Abstract
Derivatives of enose‐ and ynosephosphonates and related compounds. Preliminary communicationThe gem‐dibromo terminal enoses 1 and 7 are convenient sources of glycosylacetylenes which upon reaction with phosphorus electrophiles gave the phosphorusbearing acetylenic sugars 4, 5 and 8. Compounds 5 and 8 underwent cycloaddition reactions leading to isoxazolyl‐C‐glycosides 6 and 9 respectively. The nitroolefinic sugar derivative 11 gave upon bromination‐dehydrobromination the first example of a new kind of potentially useful synthetic intermediates, the gem‐bromonitroenose 12. The enosephosphonate 13 was also prepared from 11. The diglycosylhydroxylamine 18 represents another type of phosphorus‐bearing acetylenic sugar derivative. Some 1H‐ and 13C‐NMR. data relative to the new types of phosphorus‐containing sugar derivatives synthesized are given.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
