Sequential norrish type ii photoelimination and intramolecular aldol cyclization of 1,2-diketones in carbohydrate systems: stereoselective synthesis of cyclopentitols

Alvarez-Dorta, D. and Leon, E.I. and Kennedy, A.R. and Riesco-Fagundo, C. and Suarez, E. (2008) Sequential norrish type ii photoelimination and intramolecular aldol cyclization of 1,2-diketones in carbohydrate systems: stereoselective synthesis of cyclopentitols. Agewandte Chemie-International Edition, 47 (46). pp. 8917-8919. ISSN 1521-3773 (http://dx.doi.org/10.1002/anie.200803696)

Abstract

Opened and closed: Visible-light photostimulation of 2,3-diuloses I triggers an unprecedented sequential rearrangement: A Norrish type II photoelimination to give an isolable acyclic photoenol intermediate II is followed by an intramolecular enolexo aldolization. The contraction of the pyranose ring in this process leads to a new type of cyclopentitol derivative III. R=acyl, alkyl, silyl group.

ORCID iDs

Kennedy, A.R. ORCID: https://orcid.org/0000-0003-3652-6015

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• Item metadata

  Item type:	Article
  ID code:	19447
  Dates:	Date Event 2008 Published
  Subjects:	Science > Chemistry
  Department:	Faculty of Science > Pure and Applied Chemistry
  Depositing user:	Strathprints Administrator
  Date deposited:	25 May 2010 15:32
  Last modified:	15 Nov 2024 21:35
  URI:	https://strathprints.strath.ac.uk/id/eprint/19447