75622-12-7Relevant academic research and scientific papers
Metal-Free Dearomatization: Direct Access to Spiroindol(en)ines in Batch and Continuous-Flow
Ranjan, Prabhat,Ojeda, Gerardo M.,Sharma, Upendra K.,Van der Eycken, Erik V.
supporting information, p. 2442 - 2446 (2019/01/29)
A metal-free, phosphine-catalyzed intramolecular “umpolung Michael addition” on alkynes to form spiroindol(en)ines is reported. This nucleophilic catalysis enables the formation of a wide scope of five- and six-membered spiroindol(en)ines in moderate to excellent yields in batch as well as under continuous-flow conditions. Triphenylphosphine-catalyzed nucleophilic activation of alkynes allows the exclusive formation of exo-product under mild reaction conditions.
Synthesis of tetrahydro-β-carbolines via isomerization of N-allyltryptamines: A metal-catalyzed variation on the Pictet-Spengler theme
Ascic, Erhad,Hansen, Casper L.,Le Quement, Sebastian T.,Nielsen, Thomas E.
, p. 3345 - 3347 (2012/05/04)
An efficient and broadly applicable alternative to the classical Pictet-Spengler synthesis of tetrahydro-β-carbolines is presented. The method relies on metal-catalyzed isomerization of allylic amines to form reactive iminium intermediates which can be trapped by a tethered indole nucleophile. The Royal Society of Chemistry 2012.
Azepino [1,2,3-lm]-β-carboline compounds and pharmaceutical composition thereof
-
, (2008/06/13)
An azepino[1,2,3-lm]-β-carboline compound of the formula: STR1 wherein R1 is hydrogen, cycloalkyl of 3 to 7 carbon atoms, phenyl, hydroxy, alkoxycarbonyl of 2 or 3 carbon atoms or alkanoyl of 2 or 3 carbon atoms, and A is single bond or straigh
