Inventor

HAFFER GREGOR

DE36 patents

Patents

36 patents

US4970314ANov 13, 1990

Novel ergolinyl compounds nitrogen-substituted in the 8-position, useful for treating dopamine deficiency

SCHERING AG15 citations74

US4748248AMay 31, 1988

Process for the preparation of ergoline derivatives

SCHERING AG15 citations74

US4695635ASep 22, 1987

Process for the production of 2,3-dihydroergolines

SCHERING AG2 citations63

US4155923AMay 22, 1979

Process for the preparation of 17β-hydroxy-20-alkoxypregnane-21-oic acid derivatives

SCHERING AG2 citations63

US4077996AMar 7, 1978

Process for the preparation of trans-deca hydronaphthalene derivatives

SCHERING AG5 citations63

US4066674AJan 3, 1978

Process for the preparation of 1,3-oxygenated 8α-estratrienes and novel intermediates obtained therefrom

SCHERING AG6 citations63

US4024166AMay 17, 1977

Process for the preparation of 13β-alkyl-4-gonene-3,17-diones

SCHERING AG2 citations63

US4766128AAug 23, 1988

Optionally 11- to 13-substituted ergoline compounds useful as medicinal agents

SCHERING AG3 citations62

US4333928AJun 8, 1982

16 α-Alkyl steroids, their preparation, and pharmaceutical preparations thereof

SCHERING AG3 citations62

US4017545AApr 12, 1977

Process for the preparation of bicycloalkane derivatives

SCHERING AG5 citations62

US3960842AJun 1, 1976

Process for the preparation of 17β-oxalyl steroids

SCHERING AG3 citations62

US4644062AFeb 17, 1987

Process for the production of β-carbolines by dehydrogenation

SCHERING AG4 citations61

US4170518AOct 9, 1979

Microbiological conversion of sterol derivatives to 5-androsten-17-one derivatives and their use

SCHERING AG4 citations61

US4072716AFeb 7, 1978

Bicycloalkane derivatives

SCHERING AG2 citations61

US4178381ADec 11, 1979

C-homoestratrienes

SCHERING AG2 citations60

US5371000ADec 6, 1994

Process for the production of ergoline derivatives

SCHERING AG4 citations59

US4801714AJan 31, 1989

Process for the preparation of ergolinylthioureas

SCHERING AG0 citations52

US4524208AJun 18, 1985

Process for the preparation of lysergic acid esters

SCHERING AG0 citations52

US4298538ANov 3, 1981

16-Dimethylaminomethylene-3-methoxy-1,3,5-(10)-estratrien-17-one, a process for the preparation thereof and its use as a preparative intermediate

SCHERING AG1 citations52

US5329009AJul 12, 1994

Selective phenylation of 5-hydroxy-β-carboline derivatives

SCHERING AG0 citations51

US4202991AMay 13, 1980

Novel bicycloalkane derivatives and the production thereof

SCHERING AG0 citations51

US4108871AAug 22, 1978

Novel benzopyran derivatives

SCHERING AG0 citations51

US4051188ASep 27, 1977

Novel bicycloalkane derivatives and the production thereof

SCHERING AG0 citations51

US4032540AJun 28, 1977

Benzopyran derivatives

SCHERING AG1 citations51

US4012420AMar 15, 1977

9,10-Secoestrane derivatives and their production

SCHERING AG0 citations51

US4008253AFeb 15, 1977

Bicycloalkanes

SCHERING AG1 citations51

US4001302AJan 4, 1977

9,10-secoestrane derivatives and their production

SCHERING AG0 citations51

US3998847ADec 21, 1976

9,10-secoestrane derivatives and their production

SCHERING AG1 citations51

US3976701AAug 24, 1976

Process for the preparation of 9,10-secoestrane derivatives

SCHERING AG0 citations51

US3965124AJun 22, 1976

6,9-Oxido-9,10-secoestrane derivatives and method of synthesis

SCHERING AG1 citations51

US3962280AJun 8, 1976

Process for preparing benzopyran derivatives

SCHERING AG1 citations51

US5401854AMar 28, 1995

Process for the production of indole derivatives

SCHERING AG1 citations50

US5198553AMar 30, 1993

Process for the production of gramine derivatives

SCHERING AG1 citations46

HAFFER GREGOR

Patents

Process for the preparation of 2-bromo-8-ergolinyl compounds

Process for the production of b-carbolines

Process for the production ergoline derivatives

Novel ergolinyl compounds nitrogen-substituted in the 8-position, useful for treating dopamine deficiency

Process for the preparation of ergoline derivatives

Process for the production of 2,3-dihydroergolines

Process for the preparation of 17β-hydroxy-20-alkoxypregnane-21-oic acid derivatives

Process for the preparation of trans-deca hydronaphthalene derivatives

Process for the preparation of 1,3-oxygenated 8α-estratrienes and novel intermediates obtained therefrom

Process for the preparation of 13β-alkyl-4-gonene-3,17-diones

Optionally 11- to 13-substituted ergoline compounds useful as medicinal agents

16 α-Alkyl steroids, their preparation, and pharmaceutical preparations thereof

Process for the preparation of bicycloalkane derivatives

Process for the preparation of 17β-oxalyl steroids

Process for the production of β-carbolines by dehydrogenation

Microbiological conversion of sterol derivatives to 5-androsten-17-one derivatives and their use

Bicycloalkane derivatives

C-homoestratrienes

Process for the production of ergoline derivatives

Process for the preparation of ergolinylthioureas

Process for the preparation of lysergic acid esters

16-Dimethylaminomethylene-3-methoxy-1,3,5-(10)-estratrien-17-one, a process for the preparation thereof and its use as a preparative intermediate

Selective phenylation of 5-hydroxy-β-carboline derivatives

Novel bicycloalkane derivatives and the production thereof

Novel benzopyran derivatives

Novel bicycloalkane derivatives and the production thereof

Benzopyran derivatives

9,10-Secoestrane derivatives and their production

Bicycloalkanes

9,10-secoestrane derivatives and their production

9,10-secoestrane derivatives and their production

Process for the preparation of 9,10-secoestrane derivatives

6,9-Oxido-9,10-secoestrane derivatives and method of synthesis

Process for preparing benzopyran derivatives

Process for the production of indole derivatives

Process for the production of gramine derivatives