P

Inventor

SCHUMACHER DORIS P

16 patents

Patents

16 patents
US5886171AMar 23, 1999

3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones

SCHERING CORP97 citations97
US5739321AApr 14, 1998

3-hydroxy γ-lactone based enantionselective synthesis of azetidinones

SCHERING CORP95 citations97
US5382673AJan 17, 1995

Process for preparing florfenicol, its analogs and oxazoline intermediates thereto

SCHERING CORP63 citations95
US4876352AOct 24, 1989

Pressurized fluorination of hydroxy alkyl groups

SCHERING CORP67 citations94
US4863931ASep 5, 1989

Antihistaminic fluoro substituted benzocycloheptapyridines

SCHERING CORP53 citations94
US6096883AAug 1, 2000

3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones

SCHERING CORP40 citations92
US5227494AJul 13, 1993

Process for preparing oxazoline compounds

SCHERING CORP47 citations91
US4731447AMar 15, 1988

Process for preparing piperidylidene dihydro-dibenzo(a,d)-cycloheptenes or aza-derivatives thereof

SCHERING CORP39 citations91
US6506767B1Jan 14, 2003

8-chloro-6,11-dihydro-11-(4-piperidylidine)-5H-benzo[5,6]cyclohepta[1-2-b] pyridine

SCHERING CORP32 citations87
US7071342B2Jul 4, 2006

Synthesis of 2-hydroxy-N,N-dimethyl-3-[ [2-[1 (R)-(5-methyl-2-furanyl)propyl]amino]-3,4-dioxo-1-cyclobuten-1-yl]aminobenzamide

SCHERING CORP5 citations72
US4873335AOct 10, 1989

3-phenethyl-2-benzene-amides or aza-derivatives thereof

SCHERING CORP8 citations72
US6875866B2Apr 5, 2005

Process for synthesis of D1 receptor antagonists

SCHERING CORP9 citations70
US4366309ADec 28, 1982

Derivatives of antibiotic AR-5 components

SCHERING CORP9 citations70
US7910775B2Mar 22, 2011

Synthesis of 2-Hydroxy-N,N-dimethyl-3-[[2-[[1(R)-(5-methyl-2-furanyl)propyl]amino]-3,4-dioxo-1-cyclobuten-1-yl]amino]benzamide

SCHERING CORP4 citations61
US7462740B2Dec 9, 2008

Synthesis of 2-hydroxy-n,n-dimethyl-3-[[2-[[1(r)-(5-methyl-2-furanyl)propyl]amino]-3,4-dioxo-1-cyclobuten-1-yl]amino]benzamide

SCHERING CORP4 citations61
US4740598AApr 26, 1988

Conversion of aristeromycin into cyclaradine

SCHERING CORP2 citations61