Synthesis of 2,3-Dihydroindoles, Indoles, and Anilines by Transition Metal-Free Amination of Aryl Chlorides
作者:Matthias Beller、Claudia Breindl、Thomas H. Riermeier、Annegret Tillack
DOI:10.1021/jo001544m
日期:2001.2.1
and 3-chlorostyrene in the presence of potassium tert-butoxide to give N-substituted 2,3-dihydroindoles in good yields. The combination of this domino-amination protocol with a suitable dehydrogenation reaction gives access to pharmacologically interesting indoles in a one-pot procedure. Overall product yields of N-substituted indoles >50% are obtained by this method starting from commercially available
Verfahren zur Herstellung von 2,3-Dihydroindolen (Indolinen), neuartige 2,3-Dihydroindole sowie deren Verwendung
申请人:Aventis Research & Technologies GmbH & Co KG
公开号:EP1004579A1
公开(公告)日:2000-05-31
Verfahren zur Herstellung von 2,3-Dihydroindolen der allgemeinen Formel (I)
durch Umsetzung von Halogenstyrolen der allgemeinen Formel (IIa) oder (IIb)
mit Aminen der allgemeinen Formel (III)
R1-NH2 (III)
in mindestens einem inerten Lösungsmittel oder in Wasser sowie in Gegenwart mindestens einer Base.
Process for the preparation of 2,3-Dihydroindoles (indolines), novel 2,3-dihydroindoles, and their use
申请人:Aventis Research & Technologies GmbH & Co. KG
公开号:US06297270B1
公开(公告)日:2001-10-02
A process for the preparation of 2,3-dihydroindoles of the formula (I)
by reaction of halostyrenes of the formula (IIa) or (IIb)
with amines of the formula (III)
R1—NH2 (III)
in at least one inert solvent or in water, and in the presence of at least one base.