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Leveraging cascade alkynyl Prins cyclization towards the stereoselective synthesis of spiro-furan quinazolinone scaffolds.
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- Author(s): Biswas, Subhamoy1 (AUTHOR); Shit, Sudip1 (AUTHOR); Behera, Bipin Kumar1 (AUTHOR); Sahu, Archana Kumari1 (AUTHOR); Saikia, Anil K.1 (AUTHOR)
- Source:
Chemical Communications. 12/14/2023, Vol. 59 Issue 96, p14301-14304. 4p.- Subject Terms:
- Source:
- Additional Information
- Abstract: A TfOH-promoted, metal-free protocol has been unveiled for the synthesis of spiro-furan quinazolinones employing alkynol urea derivatives utilizing alkynyl Prins cyclization reaction. This methodology produces highly functionalized spiro-heterocycles in excellent yields with exclusive E-selectivity under ambient conditions. Furthermore, late-stage modifications incorporate bromide and acetyl functionalities into the synthesized spiro-heterocycles. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Chemical Communications is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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