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1

Use of the ketel claisen rearrangement for the synthesis of cyclic sesquiterpenes containing quaternary centers. A formal synthesis of cuparene

Paul Francis Schuda, Steven J. Potlock, Herman Ziffer

Journal:

Year:

1987

Language:

english

File:

PDF, 585 KB

english, 1987

2

Molecular Vibrations of Quinones. III. Preparation and Infrared Spectra (Solution and Vapor) of p-Benzoquinone-d1, p-Benzoquinone-2,5-d2, p-Benzoquinone-2,6-d2, p-Benzoquinone-18O2, and p-Benzoquinone-d4-18O2

Ziffer, Herman, Charney, Elliot, Becker, Edwin D.

Journal:

The Journal of Chemical Physics

Year:

1965

Language:

english

File:

PDF, 594 KB

english, 1965

3

Effect of Hepatic Disease on Liver B-Complex Vitamin Titers

BAKER, HERMAN, FRANK, OSCAR, ZIFFER, HERMAN, GOLDFARB, STANLEY, LEEVY, CARROLL M., SOBOTKA, HARRY

Journal:

American Journal of Clinical Nutrition

Year:

1964

Language:

english

File:

PDF, 632 KB

english, 1964

4

ChemInform Abstract: Structure and Antimalarial Activity of Adducts of 11-Azaartemisinin with Conjugated Terminal Acetylenes.

Esther Katz, Jingyuan Ma, Dennis Kyle, Herman Ziffer

Journal:

Year:

2000

File:

PDF, 27 KB

2000

5

ChemInform Abstract: A New Synthetic Route to 10β-Alkyldeoxoartemisinins.

Jingyuan Ma, Esther Katz, Herman Ziffer

Journal:

Year:

2000

File:

PDF, 31 KB

2000

6

ChemInform Abstract: Acid Catalyzed Michael Additions to Artemisitene.

Jingyuan Ma, Everett Weiss, Dennis E. Kyle, Herman Ziffer

Journal:

Year:

2000

File:

PDF, 31 KB

2000

7

A new model to account for the order in which enantiomers of alkylarylcarbinols elute from a pirkle chiral HPLC column: Preparation, absolute stereochemistry, and chromatographic properties of (+)-1,2-benzocyclononen-3-ol and (+)-1,2-benzocyclodecen-3-ol

Yulin Hu, Herman Ziffer

Journal:

Year:

1991

Language:

english

File:

PDF, 697 KB

english, 1991

8

Further studies on the interaction of loperamide with capacitative calcium entry in Leukemic HL-60 cells

John W. Daly, Carol Camerini-Otero, Craig A. Shapiro, Jingyuan Ma, Herman Ziffer, Leykza Vélez, Jacquie L. Harper

Journal:

Drug Development Research

Year:

2006

Language:

english

File:

PDF, 204 KB

english, 2006

9

Synthesis and optical resolution of the neurotoxin 2-amino-3-([15N]-methylamino)propanoic acid (BMAA)

Yulin Hu, Herman Ziffer

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1990

Language:

english

File:

PDF, 208 KB

english, 1990

10

Synthesis of 14-[2H]arteether, an experimental antmalarial drug

Yulin Hu, Herman Ziffer

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1991

Language:

english

File:

PDF, 265 KB

english, 1991

11

Synthesis of 11-[3H]-arteether, an experimental antimalarial drug

Yu-Ming Pu, Herman Ziffer

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1993

Language:

english

File:

PDF, 262 KB

english, 1993

12

The absolute stereochemistry of several cis-dihydrodiols microbially produced from substituted benzenes

Herman Ziffer, Kuninbu Kabuto, D.T. Gibson, V.M. Kobal, Donald M. Jerina

Journal:

Year:

1977

Language:

english

File:

PDF, 587 KB

english, 1977

13

Synthesis and reactions of 11-azaartemisinin and derivatives

Daniel S. Torok, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 205 KB

english, 1995

14

Absolute stereochemistry of (+)-trans-1,2-dihydroxyacenaphthene, a mammalian metabolite of acenaphthylene

Mitsuru Imuta, Masaji Kasai, Herman Ziffer

Journal:

Bioorganic Chemistry

Year:

1985

Language:

english

File:

PDF, 234 KB

english, 1985

15

Microbial oxidation of the antimalarial drug arteether

Yulin Hu, Herman Ziffer, Guiying Li, Herman J.C. Yeh

Journal:

Bioorganic Chemistry

Year:

1992

Language:

english

File:

PDF, 425 KB

english, 1992

16

Molecular vibrations of quinones—I. Fermi resonance involving the carbonyl stretch in p-benzoquinone and its isotopic derivatives

Edwin D. Becker, Herman Ziffer, Elliot Charney

Journal:

Spectrochimica Acta

Year:

1963

Language:

english

File:

PDF, 497 KB

english, 1963

17

The spectrophotometric determination of complexing agent in a polynitroaromatic molecular compound

L.H. Klemm, J.W. Sprague, Herman Ziffer, B.I. Macgowan

Journal:

Analytica Chimica Acta

Year:

1958

Language:

english

File:

PDF, 285 KB

english, 1958

18

Gas chromatography-based method for assigning the configurations of allylic and benzylic alcohols and for determining their optical purities

Yulin Hu, Herman Ziffer

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 460 KB

english, 1989

19

Excited state properties of 3,4,5,6,7,8-hexahydronaphthalen-2(1H)-one

Paul S. Engel, Mary A. Schexnayder, William V. Phillips, Herman Ziffer, Jeffrey I. Seeman

Journal:

Tetrahedron Letters

Year:

1975

Language:

english

File:

PDF, 205 KB

english, 1975

20

Relative and absolute stereochemistry of diols obtained from microbial oxidation of 3-methylcyclohexene

Herman Ziffer, D.T. Gibson

Journal:

Tetrahedron Letters

Year:

1975

Language:

english

File:

PDF, 120 KB

english, 1975

21

Stereoselective oxidations of a β-methylglycal, anhydrodihydroartemisinin

Yu-Ming Pu, Boris Yagen, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 336 KB

english, 1994

22

The stereochemistry of the oxa-di-π-methane rearrangement

Jeffrey I. Seeman, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 191 KB

english, 1973

23

The role of α-cleavage in the photochemistry of a-homo-4a-cholestene-3-one structure revision of photoproducts

Jeffrey I. Seeman, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 208 KB

english, 1973

24

Photochemistry of 4,5,6,7-tetrahydroindan-2-one

Paul S. Engel, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 205 KB

english, 1969

25

Microbially mediated enantioselective hydrolysis of racemic acetates

Ken-ichi Kawai, Mitsuru Imuta, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 223 KB

english, 1981

26

A new route to N-Substituted 11-azaartemisinins

Belew Mekonnen, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 144 KB

english, 1997

27

A new synthetic route to 10β-alkyldeoxoartemisinins

Jingyuan Ma, Esther Katz, Herman Ziffer

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 187 KB

english, 1999

28

Preparation of 2(R) and 2(S) methyl-2-methylglycerates

Juan B. Rodríguez, Sanford P. Markey, Herman Ziffer

Journal:

Tetrahedron: Asymmetry

Year:

1993

Language:

english

File:

PDF, 524 KB

english, 1993

29

Acid catalyzed michael additions to artemisitene

Jingyuan Ma, Everett Weiss, Dennis E. Kyle, Herman Ziffer

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2000

Language:

english

File:

PDF, 102 KB

english, 2000

30

Structure and antimalarial activity of adducts of 11-azaartemisinin with conjugated terminal acetylenes

Esther Katz, Jingyuan Ma, Dennis Kyle, Herman Ziffer

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1999

Language:

english

File:

PDF, 172 KB

english, 1999

31

Synthesis and antimalarial activities of base-catalyzed adducts of 11-azaartemisinin

Belew Mekonnen, Everett Weiss, Esther Katz, Jingyuan Ma, Herman Ziffer, Dennis E Kyle

Journal:

Bioorganic & Medicinal Chemistry

Year:

2000

Language:

english

File:

PDF, 171 KB

english, 2000

32

Vitamin B12 Distribution between Plasma and Cells

BAKER, HERMAN, PASHER, INEZ, SOBOTKA, HARRY, HUTNER, S. H., AARONSON, SHELDON, ZIFFER, HERMAN

Journal:

Year:

1957

File:

PDF, 234 KB

1957

33

Syntheses and Antimalarial Activities of 10-Substituted Deoxoartemisinins

Ma, Jingyuan, Katz, Esther, Kyle, Dennis E., Ziffer, Herman

Journal:

Journal of Medicinal Chemistry

Year:

2000

Language:

english

File:

PDF, 65 KB

english, 2000

34

The effect of antigen injections on skin reactivity to antigens

George A. Sprecace, Stanley G. Pomper, William B. Sherman, Arthur Lemlich, Herman Ziffer

Journal:

Journal of Allergy (-1970 Elsevier Science)

Year:

1966

Language:

english

File:

PDF, 2.95 MB

english, 1966

35

Tandem silica gel-catalysed rearrangements and subsequent Baeyer?Villiger reactions of artemisinin derivatives

Yagen, Boris, Pu, Yu Ming, Yeh, Herman J. C., Ziffer, Herman

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1994

Language:

english

File:

PDF, 562 KB

english, 1994

36

On the absolute stereochemistries of (-)-benzocyclohepten-3-ol, (-)-2,3,4,5-tetrahydro-1-benzoxepin-5-ol, and (-)-benzocycloocten-3-ol

Kasai, Masaji, Ziffer, Herman

Journal:

Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 537 KB

english, 1983

37

Microbially mediated enantioselective ester hydrolyses utilizing Rhizopus nigricans. A new method of assigning the absolute stereochemistry of acyclic 1-arylalkanols

Ziffer, Herman, Kawai, Kenichi, Kasai, Masaji, Imuta, Mitsuru, Froussios, Cleanthis

Journal:

Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 676 KB

english, 1983

38

Cotton Effects of α,β-Unsaturated Carboxylic Acids 1

Weiss, Ulrich, Ziffer, Herman

Journal:

Journal of Organic Chemistry

Year:

1963

Language:

english

File:

PDF, 478 KB

english, 1963

39

Photochemical 2 + 2 cycloaddition of arenecarboxylic acid esters to furans and 1,3-dienes. 2 + 2 Cycloreversion of oxetanes to dienol esters and ketones

Cantrell, Thomas S., Allen, Andrew C., Ziffer, Herman

Journal:

Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 806 KB

english, 1989

40

Stereochemical dependence of the sign and magnitude of coupling constants on geometry in nitrogen-15 (E)- and (Z)-aldimines

Yeh, Herman J. C., Ziffer, Herman., Jerina, Donald M., Boyd, Derek R.

Journal:

Journal of the American Chemical Society

Year:

1973

Language:

english

File:

PDF, 410 KB

english, 1973

41

CALF JEJUNUM AND FOLATE ABSORPTION

Baker, Herman, Frank, Oscar, Feingold, Susan, Ziffer, Herman, Cintrón-Rivera, A.A.

Journal:

Year:

1968

Language:

english

File:

PDF, 172 KB

english, 1968

42

2-Amino-3-(methylamino)propanoic acid (BMAA) bioavailability in the primate

Duncan, Mark W., Markey, Sanford P., Weick, Barton G., Pearson, Philip G., Ziffer, Herman, Hu, Yulin, Kopin, Irwin J.

Journal:

Neurobiology of Aging

Year:

1992

Language:

english

File:

PDF, 475 KB

english, 1992

43

Investigation by two-dimensional NMR of the structure and stereochemistry of a methyl p-nitrocinnamate photodimer

Ziffer, Herman, Bax, Ad, Highet, Robert J., Green, Bernard

Journal:

Journal of Organic Chemistry

Year:

1988

Language:

english

File:

PDF, 272 KB

english, 1988

44

Structure and stereochemistry of condensation products from 1-morpholino-1-cycloheptene and methyl vinyl ketone

Silverton, J. V., Ziffer, Michelle, Ziffer, Herman

Journal:

Journal of Organic Chemistry

Year:

1979

Language:

english

File:

PDF, 427 KB

english, 1979

45

Effect of ring size and methyl substituents on lithium bromide-catalyzed rearrangements of aryloxiranes

Banks, Harold, Ziffer, Herman

Journal:

Journal of Organic Chemistry

Year:

1982

Language:

english

File:

PDF, 664 KB

english, 1982

46

Additions and Corrections - Structure and Stereochemistry of Condensation Products from 1-Morpholino-1-cycloheptene and Methyl Vinyl Ketone.

Silverton, J., Ziffer, Michelle, Ziffer, Herman

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 120 KB

english, 1980

47

Chemical ionization mass spectrometry of complex molecules. III. Structure of the photodimers of cyclic .alpha.,.beta.-unsaturated ketones

Ziffer, Herman., Fales, Henry M., Milne, George W. A., Field, F. H.

Journal:

Journal of the American Chemical Society

Year:

1970

Language:

english

File:

PDF, 375 KB

english, 1970

48

ULTRAVIOLET ABSORPTION SPECTRA OF SOME VINYLNAPHTHALENES AND RELATED AROMATIC HYDROCARBONS 1, 2, 3

KLEMM, L. H., ZIFFER, HERMAN., SPRAGUE, J. W., HODES, WILLIAM.

Journal:

Journal of Organic Chemistry

Year:

1955

Language:

english

File:

PDF, 590 KB

english, 1955

49

Preparation and absolute stereochemistry of isomeric pyridylethanols and threo-di(2-pyridyl)ethanediol

Imuta, Mitsuru, Ziffer, Herman

Journal:

Journal of Organic Chemistry

Year:

1978

Language:

english

File:

PDF, 397 KB

english, 1978

50

Enzymic hydration of 8,9-indan oxide. Homoallylic addition of water

Daly, John W., Jerina, Donald M., Ziffer, Herman., Witkop, Bernhard., Klaerner, F. G., Vogel, E.

Journal:

Journal of the American Chemical Society

Year:

1970

Language:

english

File:

PDF, 265 KB

english, 1970