US 7,579,484 B2
Method for the production of monoalkylamino ketones
Kai Fabian, Wilhelmsfeld (Germany); Claus-Peter Niesert, Seeheim-Jugenheim (Germany); Joachim Kralik, Darmstadt (Germany); and Karl-Heinz Glüsenkamp, Essen (Germany)
Assigned to Merck Patent GmbH, Darmstadt (Germany)
Appl. No. 10/525,820
PCT Filed Aug. 01, 2003, PCT No. PCT/EP03/08514
§ 371(c)(1), (2), (4) Date Feb. 25, 2005,
PCT Pub. No. WO2004/020391, PCT Pub. Date Mar. 11, 2004.
Claims priority of application No. 102 40 026 (DE), filed on Aug. 27, 2002.
Prior Publication US 2006/0122405 A1, Jun. 08, 2006
Int. Cl. C07D 333/06 (2006.01); C07D 333/26 (2006.01); C07D 307/36 (2006.01); C07D 307/46 (2006.01); C07D 307/56 (2006.01)
U.S. Cl. 549—72  [549/498] 17 Claims
 
1. A monoalkylaminoketone compound of the formula I

OG Complex Work Unit Drawing
in which
R1 denotes a thienyl or furyl radical which is unsubstituted or mono- or polysubstituted by R3 and/or R4, provided that R1 is not 3-thienyl substituted by both R3 and R4 where both R3 and R4 are methyl,
R2 denotes alkyl having 1-20 C atoms,
R3, R4 each, independently of one another, denote H, alkyl or alkoxy having 1-20 C atoms, aryl, aryloxy or COOR2, F, Br, OH, CN, NO2, N(R2)2 or NHCOR2,
or a salt thereof.