Freyer, Alan.: search on Z-Library

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

Don't use scam websites

1

The inophyllums, novel inhibitors of HIV-1 reverse transcriptase isolated from the Malaysian tree, Calophyllum inophyllum Linn

Patil, Ashok D., Freyer, Alan J., Eggleston, Drake S., Haltiwanger, R. Curtis, Bean, Mark F., Taylor, Paul B., Caranfa, Mary Jo, Breen, Ann L., Bartus, Henry R.

Journal:

Journal of Medicinal Chemistry

Year:

1993

Language:

english

File:

PDF, 1.02 MB

english, 1993

2

Haplomyrtin and (−)-haplomyrfolin: two lignans from haplophyllum myrtifolium

Umran Evcim, Belkis Gōzler, Alan J. Freyer, Maurice Shamma

Journal:

Year:

1986

Language:

english

File:

PDF, 287 KB

english, 1986

3

Structural variations among the aporphine-benzylisoquinoline dimers

Hélène Guinadeau, Alan J. Freyer, Robert D. Minard, Maurice Shamma, Kemal Hüsnü Can Başer

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 246 KB

english, 1982

4

The Tetracyclic Erythrina Alkaloids

Amer, Masouda E., Shamma, Maurice, Freyer, Alan J.

Journal:

Journal of Natural Products

Year:

1991

Language:

english

File:

PDF, 1.15 MB

english, 1991

5

Seven New Aporphine-Benzylisoquinoline Alkaloids from Thalictrum cultratum

Hussain, S. Fazal, Freyer, Alan J., Guinaudeau, Hélène, Shamma, Maurice, Siddiqui, M. Tariq

Journal:

Journal of Natural Products

Year:

1986

Language:

english

File:

PDF, 359 KB

english, 1986

6

Rearrangement of Epoxynitriles: A Convenient Homologation of Acyclic and Cyclic Ketones to Carboxylic Acids

Badham, Neil F., Mendelson, Wilford L., Allen, Andrew, Diederich, Ann M., Eggleston, Drake S., Filan, John J., Freyer, Alan J., Killmer,, Lewis B., Kowalski, Conrad J., Liu, Li, Novack, Vance J., Vogt

Journal:

Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 72 KB

english, 2002

7

Three Novel Glycodienoid Alkaloids from Erythrina lysistemon

Amer, Masouda E., El-Masry, Sawsan, Shamma, Maurice, Freyer, Alan J.

Journal:

Journal of Natural Products

Year:

1991

Language:

english

File:

PDF, 343 KB

english, 1991

8

Nine Bisbenzylisoquinoline Alkaloids from Thalictrum cultratum

Herath, Wasala H. M. W., Hussain, S. Fazal, Freyer, Alan J., Guinaudeau, Hélène, Shamma, Maurice

Journal:

Journal of Natural Products

Year:

1987

Language:

english

File:

PDF, 354 KB

english, 1987

9

A New Cycloartanol Sulfate from the Green Alga Tuemoya Sp.: An Inhibitor of VZV Protease

Patil, Ashok D., Freyer, Alan J., Killmer, Lew, Breen, Ann, Johnson, Randall K.

Journal:

Natural Product Letters

Year:

1997

Language:

english

File:

PDF, 290 KB

english, 1997

10

5-Methoxymethyl-2-furaldehyde: A Natural Furanoid from Jaborosa Magellanica (Solanaceae) 5-Methoxymethyl-furfural: ein natürliches Furanoid aus Jaborosa magellanica (Colanaceae)

Federico Podesta, Victor Fajardo, Alan J. Freyer, Maurice Shamma

Journal:

Archiv der Pharmazie

Year:

1988

Language:

english

File:

PDF, 105 KB

english, 1988

11

The degenerate Cope Rearrangement in 2,6-Barbaralanedicarbonitrile

Lloya M. Jackman, Gazanfer Ibar, Alan J. Freyer, Yvonne Görlach, Helmut Quast

Journal:

European Journal of Inorganic Chemistry

Year:

1984

Language:

english

File:

PDF, 372 KB

english, 1984

12

Synthese, Struktur und Cope-Umlagerung einiger 3,7-Dicyan-1,5-dimethylsemibullvalene

Helmut Quast, Yvonne Görlach, Eva-Maria Peters, Karl Peters, Hans Georg von Schnering, Lloyd M. Jackman, Gazanfer Ibar, Alan J. Freyer

Journal:

European Journal of Inorganic Chemistry

Year:

1986

File:

PDF, 1.89 MB

1986

13

3,7-Dicyan-2,6-dimethoxy-1,5-dimethylsemibullvalen

Helmut Quast, Christian A. Klaubert, Lloyd M. Jackman, Alan J. Freyer

Journal:

European Journal of Inorganic Chemistry

Year:

1988

File:

PDF, 673 KB

1988

14

ChemInform Abstract: Sciaferine and N-Formylanolobine, Two New Aporphine Alkaloids from the Neutral Fraction of Sciadotenia toxifera.

Alan J. Freyer, Lew B. Killmer, Mary D. Menachery, Alan J. Kanouff

Journal:

Year:

1999

File:

PDF, 25 KB

1999

15

ChemInform Abstract: Cavanine, a Novel α-Hydroxybisbenzylisoquinoline Alkaloid from Sciadotenia toxifera (Krukoff and A. C. Smith).

Mary D. Menachery, Eric W. Stern, Richard J. Steinbeiser, Alan J. Freyer, Lew B. Killmer

Journal:

Year:

2000

File:

PDF, 27 KB

2000

16

ChemInform Abstract: Pyrido[1,2-a]quinoxalines: Synthesis, Crystal Structure Determination and pH-Dependent Fluorescence.

Kevin J. Duffy, R. Curtis Haltiwanger, Alan J. Freyer, Florence Li, Juan I. Luengo, Hung-Yuan Cheng

Journal:

Year:

2002

File:

PDF, 27 KB

2002

17

Characterization of dinitrobenzimidazoles using NOE difference and heterocorrelated NMR

Alan J. Freyer, Robin A. Nissan, William S. Wilson

Journal:

Magnetic Resonance in Chemistry

Year:

1993

Language:

english

File:

PDF, 331 KB

english, 1993

18

Improved methods for 1H–3H heteronuclear shift correlation

Frederick G. Vogt, Alan J. Freyer, Sidney H. Levinson, Arthur Y. L. Shu, J. Richard Heys

Journal:

Magnetic Resonance in Chemistry

Year:

2005

Language:

english

File:

PDF, 393 KB

english, 2005

19

The isoindolobenzazepine alkaloids

Emir Valencia, Inge Weiss, Sadiqa Firdous, Alan J. Freyer, Maurice Shamma, Alejandro Urzús, Victor Fajardo

Journal:

Year:

1984

Language:

english

File:

PDF, 399 KB

english, 1984

20

Synthesis of the tricyclic portions of batzelladines A, B and D. Revision of the stereochemistry of batzelladines A and D

Barry B Snider, Jinsheng Chen, Ashok D Patil, Alan J Freyer

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 277 KB

english, 1996

21

The protoberberine alkaloids of Stephania suberosa

Amarendra Patra, Craig T. Montgomery, Alan J. Freyer, Hélène Guinaudeau, Maurice Shamma, Bamrung Tantisewie, Kalaya Pharadai

Journal:

Year:

1987

Language:

english

File:

PDF, 347 KB

english, 1987

22

2,5-diaryl-3,4-dimethyltetrahydrofuranoid lignans

Alejandro Urzúa, Alan J. Freyer, Maurice Shamma

Journal:

Year:

1987

Language:

english

File:

PDF, 284 KB

english, 1987

23

(−)-aristotetralone: A 4-aryltetralone from Aristolochia chilensis

Alejandro Urzua, Alan J. Freyer, Maurice Shamma

Journal:

Year:

1987

Language:

english

File:

PDF, 216 KB

english, 1987

24

Bisbenzylisoquinoline alkaloids from Cocculus pendulus

Helene Guinaudeau, Mohammed Bashir, Marc D. Colton, Alan J. Freyer, Maurice Shamma, Kishwar Jehan, Aisha Nilofar, Atta-ur-Rahman

Journal:

Year:

1987

Language:

english

File:

PDF, 250 KB

english, 1987

25

Pentathiepins and trithianes from two Lissoclinum species and a Eudistoma sp.: inhibitors of protein kinase C

Reinaldo S. Compagnone, D.John Faulkner, Brad K. Carté, George Chan, Alan Freyer, Mark E. Hemling, Glenn A. Hofmann, Michael R. Mattern

Journal:

Year:

1994

File:

PDF, 389 KB

1994

26

The stereochemistry of reduced proaporphines

Hélène Guinaudeau, Alan J. Freyer, Maurice Shamma

Journal:

Year:

1987

Language:

english

File:

PDF, 336 KB

english, 1987

27

New proaporphine alkaloids from roemeria hybrida

Belkis Gözler, Tekant Gözler, I. Ergün Mete, Alan J. Freyer, Hélène Guinaudeau, Maurice Shamma

Journal:

Year:

1987

Language:

english

File:

PDF, 355 KB

english, 1987

28

(+)-Jaborol, an unusual phenolic withanolide from jaborosa magellanica

Victor Fajardo, Alan J. Freyer, Robert D. Minard, Maurice Shamma

Journal:

Year:

1987

Language:

english

File:

PDF, 277 KB

english, 1987

29

The alkaloidal profile of cocculus pendulus

S. Fazal Hussain, Lajber Khan, Hélène Guinaudeau, John E. Leet, Alan J. Freyer, Maurice Shamma

Journal:

Year:

1984

Language:

english

File:

PDF, 462 KB

english, 1984

30

A new subgroup of bisbenzylisoquinoline alkaloids: (+)-cycleatjehenine and (+)-cycleatjehine

Bamrung Tantisewie, Kalaya Pharadai, Suratana Amnauypol, Alan J. Freyer, Helene Guinaudeau, Maurice Shamma

Journal:

Year:

1990

Language:

english

File:

PDF, 384 KB

english, 1990

31

Enzymic control of stereochemistry among the Thalictrum bisbenzylisoquinoline alkaloids

Hélène Guinaudeau, Alan J. Freyer, Maurice Shamma, Kemal Hüsnü Can Başer

Journal:

Year:

1984

Language:

english

File:

PDF, 540 KB

english, 1984

32

Konyanin: a new lignan from hapuophyllum vulcaniclm

Tekant Gözler, Belkis Gözler, Amarendra Patra, John E. Leet, Alan J. Freyer, Maurice Shamma

Journal:

Year:

1984

Language:

english

File:

PDF, 407 KB

english, 1984

33

Pulcherrimins A – D, novel diterpene dibenzoates from Caesalpinia pulcherrima with selective activity against DNA repair-deficient yeast mutants

Ashok D. Patil, Alan J. Freyer, R. Lee Webb, Gary Zuber, Rex Reichwein, Mark F. Bean, Leo Faucette, Randall K. Johnson

Journal:

Year:

1997

Language:

english

File:

PDF, 551 KB

english, 1997

34

A new class of isoquinoline alkaloids: The proaporphine-tryptamine dimers

Belkis Gözler, Alan J. Freyer, Maurice Shamma

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 231 KB

english, 1989

35

Generation and intramolecular cationic cyclizations of N-tosylimines derived from enolizable aldehydes

Michael J. Melnick, Alan J. Freyer, Steven M. Weinreb

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 182 KB

english, 1988

36

Limogine and himalayamine: A new class of alkaloids

Daovi P. Allais, Hélène Guinaudeau, Alan J. Freyer, Maurice Shamma, Nemai C. Ganguli, Bani Talapatra, Sunil K. Talapatra

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 275 KB

english, 1983

37

Crystal and molecular structure and the cope activation barriers of some dicyano-1,5-dimethylsemibullvalenes

Helmut Quast, Yvonne Görlach, Josef Christ, Eva-Maria Peters, Karl Peters, Hans Georg von Schnering, Lloyd M. Jackman, auGazanfer Ibar, Alan J. Freyer

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 270 KB

english, 1983

38

Magallanesine: an isoindolobenzazocine alkaloid

Emir Valencia, Victor Fajardo, Alan J. Freyer, Maurice Shamma

Journal:

Tetrahedron Letters

Year:

1985

Language:

english

File:

PDF, 198 KB

english, 1985

39

(±)-Nuevamine, an isoindoloisoquinoline alkaloid, and (±)-lennoxamine, an isoindolobenzazepine

Emir Valencia, Alan J. Freyer, Maurice Shamma, Victor Fajardo

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 177 KB

english, 1984

40

The indenobenzazepine-spirobenzylisoquinoline rearrangement; stereocontrolled syntheses of (±)-raddeanine and (±)-yenhusomine

Gábor Blaskó, Natesan Murugesan, Alan J. Freyer, Daniella J. Gula, Bilge Şener, Maurice Shamma

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 276 KB

english, 1981

41

Revised structures for fumaritridine and fumaritrine: Two indenobenzazepine type alkaloids

Gábor Blaskó, Natesan Murugesan, Alan J. Freyer, Robert D. Minard, Maurice Shamma

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 282 KB

english, 1981

42

A new class of isoquinoline alkaloids: The indenobenzazepines

Gábor Blaskó, S.Fazal Hussain, Alan J. Freyer, Maurice Shamma

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 213 KB

english, 1981

43

Santiagonamine: a new aporphinoid alkaloid incorporating a phenanthridine skeleton

Emir Valencia, Amarendra Patra, Alan J. Freyer, Maurice Shamma, Victor Fajardo

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 200 KB

english, 1984

44

Fasicularin, a novel tricyclic alkaloid from the ascidian Nephteis fasicularis with selective activity against a DNA repair-deficient organism

Ashok D. Patil, Alan J. Freyer, Rex Reichwein, Brad Carte, Lewis B. Killmer, Leo Faucette, Randall K. Johnson, D.John Faulkner

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 161 KB

english, 1997

45

The plakortones, novel bicyclic lactones from the sponge Plakortis halichondrioides: Activators of cardiac SR-Ca2+-pumping ATPase

Ashok D. Patil, Alan J. Freyer, Mark F. Bean, Brad K. Carte, John W. Westley, Randall K. Johnson, Philippe Lahouratate

Journal:

Year:

1996

Language:

english

File:

PDF, 731 KB

english, 1996

46

Five new steroidal alkaloids from buxus papilosa. Some relationships between structures and specific rotations

M.Iqbal Choudhary, Atta-ur-Rahman, Alan J. Freyer, Maurice Shamma

Journal:

Year:

1986

Language:

english

File:

PDF, 443 KB

english, 1986

47

Frondosins, five new sesquiterpene hydroquinone derivatives with novel skeletons from the sponge Dysidea frondosa: Inhibitors of interleukin-8 receptors

Ashok D. Patil, Alan J Freyer, Lew Killmer, Priscilla Offen, Brad Carte, Anthony J. Jurewicz, Randall K. Johnson

Journal:

Year:

1997

Language:

english

File:

PDF, 571 KB

english, 1997

48

Cavanine, a novel α-hydroxybisbenzylisoquinoline alkaloid from Sciadotenia toxifera (Krukoff and A. C. Smith)

Mary D Menachery, Eric W Stern, Richard J Steinbeiser, Alan J Freyer, Lew B Killmer

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 131 KB

english, 2000

49

NOE difference spectroscopy of some 5-substituted and 5,5-disubstituted hydantoins

Michael De Rosa, Alan J. Freyer

Journal:

Journal of Heterocyclic Chemistry

Year:

1995

File:

PDF, 218 KB

1995

50

Haploscleridamine, a Novel Tryptamine-Derived Alkaloid from a Sponge of the Order Haplosclerida: An Inhibitor of Cathepsin K

Patil, Ashok D., Freyer, Alan J., Carte, Brad, Taylor, Paul B., Johnson, Randall K., Faulkner, D. John

Journal:

Journal of Natural Products

Year:

2002

Language:

english

File:

PDF, 29 KB

english, 2002

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски