Abstract
Diphenylphosphate catalyzes the metal-free redn. of ketimines under hydrogen-transfer conditions with Hantzsch dihydropyridine as the hydrogen source. The asym. variant of this procedure using 1 mol % of a chiral BINOL-phosphate I as catalyst is reported. [on SciFinder(R)]
| Original language | English (US) |
|---|---|
| Title of host publication | Metal-free Bronsted acid catalyzed transfer hydrogenation: enantioselective synthesis of tetrahydroquinolines. |
| Number of pages | 7 |
| State | Published - 2007 |
| Externally published | Yes |
Keywords
- chiral BINOL phosphate catalyst Hantzsch dihydropy
- diphenylphosphate catalyst Hantzsch dihydropyridin
- tetrahydroquinoline stereoselective prepn