Fusion of 3,4,6-tri-O-acetyl-2-(N-acetylacetamido)-1,2-dideoxy- o-arabino-hex-1-enopyranose [I, 2-(N-acetylacetamido)-o-glucal triacetate] with various acids and phenols in the presence of. a trace of p-toluenesulfonic acid causes loss of the acetoxy group at C-3, shift of the double bond to the C-2-C-3 position, and entry of an acyloxy or aryloxy group at C-1 to give esters and glycosides, respectively, of 4,6-di-0-acetyl-2-(N-acetylacetamido)-2,3-dideoxy- a-o-erythro-hex-2-enopyranose (compounds III, V, VI, and VII). In each case, the main product is accompanied by 1,4,6-tri-O- acetyl-2- (N-acetylacetamido) -2,3-dideoxy-a-o-erythro-hex-2-enopyranose (IV), a substance which is found to be readily accessible through the deliberate rearrange...
By using the 14 C-tracer technique it was established that the carbon dioxid e evolved in the reacti...
A method to convert 2-hydroxy glycal ester to the corresponding 2-deoxy-2-<i>C</i>-alkyl glycal in a...
Recent advances in the study of acetal hydrolysis and the effect of neighbouring hydroxyl groups on ...
Fusion of 3,4,6-tri-O-acetyl-2-(N-acetylacetamido)-1,2-dideoxy- o-arabino-hex-1-enopyranose [I, 2-(N...
Treatment of 2-acetamido-2-deoxy-n-galactose (III) with isopropenyl acetate and p-toluenesulfonic ac...
Treatment of 2-acetamido-2-deoxy-n-galactose (III) with isopropenyl acetate and p-toluenesulfonic ac...
The structure of an unsaturated amino sugar derivative, formed in low yield when 2-acetamido-2-deoxy...
The structure of an unsaturated amino sugar derivative, formed in low yield when 2-acetamido-2-deoxy...
Two pairs of anomers, the l ,4,6-tri-0-acetyl-2-(N-acetylacetamido)- 2,3-dideoxy-o-hex-2-enopyranose...
Two pairs of anomers, the l ,4,6-tri-0-acetyl-2-(N-acetylacetamido)- 2,3-dideoxy-o-hex-2-enopyranose...
In earlier work, the double bond in aldohexopyranose derivatives with the grouping C=CNAc2 was shown...
Silver triflate-promoted condensation of methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-2-chloro-2,3,5-tr...
Dimethylaluminum chloride-mediated ene reactions of aldehydes with (Z)-3$\beta$-acetoxy-5,17(20)-pre...
Attempts to prepare 2-(2-hydroxyethyl)-6,6-dimethylbicyclo[3.1.1]hept-2-ene (nopol; 1) labelled with...
By using the 14 C-tracer technique it was established that the carbon dioxid e evolved in the reacti...
By using the 14 C-tracer technique it was established that the carbon dioxid e evolved in the reacti...
A method to convert 2-hydroxy glycal ester to the corresponding 2-deoxy-2-<i>C</i>-alkyl glycal in a...
Recent advances in the study of acetal hydrolysis and the effect of neighbouring hydroxyl groups on ...
Fusion of 3,4,6-tri-O-acetyl-2-(N-acetylacetamido)-1,2-dideoxy- o-arabino-hex-1-enopyranose [I, 2-(N...
Treatment of 2-acetamido-2-deoxy-n-galactose (III) with isopropenyl acetate and p-toluenesulfonic ac...
Treatment of 2-acetamido-2-deoxy-n-galactose (III) with isopropenyl acetate and p-toluenesulfonic ac...
The structure of an unsaturated amino sugar derivative, formed in low yield when 2-acetamido-2-deoxy...
The structure of an unsaturated amino sugar derivative, formed in low yield when 2-acetamido-2-deoxy...
Two pairs of anomers, the l ,4,6-tri-0-acetyl-2-(N-acetylacetamido)- 2,3-dideoxy-o-hex-2-enopyranose...
Two pairs of anomers, the l ,4,6-tri-0-acetyl-2-(N-acetylacetamido)- 2,3-dideoxy-o-hex-2-enopyranose...
In earlier work, the double bond in aldohexopyranose derivatives with the grouping C=CNAc2 was shown...
Silver triflate-promoted condensation of methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-2-chloro-2,3,5-tr...
Dimethylaluminum chloride-mediated ene reactions of aldehydes with (Z)-3$\beta$-acetoxy-5,17(20)-pre...
Attempts to prepare 2-(2-hydroxyethyl)-6,6-dimethylbicyclo[3.1.1]hept-2-ene (nopol; 1) labelled with...
By using the 14 C-tracer technique it was established that the carbon dioxid e evolved in the reacti...
By using the 14 C-tracer technique it was established that the carbon dioxid e evolved in the reacti...
A method to convert 2-hydroxy glycal ester to the corresponding 2-deoxy-2-<i>C</i>-alkyl glycal in a...
Recent advances in the study of acetal hydrolysis and the effect of neighbouring hydroxyl groups on ...