Diazabicyclo( 5.4 .0)undec-7-ene. -Treatment of halogen compounds (I) with DBU is investigated in order to obtain fluorinated dienes for cycloaddition reactions. However, the expected products (cf. (II)) are only obtained in the case of aryl substituents. Alkyl, cycloalkyl and alkoxy substituents
ChemInform Abstract: Reaction of 1,8-Diazabicyclo(5.4.0)undec-8-ene with Methyl 3,5- Dinitrobenzoate and 1,3,5-Trinitrobenzene.
β Scribed by J. K. SUTHERLAND
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 28 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0931-7597
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β¦ Synopsis
Reaction of 1,8-Diazabicyclo(5.4.0)undec-8-ene with Methyl 3,5-Dinitrobenzoate and 1,3,5-Trinitrobenzene.
-The initial reaction of DBU (II) with title compounds (I) and (V) gives the corresponding Meisenheimer complexes which undergo oxidation and ipso-displacement to form crimson 2-aminoindole derivatives (III) and (VI). -(SUTHERLAND, J. K.; Chem. Commun. (Cambridge) (1997) 3,
π SIMILAR VOLUMES
A Novel Reaction of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) or 1,5-Diazabicyclo[4.3.0]non-5
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Professor Gerhard Fritz zum 80. Geburtstag gewidmet Inhaltsu Γ bersicht. [Al(SiMe 3 ) 3 (OEt 2 )] reagiert mit DBU (DBU = 1,8-Diazabicyclo[5.4.0]undec-7-en) bei 0 Β°C zu [Al(SiMe 3 ) 3 (DBU)] (1). 1 wird spektroskopisch ( 1 H-, 13 C-, 29 Si-, 27 Al-NMR, IR, MS) und durch Ro Γ ntgenstrukturana-lyse (m