![Diketene a Privileged Synthon in the Synthesis of Heterocycles. Part 2: Six-Membered Ring Heterocycles - ScienceDirect Diketene a Privileged Synthon in the Synthesis of Heterocycles. Part 2: Six-Membered Ring Heterocycles - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0065272517300557-sch01-02-9780128152102.jpg)
Diketene a Privileged Synthon in the Synthesis of Heterocycles. Part 2: Six-Membered Ring Heterocycles - ScienceDirect
Arylation Using Sulfonamides: Phenylacetamide Synthesis through Tandem Acylation–Smiles Rearrangement | Organic Letters
![Early Amidation Approach to 3-[(4-Amido)pyrrol-2-yl]-2-indolinones | The Journal of Organic Chemistry Early Amidation Approach to 3-[(4-Amido)pyrrol-2-yl]-2-indolinones | The Journal of Organic Chemistry](https://pubs.acs.org/cms/10.1021/jo034304q/asset/images/large/jo034304qn00001.jpeg)
Early Amidation Approach to 3-[(4-Amido)pyrrol-2-yl]-2-indolinones | The Journal of Organic Chemistry
![EP2264027A1 - Process for the preparation of N-[2-(Diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene) methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide - Google Patents EP2264027A1 - Process for the preparation of N-[2-(Diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene) methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide - Google Patents](https://patentimages.storage.googleapis.com/66/70/14/db228d1e9562e6/imgb0018.png)
EP2264027A1 - Process for the preparation of N-[2-(Diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene) methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide - Google Patents
![2,2,6-Trimethyl-1,3-dioxin-4-one, cont. up to ca 6% acetone, Thermo Scientific Chemicals | Fisher Scientific 2,2,6-Trimethyl-1,3-dioxin-4-one, cont. up to ca 6% acetone, Thermo Scientific Chemicals | Fisher Scientific](https://assets.fishersci.com/TFS-Assets/CCG/logos/Thermo-Scientific-Stacked.jpg-650.jpg)
2,2,6-Trimethyl-1,3-dioxin-4-one, cont. up to ca 6% acetone, Thermo Scientific Chemicals | Fisher Scientific
![Effect of ketene additive and Si/Al ratio on the reaction of methanol over HZSM‐5 catalysts - Hassanpour - 2018 - Applied Organometallic Chemistry - Wiley Online Library Effect of ketene additive and Si/Al ratio on the reaction of methanol over HZSM‐5 catalysts - Hassanpour - 2018 - Applied Organometallic Chemistry - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/1ba3ad8a-f998-471c-a841-ed7e18d443ef/aoc4133-fig-0009-m.jpg)
Effect of ketene additive and Si/Al ratio on the reaction of methanol over HZSM‐5 catalysts - Hassanpour - 2018 - Applied Organometallic Chemistry - Wiley Online Library
![Bond formations by intermolecular and intramolecular trappings of acylketenes and their applications in natural product synthesis. - Abstract - Europe PMC Bond formations by intermolecular and intramolecular trappings of acylketenes and their applications in natural product synthesis. - Abstract - Europe PMC](https://europepmc.org/articles/PMC3227143/bin/nihms334083f6.jpg)
Bond formations by intermolecular and intramolecular trappings of acylketenes and their applications in natural product synthesis. - Abstract - Europe PMC
![Rapid, quantitative, solvent-free synthesis of medium-ring diaza heterocycles from diketene–acetone adduct and diamines - ScienceDirect Rapid, quantitative, solvent-free synthesis of medium-ring diaza heterocycles from diketene–acetone adduct and diamines - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0040403914016785-fx1.jpg)
Rapid, quantitative, solvent-free synthesis of medium-ring diaza heterocycles from diketene–acetone adduct and diamines - ScienceDirect
![End group modification of polyamide-6 in supercritical and subcritical fluids: Part 3: Amine end group modification with diketene and diketene acetone adduct in CO2 - ScienceDirect End group modification of polyamide-6 in supercritical and subcritical fluids: Part 3: Amine end group modification with diketene and diketene acetone adduct in CO2 - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0896844603002316-gr1.gif)
End group modification of polyamide-6 in supercritical and subcritical fluids: Part 3: Amine end group modification with diketene and diketene acetone adduct in CO2 - ScienceDirect
![Molecules | Free Full-Text | Elagolix Sodium Salt and Its Synthetic Intermediates: A Spectroscopic, Crystallographic, and Conformational Study Molecules | Free Full-Text | Elagolix Sodium Salt and Its Synthetic Intermediates: A Spectroscopic, Crystallographic, and Conformational Study](https://www.mdpi.com/molecules/molecules-28-03861/article_deploy/html/images/molecules-28-03861-sch002-550.jpg)
Molecules | Free Full-Text | Elagolix Sodium Salt and Its Synthetic Intermediates: A Spectroscopic, Crystallographic, and Conformational Study
![Molecules | Free Full-Text | Microwave-Assisted Syntheses of Bioactive Seven-Membered, Macro-Sized Heterocycles and Their Fused Derivatives Molecules | Free Full-Text | Microwave-Assisted Syntheses of Bioactive Seven-Membered, Macro-Sized Heterocycles and Their Fused Derivatives](https://www.mdpi.com/molecules/molecules-21-01032/article_deploy/html/images/molecules-21-01032-sch014-550.jpg)
Molecules | Free Full-Text | Microwave-Assisted Syntheses of Bioactive Seven-Membered, Macro-Sized Heterocycles and Their Fused Derivatives
![EP0614904A1 - Method for the preparation of Isopropylidene derivatives of saccharides - Google Patents EP0614904A1 - Method for the preparation of Isopropylidene derivatives of saccharides - Google Patents](https://patentimages.storage.googleapis.com/be/39/9c/06a4c00739a98b/imgb0001.png)