Inventor
TANN CHOU-HONG
US14 patents
Patents
14 patentsUS6207822B1Mar 27, 2001
Process for the synthesis of azetidinones
SCHERING CORP163 citations98
US6093812AJul 25, 2000
Process for the stereospecific synthesis of azetidinones
SCHERING CORP61 citations95
US5616742AApr 1, 1997
Process for preparing Δ9,11 and 21-chloro corticosteroids
SCHERING CORP47 citations95
US5306817AApr 26, 1994
Process for the stereospecific synthesis of azetidinones
SCHERING CORP92 citations95
US6627757B2Sep 30, 2003
Enantioselective synthesis of azetidinone intermediate compounds
SCHERING CORP62 citations94
US5750745AMay 12, 1998
Process for preparing delta 9, 11 and 21-chlorocorticosteroids
SCHERING CORP18 citations92
US5561227AOct 1, 1996
Process for the stereospecific synthesis of azetidinones
SCHERING CORP58 citations92
US5502222AMar 26, 1996
Process for preparing delta 9,11 and 21-chloro corticosteroids
SCHERING CORP22 citations92
US5728827AMar 17, 1998
Process for the synthesis of azetidinones
SCHERING CORP59 citations91
US5886200AMar 23, 1999
Process for the preparation of 17-esters of 9 α, 21-dihalo-pregnane-11 β, 17 α-diol-20-ones
SCHERING CORP43 citations89
US5442047AAug 15, 1995
Process for preparing isepamicin
SCHERING CORP10 citations73
US4831123AMay 16, 1989
Process for preparing netilmicin
SCHERING CORP6 citations62
US5539121AJul 23, 1996
2-formylmercaptobenzothiazole
SCHERING CORP0 citations51
US5283359AFeb 1, 1994
Process for preparing albuterol, acetal, hemi-acetal, and hydrates of arylglyoxal intermediates thereof
SCHERING CORP1 citations50