BERNHARD WITKOP: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Heinrich Wieland Centennial: His Lifework and His Legacy Today

Bernhard Witkop

Journal:

Angewandte Chemie International Edition

Year:

1977

Language:

english

File:

PDF, 4.50 MB

english, 1977

2

Remembering Heinrich Wieland (1877–1957) portrait of an organic chemist and founder of modern biochemistry

Bernhard Witkop

Journal:

Medicinal Research Reviews

Year:

1992

Language:

english

File:

PDF, 4.75 MB

english, 1992

3

The Stereochemistry of the 1-Phenyl-1,2-propanediols and of α-Isoephedrine

Foltz, Calvin M., Witkop, Bernhard

Journal:

Journal of the American Chemical Society

Year:

1957

Language:

english

File:

PDF, 610 KB

english, 1957

4

On the Mechanism of Oxidation. I. A New Type of Peroxide Rearrangement Catalyzed by Acid

Witkop, Bernhard, Patrick, James B.

Journal:

Journal of the American Chemical Society

Year:

1951

Language:

english

File:

PDF, 585 KB

english, 1951

5

Paul Ehrlich and His Magic Bullets, Revisited

Bernhard Witkop

Journal:

Proceedings of the American Philosophical Society

Year:

1999

Language:

english

File:

PDF, 1.84 MB

english, 1999

6

Neuere Arbeiten über Pfeilgifte

Dr. rer. nat. Bernhard Witkop

Journal:

Angewandte Chemie

Year:

1942

Language:

german

File:

PDF, 980 KB

german, 1942

7

Die Alkaloide der Indol-Gruppe

Dr. Bernhard Witkop

Journal:

Angewandte Chemie

Year:

1943

Language:

german

File:

PDF, 1.04 MB

german, 1943

8

Umlagerungen in der Chemie der Aminosäuren und Peptide

Dr. Louis A. Cohen, Dr. Bernhard Witkop, Dr. H. Grünewald

Journal:

Angewandte Chemie

Year:

1961

Language:

german

File:

PDF, 1.63 MB

german, 1961

9

Nachweis von Cyclohexadienonen durch neuartige Spaltungsreaktionen von Photodimeren substituierter N-Chloracetyltyramine

Dr. Takeo Iwakuma, Prof. Dr. Osamu Yonemitsu, Dr. Nobuaki Kanamaru, Prof. Dr. Katsumi Kimura, Prof. Dr. Bernhard Witkop

Journal:

Angewandte Chemie

Year:

1973

Language:

german

File:

PDF, 205 KB

german, 1973

10

Heinrich Wieland hundert Jahre: Sein Werk und Vermächtnis heute

Bernhard Witkop

Journal:

Angewandte Chemie

Year:

1977

Language:

german

File:

PDF, 1.89 MB

german, 1977

11

Transient Cyclohexadienones by Novel Reversal Reactions from Cage Photodimers Derived from N-Chloroacetyltyramines

Dr. Takeo Iwakuma, Prof. Dr. Osamu Yonemitsu, Dr. Nobuaki Kanamaru, Prof. Dr. Katsumi Kimura, Prof. Dr. Bernhard Witkop

Journal:

Angewandte Chemie International Edition

Year:

1973

Language:

english

File:

PDF, 216 KB

english, 1973

12

Ein einfacher Zugang zu 1-Azaspiro[5.5]undecanen

Wolfgang Kißing, Bernhard Witkop

Journal:

European Journal of Inorganic Chemistry

Year:

1975

File:

PDF, 385 KB

1975

13

ChemInform Abstract: From the “Ordeal Bean” (Physostigma venenosum) to the Ordeal of Alzheimer′s Disease — Some of the Legacy of Percy Lavon Julian.

Bernhard Witkop

Journal:

Year:

1999

File:

PDF, 23 KB

1999

14

Warum heute noch Naturstoffchemie??

Bernhard Witkop

Journal:

Chemie in unserer Zeit

Year:

1971

Language:

german

File:

PDF, 10.68 MB

german, 1971

15

Total Synthesis and Electrophysiological Properties of Natural (−)-Perhydrohistrionicotoxin, its Unnatural (+)-Antipode and their 2-Depentyl Analogs

Kimio Takahashi, Bernhard Witkop, Arnold Brossi, Mohammed A. Maleque, Edson X. Albuquerque

Journal:

Helvetica Chimica Acta

Year:

1982

Language:

english

File:

PDF, 604 KB

english, 1982

16

Probes for a Regulatory Site on the Nicotinic Acetylcholine Receptor-Channel. Synthesis of (±)-7-Debutylperhydrohistrionicotoxin, (±)-2-Depentyl-7-debutylperhydrohistrionicotoxin, and their Analogues

Wieslaw Gessner, Kimio Takahashi, Bernhard Witkop, Arnold Brossi, Edson X. Albuquerque

Journal:

Helvetica Chimica Acta

Year:

1985

Language:

english

File:

PDF, 437 KB

english, 1985

17

Über die Giftstoffe des Knollenblätterpilzes. V. Zur Konstitution des Phalloidins

Heinrich Wieland, Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1940

Language:

german

File:

PDF, 663 KB

german, 1940

18

Über die Alkaloide aus Calebassen-Curare. IV

Heinrich Wieland, Karl Bähr, Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1941

Language:

german

File:

PDF, 1.29 MB

german, 1941

19

Die Konstitution einiger Derivate der Harmanreihe im Lichte ihrer UV-Spektren

Franziska Pruckner, Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1943

Language:

german

File:

PDF, 674 KB

german, 1943

20

Zur Konstitution des Yohimbins und seiner Abbauprodukte

Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1943

Language:

german

File:

PDF, 1.98 MB

german, 1943

21

Über den Abbau von Indol-Verbindungen durch Ozon

Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1944

Language:

german

File:

PDF, 677 KB

german, 1944

22

Gelenkte Oxydationen in der Indol-Reihe. II. Eine neue Reaktionsweise der Perbenzoesäure

Bernhard Witkop, Hildegard Fiedlerl

Journal:

European Journal of Organic Chemistry

Year:

1947

Language:

german

File:

PDF, 461 KB

german, 1947

23

Gelenkte Oxydationen in der Indol-Reihe. III. Die Einwirkung von Acetopersäure auf Indol-Verbindungen

Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1947

Language:

german

File:

PDF, 706 KB

german, 1947

24

Über die Alkaloide aus Calebassen-Curare. V

Heinrich Wieland, Bernhard Witkop, Karl Bähr

Journal:

European Journal of Organic Chemistry

Year:

1947

Language:

german

File:

PDF, 654 KB

german, 1947

25

Labile Stoffwechselprodukte V. Zur Biogenese Des Formiminoglycins Aus 4(5H)-Imidazolon

Kurt Freter, Jesse C. Rabinowitz, Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1957

Language:

german

File:

PDF, 688 KB

german, 1957

26

Über Den Mechanismus Der Brenzcatechin-Oxydase (Pyrocatechase)-Reaktion

Osamu Hayaishi, Arthur A. Patchett, Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1957

File:

PDF, 493 KB

1957

27

Froschgifte. Isolierung und Struktur von Pumiliotoxin C

John W. Daly, Takashi Tokuyama, Gerhard Habermehl, Isabella L. Karle, Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1969

File:

PDF, 324 KB

1969

28

Synthese von Pumiliotoxin C

Gerhard Habermehl, Hendrik Andres, Kazumoto Miyahara, Bernhard Witkop, John W. Daly

Journal:

European Journal of Organic Chemistry

Year:

1976

File:

PDF, 441 KB

1976

29

Photochemistry of conjugated nitrogen – carbonyl systems, 6. Photodimerization of 2,4-dioxotetrahydropyridines

Eisuke Sato, Reiko Todoriki, Yuichi Kanaoka, Judith L. Flippen, Isabella L. Karle, Bernhard Witkop

Journal:

European Journal of Organic Chemistry

Year:

1988

Language:

english

File:

PDF, 332 KB

english, 1988

30

Photochemistry of steroids

James A. Waters, Yoshikazu Kondo, Bernhard Witkop

Journal:

Journal of Pharmaceutical Sciences

Year:

1972

Language:

english

File:

PDF, 1001 KB

english, 1972

31

Peptides in health and disease: Retrospection and outlook

Bernhard Witkop

Journal:

Medicinal Research Reviews

Year:

1992

Language:

english

File:

PDF, 1.30 MB

english, 1992

32

Identification and characterization of natural and synthetic dihydroxyprolines

Filadelfo Irreverre, Bernhard Witkop

Journal:

Journal of Chromatography A

Year:

1969

Language:

english

File:

PDF, 155 KB

english, 1969

33

Synthese von (±)-Adalin

Edda Gössinger, Bernhard Witkop

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1980

File:

PDF, 529 KB

1980

34

Metabolism of Lysergic Acid Diethylamide

AXELROD, JULIUS, BRADY, ROSCOE O., WITKOP, BERNHARD, EVARTS, EDWARD V.

Journal:

Year:

1956

File:

PDF, 245 KB

1956

35

Selective N-methylations of heterocycles with dimethyloxosulfonium methylide

Witkop, Bernhard., Kunieda, Takehisa.

Journal:

Journal of Organic Chemistry

Year:

1970

Language:

english

File:

PDF, 295 KB

english, 1970

36

10.1021/ja01651a600

Goodwin, Sidney, Witkop, Bernhard

Journal:

Journal of the American Chemical Society

Year:

1954

Language:

english

File:

PDF, 644 KB

english, 1954

37

10.1021/ja01104a053

Kissman, Henry M., Witkop, Bernhard

Journal:

Journal of the American Chemical Society

Year:

1953

Language:

english

File:

PDF, 1.07 MB

english, 1953

38

10.1021/ja01558a050

Patchett, Arthur A., Witkop, Bernhard

Journal:

Journal of the American Chemical Society

Year:

1957

Language:

english

File:

PDF, 1.15 MB

english, 1957

39

10.1021/ja00868a043

Robertson, Alexander V., Francis, John E., Witkop, Bernhard

Journal:

Journal of the American Chemical Society

Year:

1962

Language:

english

File:

PDF, 969 KB

english, 1962

40

10.1021/ja01087a027

Sarges, Reinhard, Witkop, Bernhard

Journal:

Journal of the American Chemical Society

Year:

1965

Language:

english

File:

PDF, 1.26 MB

english, 1965

41

10.1021/ja01507a031

Lawson, William B., Patchornik, Abraham, Witkop, Bernhard

Journal:

Journal of the American Chemical Society

Year:

1960

Language:

english

File:

PDF, 815 KB

english, 1960

42

New demonstrations of the medium-size ring effect

James B. Patrick, Myron Rosenblum, Bernhard Witkop

Journal:

Cellular and Molecular Life Sciences

Year:

1950

Language:

english

File:

PDF, 119 KB

english, 1950

43

Chemical contributions to the mechanism of the biological oxidation of tryptophan

Arvid Ek, Henry Kissman, James B. Patrick, Bernhard Witkop

Journal:

Cellular and Molecular Life Sciences

Year:

1952

Language:

english

File:

PDF, 466 KB

english, 1952

44

New directions in the chemistry of natural products: The organic chemist as a pathfinder for biochemistry and medicine

Bernhard Witkop

Journal:

Cellular and Molecular Life Sciences

Year:

1971

Language:

english

File:

PDF, 2.51 MB

english, 1971

45

Some novel aspects of the chemistry of hydroxyindolenines

Bernhard Witkop, J. B. Patrick

Journal:

Cellular and Molecular Life Sciences

Year:

1950

Language:

english

File:

PDF, 286 KB

english, 1950

46

METHYLATION AND DEMETHYLATION IN RELATION TO THE IN VITRO METABOLISM OF MESCALINE

John Daly, Julius Axelrod, Bernhard Witkop

Journal:

Annals of the New York Academy of Sciences

Year:

1962

Language:

english

File:

PDF, 387 KB

english, 1962

47

MECHANISMS OF PHOTOREDUCTIONS AND HYDROGENOLYSIS OF PYRIMIDINE NUCLEOSIDES AND THEIR PHOTODIMERS

BERNHARD WITKOP

Journal:

Photochemistry and Photobiology

Year:

1968

Language:

english

File:

PDF, 538 KB

english, 1968

48

A Novel Chiral Microenvironmental Probe at the Active Site of Trypsin : Extrinsic Cotton Effects of Acyl-trypsin Possessing an Enantiomeric Pair of Chromophores

Hitoshi NAKAYAMA, Kazutaka TANIZAWA, Yuichi KANAOKA, Bernhard WITKOP

Journal:

Year:

1980

Language:

english

File:

PDF, 634 KB

english, 1980

49

10.1021/ja01114a023

Witkop, Bernhard, Patrick, James B.

Journal:

Journal of the American Chemical Society

Year:

1953

Language:

english

File:

PDF, 325 KB

english, 1953

50

2,4,5-Trimethylpyrrole-3-carboxylic acid esters of various alkaloids

Waters, James A., Creveling, Cyrus R., Witkop, Bernhard

Journal:

Journal of Medicinal Chemistry

Year:

1974

Language:

english

File:

PDF, 545 KB

english, 1974