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1

Paradigms and paradoxes: Mechanisms for possible enhanced biological activity of bilaterally symmetrical chemicals

Alexander Greer, Orrette R. Wauchope, Nicola S. Farina, Paul Haberfield, Joel F. Liebman

Journal:

Structural Chemistry

Year:

2006

Language:

english

File:

PDF, 260 KB

english, 2006

2

What's in a name: NaNO3

Haberfield, Paul

Journal:

Journal of Chemical Education

Year:

1985

Language:

english

File:

PDF, 1.49 MB

english, 1985

3

Molecular Bilateral Symmetry of Natural Products: Prediction of Selectivity of Dimeric Molecules by Density Functional Theory and Semiempirical Calculations

Voloshchuk, Tatyana, Farina, Nicola S., Wauchope, Orrette R., Kiprowska, Magdalena, Haberfield, Paul, Greer, Alexander

Journal:

Journal of Natural Products

Year:

2004

Language:

english

File:

PDF, 132 KB

english, 2004

4

Nitrous acid deamination of 1,1-disubstituted aromatic hydrazines

De Rosa, Michael, Haberfield, Paul

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 736 KB

english, 1981

5

The entropy of hydration and the anesthetic effectiveness of saligenins

Paul Haberfield

Journal:

Structural Chemistry

Year:

1990

Language:

english

File:

PDF, 290 KB

english, 1990

6

Phototropic molecules. 3. Complexation between alkali metal ions andtrans- andcis p,p′-bis(polyether) azobenzenes

Paul Haberfield, Thomas P. Rizzo

Journal:

Journal of Inclusion Phenomena and Macrocyclic Chemistry

Year:

1990

Language:

english

File:

PDF, 511 KB

english, 1990

7

Natural macrocyclic molecules have a possible limited structural diversity

Aaron T. Frank, Nicola S. Farina, Nahed Sawwan, Orrette R. Wauchope, Mo Qi, Edyta M. Brzostowska, Wang Chan, Frank W. Grasso, Paul Haberfield, Alexander Greer

Journal:

Molecular Diversity

Year:

2007

Language:

english

File:

PDF, 152 KB

english, 2007

8

10.1021/ja00891a025

Kornblum, Nathan, Seltzer, Raymond, Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1963

Language:

english

File:

PDF, 1.04 MB

english, 1963

9

Enthalpies, free energies, and entropies of transfer of phenols from nonpolar solvents to water

Haberfield, Paul, Kivuls, Juris, Haddad, Michael, Rizzo, Thomas

Journal:

Journal of Physical Chemistry

Year:

1984

Language:

english

File:

PDF, 534 KB

english, 1984

10

Electrophilic Substitution at Saturated Carbon. XIII. Solvent Control of Rate of Acid-Base Reactions that Involve the Carbon-Hydrogen Bond 1,2

Cram, Donald J., Rickborn, Bruce, Kingsbury, Charles A., Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1961

Language:

english

File:

PDF, 1.22 MB

english, 1961

11

Proximate charge effects. 4. Heats of reaction and enthalpies of solvent transfer of reactants and products in the deprotonation of 2-hydroxy-N,N,N-trimethylanilinium ion and 3-hydroxy-N-methyl-pyridinium ion

Haberfield, Paul

Journal:

Journal of Physical Chemistry

Year:

1983

Language:

english

File:

PDF, 527 KB

english, 1983

12

What is the energy difference between H2NCH2CO2H and +H3NCH2CO2-?

Haberfield, Paul

Journal:

Journal of Chemical Education

Year:

1980

Language:

english

File:

PDF, 1.73 MB

english, 1980

13

Proximate charge effects. 8. Ion pair formation as an assembly process in ester aminolysis

Haberfield, Paul, Cincotta, Joseph J.

Journal:

Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 681 KB

english, 1990

14

Enthalpies of solvent transfer of reactants and transition states in the Diels-Alder reaction

Haberfield, Paul., Ray, Apurba K.

Journal:

Journal of Organic Chemistry

Year:

1972

Language:

english

File:

PDF, 514 KB

english, 1972

15

Enthalpies of transfer of transition states in the Menshutkin reaction from a polar protic to a dipolar aprotic solvent

Haberfield, Paul, Nudelman, Abraham, Bloom, Allen, Romm, Richard, Ginsberg, Henry

Journal:

Journal of Organic Chemistry

Year:

1971

Language:

english

File:

PDF, 569 KB

english, 1971

16

Evidence against 1,2-migrations in aryl cations

Haberfield, Paul, Cardona, Claudia, Bell, Mark

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 275 KB

english, 1984

17

Proximate charge effects. 2. Enthalpies of solvent transfer in the choline-anhydrocholine equilibrium

Haberfield, Paul, Pessin, Jeffrey

Journal:

Journal of the American Chemical Society

Year:

1982

Language:

english

File:

PDF, 523 KB

english, 1982

18

Experimental method for estimating substituent effects on transition-state structure

Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1971

Language:

english

File:

PDF, 428 KB

english, 1971

19

Three-Dimensional Structure-Activity Analysis of a Series of Porphyrin Derivatives with Anti-HIV-1 Activity Targeted to the V3 Loop of the gp120 Envelope Glycoprotein of the Human Immunodeficiency Virus Type 1

Debnath, Asim Kumar, Jiang, Shibo, Strick, Nathan, Lin, Kang, Haberfield, Paul, Neurath, A. Robert

Journal:

Journal of Medicinal Chemistry

Year:

1994

Language:

english

File:

PDF, 2.28 MB

english, 1994

20

Selectivity of benzyne. New approach using the reaction of benzyne with ambident nucleophiles

Haberfield, Paul, Seif, Louis

Journal:

Journal of Organic Chemistry

Year:

1969

Language:

english

File:

PDF, 388 KB

english, 1969

21

Trapping the Single Electron Transfer Intermediate in an SN2 Reaction

Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1995

Language:

english

File:

PDF, 158 KB

english, 1995

22

Aqueous vs. gas-phase acidities of the haloacetic acids. Enthalpies of hydration of haloacetic acids and haloacetate ions

Haberfield, Paul, Rakshit, Animesh K.

Journal:

Journal of the American Chemical Society

Year:

1976

Language:

english

File:

PDF, 254 KB

english, 1976

23

Phototropic molecules. 1. Phase transfer as a method for detecting transient species

Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1987

Language:

english

File:

PDF, 284 KB

english, 1987

24

Chlorination of anilines. Bimolecular acid-catalyzed rearrangement of N-chloroanilines

Paul, Denis F., Haberfield, Paul.

Journal:

Journal of Organic Chemistry

Year:

1976

Language:

english

File:

PDF, 817 KB

english, 1976

25

Enthalpies of solvent transfer of the transition states in the cis-trans isomerization of azo compounds. Rotation vs. the nitrogen inversion mechanism

Haberfield, Paul, Block, Paul M., Lux, Michael S.

Journal:

Journal of the American Chemical Society

Year:

1975

Language:

english

File:

PDF, 325 KB

english, 1975

26

Solute-solvent interactions in the ground state and in electronic excited states. The dipolar aprotic to polar protic solvent blue shift of nitroaromatics

Haberfield, Paul, Lux, Michael S., Jasser, Ira, Rosen, Douglas

Journal:

Journal of the American Chemical Society

Year:

1979

Language:

english

File:

PDF, 383 KB

english, 1979

27

Anhydrocholine

Haberfield, Paul., Pessin, Jeffrey.

Journal:

Journal of Organic Chemistry

Year:

1976

Language:

english

File:

PDF, 261 KB

english, 1976

28

Proximate charge effects. 5. Enthalpies of solvent transfer of reactants and transition states in the saponification of betaine ethyl ester

Haberfield, Paul, Fortier, Daniel

Journal:

Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 502 KB

english, 1983

29

Carbonyl n .far. .pi.* solvent blue shift. Excited state solvation vs. ground state solvation

Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1974

Language:

english

File:

PDF, 249 KB

english, 1974

30

Electrophilic Substitution at Saturated Carbon. XII. Stereochemical Capabilities of Alkyl-substituted Acetonitrile Anions 1

Cram, Donald J., Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1961

Language:

english

File:

PDF, 648 KB

english, 1961

31

Excited-state solvation vs. ground-state solvation in the n .fwdarw. .pi.* solvent blue shift of ketones and azo compounds

Haberfield, Paul, Lux, Michael S., Rosen, Douglas

Journal:

Journal of the American Chemical Society

Year:

1977

Language:

english

File:

PDF, 420 KB

english, 1977

32

Enthalpies of transfer of SN2 and SNAr transition states from a protic to a dipolar aprotic solvent

Haberfield, Paul, Clayman, Lewis, Cooper, Jay S.

Journal:

Journal of the American Chemical Society

Year:

1969

Language:

english

File:

PDF, 237 KB

english, 1969

33

Additions and Corrections - Three-Dimensional Structure-Activity Analysis of a Series of Porphyrin Derivatives with Anti-HIV-1 Activity Targeted to the V3 Loop of the gp120 Envelope Glycoprotein of the Human Immunodeficiency Virus Type 1.

Debnath, Asim, Jiang, Shibo, Strick, Nathan, Lin, Kang, Haberfield, Paul, Neurath, A. Robert

Journal:

Journal of Medicinal Chemistry

Year:

1994

File:

PDF, 39 KB

1994

34

Experimental illustration of chemical principles in organic chemistry lectures

Haberfield, Paul

Journal:

Journal of Chemical Education

Year:

1972

Language:

english

File:

PDF, 1.37 MB

english, 1972

35

Electrophilic Substitution at Saturated Carbon. XI. Steric Course of the Basecatalyzed Decarboxylation Reaction 1

Cram, Donald J., Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1961

Language:

english

File:

PDF, 1.06 MB

english, 1961

36

The Chlorination of Anilines. Proof of the Existence of an N-Chloro Intermediate

Haberfield, Paul, Paul, Denis

Journal:

Journal of the American Chemical Society

Year:

1965

Language:

english

File:

PDF, 155 KB

english, 1965

37

Proximate charge effects. 3. Enthalpies of solvent transfer of reactants and transition states in the saponification of acetylcholine

Haberfield, Paul, Pessin, Jeffrey

Journal:

Journal of the American Chemical Society

Year:

1983

Language:

english

File:

PDF, 346 KB

english, 1983

38

Enhancement of saponificiation rates in aqueous dipolar solvents. Hydroxide ion solvation vs. transition state solvation

Haberfield, Paul, Friedman, Jacob, Pinkston, Margaret F.

Journal:

Journal of the American Chemical Society

Year:

1972

Language:

english

File:

PDF, 648 KB

english, 1972

39

Phototropic molecules. 2. A light-powered hydrogen-ion pump

Haberfield, Paul

Journal:

Journal of the American Chemical Society

Year:

1987

Language:

english

File:

PDF, 259 KB

english, 1987

40

Proximate charge effects. 6. Anion-cation-zwitterion triplets in solution

Haberfield, Paul, Cincotta, Joseph J.

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 623 KB

english, 1984

41

Mechanism of narcosis. Entropy of hydration of gaseous general anesthetics

Haberfield, Paul, Kivuls, Juris

Journal:

Journal of Medicinal Chemistry

Year:

1973

Language:

english

File:

PDF, 550 KB

english, 1973

42

Proximate charge effects. 7. Preassembly of reactants by electrostatic attraction

Haberfield, Paul, Cincotta, Joseph J.

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 310 KB

english, 1987

43

Solute-solvent interactions in the ground state and in electronic excited states. The dipolar aprotic to polar protic solvent blue shift of some anilines and phenols

Haberfield, Paul, Rosen, Douglas, Jasser, Ira

Journal:

Journal of the American Chemical Society

Year:

1979

Language:

english

File:

PDF, 436 KB

english, 1979

44

Rate of enhancement of S N2 reactions in dipolar aprotic solvents. The importance of transition-state solvation

Haberfield, Paul, Nudelman, Abraham, Bloom, Allen, Romm, Richard, Ginsberg, Henry, Steinherz, Peter

Journal:

Chemical Communications (London)

Year:

1968

Language:

english

File:

PDF, 146 KB

english, 1968

45

Synchronous displacement versus an addition?elimination mechanism in the nucleophilic displacement reaction of acyl halides

Haberfield, Paul, Trattner, Richard B.

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1971

Language:

english

File:

PDF, 243 KB

english, 1971

46

?- and ?-Aryl nitrenium ions

Haberfield, Paul, DeRosa, Michael

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1985

Language:

english

File:

PDF, 132 KB

english, 1985

47

ChemInform Abstract: AQUEOUS VS. GAS-PHASE ACIDITIES OF THE HALOACETIC ACIDS. ENTHALPIES OF HYDRATION OF HALOACETIC ACIDS AND HALOACETATE IONS

HABERFIELD, PAUL, RAKSHIT, ANIMESH K.

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 99 KB

1976

48

ChemInform Abstract: ENTHALPIES OF SOLVENT TRANSFER OF THE TRANSITION STATES IN THE CIS-TRANS ISOMERIZATION OF AZO COMPOUNDS, THE ROTATION VERSUS THE NITROGEN INVERSION MECHANISM

HABERFIELD, PAUL, BLOCK, PAUL M., LUX, MICHAEL S.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 106 KB

1975

49

ChemInform Abstract: VERGROESSERUNG DER VERSEIFUNGSGESCHWINDIGKEITEN IN WAESSRIGEN DIPOLAREN LOESUNGSMITTELN, SOLVATATION DES HYDROXID-IONS UND SOLVATATION DES UEBERGANGSZUSTANDES

HABERFIELD, PAUL, FRIEDMAN, JACOB, PINKSTON, MARGARET F.

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 140 KB

1972

50

ChemInform Abstract: EXPERIMENTELLE METHODE ZUR ABSCHAETZUNG VON SUBSTITUENTENEFFEKTEN AUF STRUKTUREN VON UEBERGANGSZUSTAENDEN

HABERFIELD, PAUL

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 131 KB

1971