiro Indoline")
![Spiro[pyrrolidine-3,3′-oxindoles] and Their Indoline Analogues as New 5 ...](https://pub.mdpi-res.com/molecules/molecules-22-02221/article_deploy/html/images/molecules-22-02221-g005.png?1569727984 "Spiro Indoline")
![Spiro[pyrrolidine-3,3′-oxindoles] and Their Indoline Analogues as New 5 ...](https://pub.mdpi-res.com/molecules/molecules-22-02221/article_deploy/html/images/molecules-22-02221-sch008.png?1569727983 "Spiro Indoline")
![Novel Functionalized Spiro [Indoline-3,5′-pyrroline]-2,2′dione ...](https://cdn.ncbi.nlm.nih.gov/pmc/blobs/502e/10139052/94370b7d06c0/ijms-24-07336-g004.jpg "Spiro Indoline")
![Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of ...](https://pub.mdpi-res.com/molecules/molecules-28-01056/article_deploy/html/images/molecules-28-01056-g001.png?1674221342 "Spiro Indoline")
![Spiro[indoline-3,4'-pyran] | C12H11NO | CID 129757057 - PubChem](https://pubchem.ncbi.nlm.nih.gov/image/imgsrv.fcgi?cid=129757057&t=l "Spiro Indoline")
![Scheme 2. Synthesis of spiro[indoline-3,4'-quinoline] derivatives 7a-c ...](https://www.researchgate.net/publication/301488451/figure/fig1/AS:959358502461440@1605740299422/Scheme-2-Synthesis-of-spiroindoline-3-4-quinoline-derivatives-7a-c-Conducting-the.png "Spiro Indoline")
![Spiro[indoline-3,3'-pyrrole] | C11H10N2 | CID 171383566 - PubChem](https://pubchem.ncbi.nlm.nih.gov/image/imgsrv.fcgi?cid=171383566&t=l "Spiro Indoline")
![Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of ...](https://pub.mdpi-res.com/molecules/molecules-28-01056/article_deploy/html/images/molecules-28-01056-sch001.png?1674221348 "Spiro Indoline")
![Schematic synthesis of spiro[indoline‐3,4′‐[1,3]dithiine]@Ni (NO3)2 ...](https://www.researchgate.net/publication/338826534/figure/fig12/AS:1093062860255240@1637617902149/Schematic-synthesis-of-spiroindoline-3-4-1-3dithiineNi-NO32-supported-on-the.png "Spiro Indoline")
![Synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] | Download ...](https://www.researchgate.net/publication/366838042/figure/fig5/AS:11431281128417981@1679368367594/Synthesis-of-spiroindoline-3-4-pyrano2-3-cpyrazole.png "Spiro Indoline")
![Scheme 1 Synthesis of spiro[indoline-3,4′-pyran]-3′-carbonitrile ...](https://www.researchgate.net/profile/Heba-Elhady/publication/305040571/figure/fig1/AS:390961084551183@1470223794477/Scheme-1-Synthesis-of-spiroindoline-3-4-pyran-3-carbonitrile-derivatives-3a-c.png "Spiro Indoline")
![Construction of Spiro[indoline‐3,2′‐pyrrolo[2,1‐a]Isoquinoline] and ...](https://chemistry-europe.onlinelibrary.wiley.com/cms/asset/08318032-3bbb-40d9-b6ed-f9a44695aa5a/slct202404025-gra-0001-m.jpg?trick=1745778909280 "Spiro Indoline")
![Divergent Annulation of Spiro[indoline‐pyran] and Fused (Epoxyetheno ...](https://chemistry-europe.onlinelibrary.wiley.com/cms/asset/ff32f75e-4976-437c-9ca9-377ce1e75a13/ejoc202101534-toc-0001-m.png "Spiro Indoline")
![Diastereoselective Syntheses of Spiro[indoline-3,4′-pyridin]-2-yl ...](https://pubs.acs.org/cms/10.1021/acs.joc.9b02839/asset/images/medium/jo9b02839_0003.gif "Spiro Indoline")
![Scheme 1. Synthesis of spiro[diindeno[1,2-b:2 ′ ,1 ′-e]pyridine-11,3 ...](https://www.researchgate.net/publication/323010441/figure/fig1/AS:591765274914817@1518099244265/Scheme-1-Synthesis-of-spirodiindeno1-2-b2-1-epyridine-11-3-indoline-trione.png "Spiro Indoline")
![1-(methylsulfonyl)spiro[indoline-3,4′-piperidine] – ≥ 98.0% purity. CAS ...](https://www.hydebiolabs.com/wp-content/uploads/2025/01/1-Methylsulfonylspiroindoline-34-piperidine-98-600x536.png "Spiro Indoline")
![Construction of Spiro[indoline‐3,2′‐pyrrolo[2,1‐a]Isoquinoline] and ...](https://i1.rgstatic.net/publication/388355860_Construction_of_Spiroindoline-32'-pyrrolo21-aIsoquinoline_and_Spiroindoline-32'-pyrrolo12-aQuinoline_via_Isocyanide-Based_Three-Component_Reaction/links/6793c80996e7fb48b99c26ff/largepreview.png "Spiro Indoline")
![Examples of natural spiro[indoline-3,6'-pyrano[3,4-f]-indolizin ...](https://www.researchgate.net/publication/352737094/figure/fig1/AS:1038600812646401@1624633138489/Examples-of-natural-spiroindoline-3-6-pyrano3-4-f-indolizin-alkaloids_Q320.jpg "Spiro Indoline")
![Synthesis of spiro[indoline-3,2′-pyrrolidin]-2-ones 4a–f | Download ...](https://www.researchgate.net/publication/326168747/figure/fig5/AS:11431281188905098@1694808025901/Synthesis-of-spiroindoline-3-2-pyrrolidin-2-ones-4a-f_Q320.jpg "Spiro Indoline")
![Synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] derivatives ...](https://www.researchgate.net/publication/365781971/figure/fig7/AS:11431281103088042@1669604478281/Synthesis-of-spiroindoline-3-4-pyrano2-3-cpyrazole-derivatives-using-nanocomposites.png "Spiro Indoline")
![eMolecules ChemScene / Spiro[indoline-34-piperidin]-2-one / 100mg ...](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502439149.PNG-650.jpg "Spiro Indoline")
![A rational mechanism to produce spiro[indoline-3,3′-pyrrolidines] with ...](https://www.researchgate.net/publication/351662723/figure/fig15/AS:11431281117215916@1675396499517/A-rational-mechanism-to-produce-spiroindoline-3-3-pyrrolidines-with-Z-E-isomers.png "Spiro Indoline")
![An Efficient Synthesis of Spiro[indoline-3,9′-xanthene]trione ...](https://pub.mdpi-res.com/molecules/molecules-22-01295/article_deploy/html/images/molecules-22-01295-g001.png?1569481560 "Spiro Indoline")
![Scheme 6. Synthesis of 8 0 H-spiro[indoline-3,4-pyrano[3,2-b]pyrans 23 ...](https://www.researchgate.net/publication/353879209/figure/fig6/AS:1056278390509568@1628847801693/Scheme-6-Synthesis-of-8-0-H-spiroindoline-3-4-pyrano3-2-bpyrans-23-8-0.png "Spiro Indoline")
![Synthesis of spiro-[indoline-3,4′-quinoline] catalyzed by... | Download ...](https://www.researchgate.net/publication/364326441/figure/fig11/AS:11431281099398138@1669260033074/Synthesis-of-spiro-indoline-3-4-quinoline-catalyzed-by-SiO2-bip-NH2-HSO4.png "Spiro Indoline")
![Synthesis of spiro[indoline-3,4′-pyrazolo[3,4-b][1,6]naphthyridine]-2 ...](https://www.researchgate.net/publication/349571112/figure/fig14/AS:11431281115682878@1675052293552/Synthesis-of-spiroindoline-3-4-pyrazolo3-4-b1-6naphthyridine-2-51H-diones.png "Spiro Indoline")
![Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of ...](https://pub.mdpi-res.com/molecules/molecules-28-01056/article_deploy/html/images/molecules-28-01056-sch003.png?1674221343 "Spiro Indoline")
![Synthesis of spiro[indoline-3,3′-pyrrolizines] by 1,3-dipolar ...](https://i1.rgstatic.net/publication/321041932_Synthesis_of_spiro-indoline-33'-pyrrolizines_by_13-dipolar_reactions_between_isatins_l-proline_and_electron-deficient_alkenes/links/66912f783e0edb1e0fe0be57/largepreview.png "Spiro Indoline")
![Scheme 1 Synthesis of spiro(indoline-3,4′-pyrano[2,3-c]pyrazol)-2-one ...](https://www.researchgate.net/publication/265017310/figure/fig1/AS:528582406361089@1503035274591/Scheme-1-Synthesis-of-spiroindoline-3-4-pyrano2-3-cpyrazol-2-one-derivatives-4a-z.png "Spiro Indoline")
![Scheme 2 Synthetic pathway to produce fused pyrrolo[2,3-b]indole ...](https://mavink.com/images/loadingwhitetransparent.gif "Spiro Indoline")
![1-(Spiro[indoline-3,4'-piperidin]-1-yl)ethanone hydrochloride | 167484-19-7](https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/bbe/2/5/316038125_w290.png "Spiro Indoline")
![High Quality 1-(methylsulfonyl)spiro[indoline-3,4'-piperidine] powder ...](https://cdn.globalso.com/mylandsupplement/1-methylsulfonylspiroindoline-34-piperidine1.png "Spiro Indoline")
![Proposed route for the synthesis of spiro[indoline-3,2′-quinoline]s ...](https://www.researchgate.net/publication/324680330/figure/fig9/AS:941524376354824@1601488312122/Proposed-route-for-the-synthesis-of-spiroindoline-3-2-quinolines-using.gif "Spiro Indoline")
![Synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] derivatives ...](https://www.researchgate.net/publication/336443892/figure/fig5/AS:812868324831234@1570814319624/Synthesis-of-spiroindoline-3-4-pyrano2-3-cpyrazole-derivatives.png "Spiro Indoline")
![Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of ...](https://pub.mdpi-res.com/molecules/molecules-28-01056/article_deploy/html/images/molecules-28-01056-sch002.png?1674221345 "Spiro Indoline")
![Multi-Component Syntheses of Spiro[furan-2,3′-indoline]-3-carboxylate ...](https://pub.mdpi-res.com/molecules/molecules-29-01223/article_deploy/html/images/molecules-29-01223-sch001.png?1709911759 "Spiro Indoline")
![Scheme 1 Synthesis of spiro(indoline-3,4′-pyrano[2,3-c]pyrazol)-2-one ...](https://www.researchgate.net/profile/Nataraj-Poomathi/publication/265017310/figure/fig1/AS:528582406361089@1503035274591/Scheme-1-Synthesis-of-spiroindoline-3-4-pyrano2-3-cpyrazol-2-one-derivatives-4a-z_Q320.jpg "Spiro Indoline")
![Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of ...](https://pub.mdpi-res.com/molecules/molecules-28-01056/article_deploy/html/images/molecules-28-01056-sch004.png?1674221351 "Spiro Indoline")
![Scheme 1 Synthesis of spiro[indoline-3,4′-pyran]-3′-carbonitrile ...](https://www.researchgate.net/profile/Heba-Elhady/publication/305040571/figure/fig1/AS:390961084551183@1470223794477/Scheme-1-Synthesis-of-spiroindoline-3-4-pyran-3-carbonitrile-derivatives-3a-c_Q320.jpg "Spiro Indoline")
![Synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] derivatives ...](https://www.researchgate.net/publication/366838042/figure/fig6/AS:11431281128417982@1679368367966/Synthesis-of-spiroindoline-3-4-pyrano2-3-cpyrazole-derivatives-using-SBA-Pr-NHQ.png "Spiro Indoline")
![Sono-synthesis of spiro[indoline-3,4’-pyrano[3,2-c]quinolone ...](https://www.researchgate.net/profile/Rahul-Singh-141/publication/358559634/figure/fig18/AS:1130106772824074@1646449859120/Sono-synthesis-of-spiroindoline-3-4-pyrano3-2-cquinolone-derivatives.png "Spiro Indoline")
![Synthesis of spiro[indoline-3,2′-pyrrolo[2,1-a]isoquinolines] 1a-1o a ...](https://www.researchgate.net/publication/312667193/figure/fig1/AS:485983855616001@1492878988663/Synthesis-of-spiroindoline-3-2-pyrrolo2-1-aisoquinolines-1a-1o-a.png "Spiro Indoline")
![Proposed mechanism of [3 + 2] cycloaddition reaction for the formation ...](https://www.researchgate.net/publication/351662723/figure/fig23/AS:11431281117198016@1675396500022/Proposed-mechanism-of-3-2-cycloaddition-reaction-for-the-formation-of.png "Spiro Indoline")
![eMolecules Spiro[indoline-3,4'-piperidin]-2-one hydrochloride | 356072 ...](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502138617.JPG-650.jpg "Spiro Indoline")
![One-pot synthesis of spiro[indoline-3,2′-quinoline] derivatives using ...](https://www.researchgate.net/publication/324680330/figure/fig8/AS:941524376363011@1601488312076/One-pot-synthesis-of-spiroindoline-3-2-quinoline-derivatives-using-DB-18-C-6KOH.gif "Spiro Indoline")
![Scheme 118. Synthesis of spiro[indoline-3,4 0 -pyrano[2,3-c]pyrazole ...](https://www.researchgate.net/profile/Roghayeh-Hossein-Nia/publication/331478014/figure/fig7/AS:757545417318400@1557624310561/Scheme-118-Synthesis-of-spiroindoline-3-4-0-pyrano2-3-cpyrazole-derivatives-using.png "Spiro Indoline")
![Synthesis of spiro[indoline-3,2′-pyrrolo[2,1-a]isoquinolines] 1a-1o a ...](https://www.researchgate.net/publication/312667193/figure/fig2/AS:485983859810304@1492878989163/Molecular-structure-of-spiro-compound-1a_Q640.jpg "Spiro Indoline")
![Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of ...](https://pub.mdpi-res.com/molecules/molecules-28-01056/article_deploy/html/images/molecules-28-01056-sch005.png?1674221350 "Spiro Indoline")
![Scheme 36. Synthesis of spiro[indoline-2,5′-[4′,5′]dihydrothiazoles ...](https://www.researchgate.net/publication/366992531/figure/fig1/AS:11431281112282930@1673366426550/Scheme-36-Synthesis-of-spiroindoline-2-5-4-5dihydrothiazoles-109-A-group-of.png "Spiro Indoline")
![Scheme 2 Synthesis of spiro[indoline-3,4 0 -pyrazolo[3,4-b]pyridine ...](https://www.researchgate.net/publication/339045339/figure/fig1/AS:1151725465542658@1651604157253/Scheme-2-Synthesis-of-spiroindoline-3-4-0-pyrazolo3-4-bpyridine-10a.jpg "Spiro Indoline")
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