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Lithiation of the 6-dimethylamino-1-azafulvene dimer. A versatile synthesis of 5-substituted pyrrole-2 carboxaldehydes.

โœ Scribed by Joseph M. Muchowski; Petr Hess

Book ID
108381617
Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
221 KB
Volume
29
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES

Lithiated Azafulvenes by Halogen/Metal I
Lithiated Azafulvenes by Halogen/Metal Interchange of Brominated 6-(Diisopropylamino)-1-azafulvene Derivatives. Novel synthesis of 5-mono- and 4,5-disubstituted 1H-pyrrole-2-carbaldehydes
โœ Brian L. Bray; Petr Hess; Joseph M. Muchowski; Markus E. Scheller ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 244 KB

The first known lithiated 1-azafulvene derivatives were generated by low-temperature halogen/metal interchange, with r-BuLi, from the corresponding brominated 6-diisopropylamino compounds 3b and 12. These Li species reacted with sundry electrophilic reagents to give products which, on basic hydrolys