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Comparison of the solution (in CDCl3 at 500 MHz H-1 NMR) and X-ray crystal studies of 3'-oximinouridine 1 shows in general good agreement with the high anti glycosidic angle and in the conformation about C4'-C5'. The sugar pucker (C2'-endo) is qualititatively identical in both cases. This is the first example of a conformationally sugar-rigid nucleoside in which the rigidity arises from the sp2 character of an endocyclic carbon (i.e. C3'), not from the strain due to the ring fusion (see ref. 7 for conformationally strained nucleosides).

Publicerad i

Nucleosides And Nucleotides
1993, volym: 12, nummer: 6, sidor: 605-614
Utgivare: MARCEL DEKKER INC

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Publikationens identifierare

  • DOI: https://doi.org/10.1080/07328319308019015

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/83887