Inventor
LEIMGRUBER WILLY
21 patents
Patents
21 patentsUS3976639AAug 24, 1976
Intermediates for indoles
HOFFMANN LA ROCHE53 citations95
US4316847AFeb 23, 1982
Pyrroles and pyrrolidines
HOFFMANN LA ROCHE41 citations91
US4018884AApr 19, 1977
Fluorogenic materials and labeling techniques
HOFFMANN LA ROCHE44 citations91
US4073795AFeb 14, 1978
Synthesis of tryptophans
HOFFMANN LA ROCHE16 citations80
US3966791AJun 29, 1976
Preparation of dialkyl amino acrylonitrile
HOFFMANN LA ROCHE9 citations74
US4137404AJan 30, 1979
Synthesis of tryptophans
HOFFMANN LA ROCHE9 citations73
US4256641AMar 17, 1981
Novel syntheses of tryptophans
HOFFMANN LA ROCHE18 citations72
US4140697AFeb 20, 1979
Lower alkyl esters of α-formamido,α-carbalkoxy tryptophans
HOFFMANN LA ROCHE8 citations72
US4045487AAug 30, 1977
1-Dimethylamino-2,4-diphenyl-1-butene-3,4-dione
HOFFMANN LA ROCHE9 citations72
US4016212AApr 5, 1977
Process for the preparation of aldehydes
HOFFMANN LA ROCHE12 citations71
US3931288AJan 6, 1976
Alkyl esters of 4-chlorophenoxy-4-oxo-cycloalkyl-carboxylic acid
HOFFMANN LA ROCHE8 citations68
US3965141AJun 22, 1976
Process for producing dialkyl aminoacrylonitrile
HOFFMANN LA ROCHE2 citations63
US3937707AFeb 10, 1976
6-substituted 1-phenazinol 5,10-dioxide derivatives
HOFFMANN LA ROCHE3 citations63
US4198501AApr 15, 1980
Synthesis of tryptophans
HOFFMANN LA ROCHE4 citations62
US3969373AJul 13, 1976
Fluorogenic 2-oxy-3(2H)-furanone materials
HOFFMANN LA ROCHE5 citations61
US4238589ADec 9, 1980
Fluorogenic materials and labeling techniques
HOFFMANN LA ROCHE3 citations57
US3957826AMay 18, 1976
Spirolactone production
HOFFMANN LA ROCHE1 citations52
US4038289AJul 26, 1977
Certain 2-hydroxy-2,4-diaryl-3-furanones
HOFFMANN LA ROCHE0 citations51
US4139720AFeb 13, 1979
Process for the preparation of aldehydes
HOFFMANN LA ROCHE1 citations50
US4123464AOct 31, 1978
Process for the preparation of aldehydes
HOFFMANN LA ROCHE1 citations50
US4073811AFeb 14, 1978
Process for the preparation of aldehydes
HOFFMANN LA ROCHE1 citations50