1,4-dihydropyrano[3,4-b]indol-3-ones as Precursors to indole-2,3-quinodimethanes
โ Scribed by Edward B. Fray; Christopher J. Moody; Pritom Shah
- Book ID
- 108371562
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- French
- Weight
- 803 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0040-4020
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Eingegangen am 31. Oktober 1986 Pyrano[ 3,4-blindolones 3a-d are available from a-ethoxyalyllactones la, c and disubstituted hydrazines 2a, b without isolation of intermediates. In a two-phase system, however, the intermediate hydrazones 4a, c can be isolated. Conversion of 3a-d into P-carbolines wa
The N-phenylsulfonyl derivative (2) of the previously unknown fused heterocycle 4Hfuro[3,4-blindole is synthesized from indole-3-carboxaldehyde (2) in 28% yield and undergoes a Diels-Alder reaction with benzyne to give 5H-benzo[b]carbazole (11) in -33% yield after deoxygenation and deprotection.