-
公开(公告)号:DE4344211A1
公开(公告)日:1995-06-29
申请号:DE4344211
申请日:1993-12-23
Applicant: BASF AG
-
公开(公告)号:DE4407985A1
公开(公告)日:1994-09-22
申请号:DE4407985
申请日:1994-03-10
Applicant: BASF AG
Inventor: ADAM GEO DR , MUNDINGER KLAUS DR
IPC: C07C51/373 , C07C67/313 , C07C69/738 , C07C59/84 , C07C67/303
Abstract: Process for the preparation of benzylpyruvic acids and their esters of the general formula I in which R represents hydrogen, an aliphatic, cycloaliphatic or aromatic radical, X represents an inert substituent and n can denote 0 to 5, it being possible for the substituents X to be different if n > 1, by reacting alpha -hydroxy- beta , gamma -unsaturated carboxylic acids or their esters of the general formula II in the presence of noble metals of Groups 8 to 10 of the Periodic Table to give I.
-
公开(公告)号:DE4308078A1
公开(公告)日:1994-09-15
申请号:DE4308078
申请日:1993-03-13
Applicant: BASF AG
Inventor: RIECHERS HARTMUT DR , ADAM GEO DR , MUENTER KLAUS DR , HAFNER MATHIAS DR
IPC: C07C237/22 , C07C317/44 , C07D295/215 , A61K31/195 , C07C315/04
-
公开(公告)号:DE4243030A1
公开(公告)日:1994-06-23
申请号:DE4243030
申请日:1992-12-18
Applicant: BASF AG
Inventor: RITTER KURT DR , ADAM GEO DR , HELMCHEN GUENTER PROF DR , SPRINZ JUERGEN
IPC: B01J31/18 , B01J31/22 , C07C67/343 , C07F9/653 , C07F9/6539 , C07F9/6558 , C07F15/00 , C07D207/20 , C07D233/20 , C07D263/10 , C07D277/10 , C07D403/04 , C07D405/04 , C07D409/04 , C07D413/04 , C07D417/04 , C07F9/6506
Abstract: New cyclic imine derivs useful as ligands for complexing metals are of formula (I). A= O, S, CR4R5 or NR6; B= an opt inertly substd 1-3C bridging gp, opt forming part of a ring system, opt including X when X= NR4; m= 0-4; n= 0 or 1; R1 = 1-8C alkyl (opt interrupted by O or S atoms), 3-7C cycloalkyl, 1-6C aminoalkyl, 6-10C aryl (opt with inert substits), 7-10C aralkyl, p-methoxybenzyl and/or Y; Y= the residue of a natural aminoacid of formula YCH(NH2)COOH; R2 and R3= 1-8C alkyl, 3-7C cycloalkyl, 1-5C perfluoroalkyl, 1-6C alkoxy, 4-7C cycloalkoxy, 2-10C dialkylamino or 6-10C aryl, these gps opt being linked to form a ring and opt bearing inert substits; R4 and R5= H, 1-4C alkyl, 1-4C alkoxy, Ph or CH2Ph; R6= R4, COOR7 or SOOR7; R7= 1-4C alkyl, Ph, tolyl or CH2Ph; X= O or NR4; Z= N, P, As or Sb. Also claimed are transition metal complexes of formula (II). D= a non-coordinating anion; L= an organic ligand; M= a transition metal; p and q= 0-4.
-
-
-