The action of diethylaminosulphur trifluoride (dast) on trans-4-amido- 3-Chromanols: Preparation of cis-amidoalcohols via oxazolines

DOI: 10.1016/S0040-4039(00)94467-8

Source and publish data:

Tetrahedron Letters p. 3649 - 3652 (1990)

Update date:2022-08-04

Topics:

Authors:

Burrell, Gordon

Evans, John M.

Jones, Graham E.

Stemp, Geoffrey

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Article abstract of DOI:10.1016/S0040-4039(00)94467-8

Treatment of a variety of trans -4-amido-3-chromanols (3) with DAST gives oxazolines (4) which can be hydrolysed to give the corresponding cis-amido-alcohols (5). Similar treatment of the trans-4-ureido-3-chromanol (8) gave the unexpected 4-fluoro-3-ureid

Full text of DOI:10.1016/S0040-4039(00)94467-8

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