Synthese d'une nouvelle classe de donneurs: Bis(selenopyrannylidenes)-4:4′(BSeP)
✍ Scribed by Said Es-Seddiki; Gérard Le Coustumer; Yves Mollier; Marguerite Devaud
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- French
- Weight
- 166 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
We report here the first synthetic method to reach biselenopyranylidenes derivatives from either the selenopyrylium ions or the corresponding selenopyranethiones. TCNQ and DDQ complexes are described,
📜 SIMILAR VOLUMES
Lors de prCcCdentes publications (l), nous avons montrk que l'addition de T. D. A. P. a un mdlange CC14 -composd carbony se traduit par 1s pi6geage de l'anion Ccl-3 par le reactif klectrophile (aldChyde, c&one, anhydride d'acide). La mioe en rdaction de quantites Bquimol&ulaires de T. D.A. P., CC14.
Addition of an N-substituted indole without any substitution in the 2 and 3 positions to 1 ,Gnaphtoquinone leads to the expected, 2-(3-indolyl)-l,4-naphtoquinone. The latter reacts with some dienophiles via a Diels -Alder reaction and gives new N-substituted naphto-[2,3-C]-carbazoIe-5-13-quinones.