![Catalysts | Free Full-Text | Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas Catalysts | Free Full-Text | Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas](https://www.mdpi.com/catalysts/catalysts-13-00603/article_deploy/html/images/catalysts-13-00603-g001.png)
Catalysts | Free Full-Text | Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas
![The pyrrole rings in porphyrin are attached by (a) \( -\mathrm{S}-\mathrm{S}- \) (b) \( \mathrm{... - YouTube The pyrrole rings in porphyrin are attached by (a) \( -\mathrm{S}-\mathrm{S}- \) (b) \( \mathrm{... - YouTube](https://i.ytimg.com/vi/GiyK33YcYSo/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGGIgYihiMA8=&rs=AOn4CLBy_Fz9Sq6XJRDJwPPa7NFZiKtRlQ)
The pyrrole rings in porphyrin are attached by (a) \( -\mathrm{S}-\mathrm{S}- \) (b) \( \mathrm{... - YouTube
Synthesis of Pyrroles via Consecutive 6π-Electrocyclization/Ring-Contraction of Sulfilimines | Journal of the American Chemical Society
![Choose the correct statements from the following about chlorophyll:I. Four pyrrole rings are attached to Mg by their C atomsII. Cyclopentanone ring is attached to the tetra isoprenoid alcohol chain.III. Chlorophyll appears Choose the correct statements from the following about chlorophyll:I. Four pyrrole rings are attached to Mg by their C atomsII. Cyclopentanone ring is attached to the tetra isoprenoid alcohol chain.III. Chlorophyll appears](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/609449/original_chlorphyll_structure.png)
Choose the correct statements from the following about chlorophyll:I. Four pyrrole rings are attached to Mg by their C atomsII. Cyclopentanone ring is attached to the tetra isoprenoid alcohol chain.III. Chlorophyll appears
![Explain why pyridine is basic at nitrogen and pyrrole is not, and explain why pyrrole is protonated only in very strong acids (occurring at one of the carbons adjacent to nitrogen, not Explain why pyridine is basic at nitrogen and pyrrole is not, and explain why pyrrole is protonated only in very strong acids (occurring at one of the carbons adjacent to nitrogen, not](https://homework.study.com/cimages/multimages/16/1111610270126880225843.png)