Reactim of methyl azidoacetate with B-arylacroleins, follmd by cyclisati~ of the cbtained derivatives easily leads to arylpyrroles. N M R and ness spectra data are given and the Vilsmeier fomylation of sorts arylpyrroles is described.
General method for the synthesis of chiral 2-oxoalkylidenetriphenylphosphoranes
โ Scribed by Franco Buzzetti; Natale Barbugian; Carmelo A. Gandolfi
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- French
- Weight
- 166 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
The fiit general metkod ~~~-~~ bigly is report&. We desailn? the symtwcs of 2-[~~-acyl-~-~yl~ino~ and 2-[(N~N-dia~kyl)amino]-l.S-an~ydro-Q~~O-benzy~i~~-2-derrxy-cry-1~-3-ulos\*r by oxidatioa of glycosida derivatives of N,hMstitatcd-Z-aminosugars using two oxidant systems. Rcactims proceed with good
## Abstract A general way for the functionalization of ribonucleosides is described. The method involves the synthesis of the methylโribofuranoside derivative 6 equipped with a linker at the 2โhydroxy group (__Scheme 2__). After introduction of the nucleicโacid bases under standard conditions (__Sc