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1

ChemInform Abstract: Structure of Antimycin A1, a Specific Electron Transfer Inhibitor of Ubiquinol—Cytochrome c Oxidoreductase.

Hoeon Kim, Lothar Esser, M. Bilayet Hossain, Di Xia, Chang-An Yu, Josep Rizo, Dick van der Helm, Johann Deisenhofer

Journal:

Year:

1999

File:

PDF, 25 KB

1999

2

Unusual stereoselectivity in the Diels-Alder addition of cyclopentadiene with the bicyclo[2.2.2]octene nucleus

Williams, Richard Vaughan, Todime, Murali Mohan Reddy, Enemark, Paul, van der Helm, Dick, Rizvi, Safia Khalil

Journal:

Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 529 KB

english, 1993

3

Synthesis and biological activity of some derivatives of thiochroman-4-one and tetrahydrothiapyran-4-one

Ramalingam, K., Thyvelikakath, George X., Berlin, K. Darrell, Chesnut, Robert W., Brown, Rebecca A., Durham, Norman N., Ealick, Steven E., Van der Helm, Dick

Journal:

Journal of Medicinal Chemistry

Year:

1977

Language:

english

File:

PDF, 530 KB

english, 1977

4

Synthesis, conformational analysis, and antiarrhythmic properties of 7-benzyl-3-thia-7-azabicyclo[3.3.1]nonan-9-one, 7-benzyl-3-thia-7-azabicyclo[3.3.1]nonane hydroperchlorate, and 7-benzyl-9-phenyl-3-thia-7-azabicyclo[3.3.1]nonan-9-ol hydroperchlorate and derivatives. Single-crystal x-ray diffraction analysis and evidence for chair-chair and chair-boat conformers in the solid state

Bailey, Bruce R., Berlin, K. Darrell, Holt, Elizabeth M., Scherlag, Benjamin J., Lazzara, Ralph, Brachmann, Johannes, Van der Helm, Dick, Powell, Douglas R., Pantaleo, Nantelle S., Ruenitz, Peter C.

Journal:

Journal of Medicinal Chemistry

Year:

1984

Language:

english

File:

PDF, 1.27 MB

english, 1984

5

Structure of Antimycin A1, a Specific Electron Transfer Inhibitor of Ubiquinol−Cytochrome c Oxidoreductase

Kim, Hoeon, Esser, Lothar, Hossain, M. Bilayet, Xia, Di, Yu, Chang-An, Rizo, Josep, van der Helm, Dick, Deisenhofer, Johann

Journal:

Journal of the American Chemical Society

Year:

1999

Language:

english

File:

PDF, 49 KB

english, 1999

6

The Crystal and Molecular Structures of Two 4-Alkenyl-substituted Bicyclohexylnitriles

Ji, Xinhua, Richter, Wolfgang, Fung, Bing M., Helm, Dick Van Der, Schadt, Martin

Journal:

Molecular Crystals and Liquid Crystals

Year:

1991

Language:

english

File:

PDF, 464 KB

english, 1991

7

Amido-3-hydroxypyridin-4-ones as Iron(III) Ligands

Sirivipa Piyamongkol, Yong M. Ma, Xiao L. Kong, Zu D. Liu, Mutlu D. Aytemir, Dick van der Helm, Robert C. Hider

Journal:

Chemistry - A European Journal

Year:

2010

Language:

english

File:

PDF, 294 KB

english, 2010

8

Crystal structure of dicyclohexylammonium succinatotriphenylstannate at 138 K

Seik Weng Ng, V. G. Kumar Das, Gaoyi Xiao, Dick Van Der Helm, Jaroslav Holec̆ek, Antonín Lyc̆ka

Journal:

Heteroatom Chemistry

Year:

1991

Language:

english

File:

PDF, 271 KB

english, 1991

9

Isolation, synthesis, and evaluation of a series of indencarbazates as hypotensive agents

Thomas L. Lemke, Radhika Sanduja, Mohamad M. Mroue, Shridhar Iver, Maktoob Alam, M. B. Hossain, Dick van der Helm

Journal:

Journal of Pharmaceutical Sciences

Year:

1990

Language:

english

File:

PDF, 606 KB

english, 1990

10

Metallorganische verbindungen der lanthanoide: XXXI. Synthese und molekülstruktur einiger cyclopentadienyllutetiumhydride

Herbert Schumann, Wolfgang Genthe, Ekkehardt Hahn, M.Bilayet Hossain, Dick Van Der Helm

Journal:

Journal of Organometallic Chemistry

Year:

1986

File:

PDF, 1.16 MB

1986

11

Synthesis of triorganostannate esters of dicarboxylic acids. Crystal structure of bis(dicyclohexylammonium) trisoxalatotetrakis(tri-n-butylstannate) · 2 ethanol

Seik Weng Ng, V.G. Kumar Das, M.B. Hossain, F. Goerlitz, Dick van der Helm

Journal:

Journal of Organometallic Chemistry

Year:

1990

Language:

english

File:

PDF, 611 KB

english, 1990

12

Marine natural products: Deodactol, antineoplastic sesquiterpenoid from the sea hare aplysia dactylomela

Keith H. Hollenbeak, Francis J. Schmitz, M.Bilayet Hossain, Dick van Der Helm

Journal:

Year:

1979

Language:

english

File:

PDF, 360 KB

english, 1979

13

Siderophore Mediated Iron(III) Uptake in Gliocladium virens: 1. Properties of cis-Fusarinine, trans-Fusarmine, Dimerum Acid, and Their Ferric Complexes

Mahbubul A.F. Jalal, Steve K. Love, Dick van der Helm

Journal:

Journal of Inorganic Biochemistry

Year:

1986

Language:

english

File:

PDF, 881 KB

english, 1986

14

Siderophore-mediated iron (III) transport in the mycelia of the cultivated fungus, Agaricus bisporus

Jonathan P. Adjimani, Dick van der Helm, D. Larry Eng-Wilmot

Journal:

Journal of Inorganic Biochemistry

Year:

1992

Language:

english

File:

PDF, 1.02 MB

english, 1992

15

Crystal and molecular structure of dichloro-1- diphenylphosphino-2-diethylaminoethanemercury(II) at 138 K

P.K.Sen Gupta, Larry W. Houk, Dick Van Der Helm, M.B. Hossain

Journal:

Inorganica Chimica Acta

Year:

1980

Language:

english

File:

PDF, 269 KB

english, 1980

16

Marine anticancer agents: sinularin and dihydrosinularin, new cembranolides from the soft coral, Sinularia flexibilis

Alfred J. Weinheimer, James A. Matson, M.Bilayet Hossain, Dick van der Helm

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 246 KB

english, 1977

17

Marine anticancer agents: asperdiol, a cembranoid from the gorgonians, Eunicea asperula and E. tourneforti

Alfred J. Weinheimer, James A. Matson, Dick van der Helm, M. Poling

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 258 KB

english, 1977

18

The crystal structure of crassin p-iodobenzoate

M. Bilayet Hossain, Dick van Der Helm

Journal:

Recueil des Travaux Chimiques des Pays-Bas

Year:

1969

Language:

english

File:

PDF, 477 KB

english, 1969

19

The crystal and molecular structure of the p-iodobenzoate of 23-demethylgorgosterol

I-Nan Hsu, Dick van der Helm

Journal:

Recueil des Travaux Chimiques des Pays-Bas

Year:

1973

Language:

english

File:

PDF, 368 KB

english, 1973

20

The crystal structure and absolute configuration of the 3-p-iodobenzoate-11-acetate of secogorgosterol

E. L. Enwall, Dick van der Helm

Journal:

Recueil des Travaux Chimiques des Pays-Bas

Year:

1974

Language:

english

File:

PDF, 702 KB

english, 1974

21

Siderophores of highly phytopathogenicAlternaria longipes

Mahbubul A. F. Jalal, Dick van der Helm

Journal:

Year:

1989

Language:

english

File:

PDF, 587 KB

english, 1989

22

Nα-Dimethylcoprogens Three novel trihydroxamate siderophores from pathogenic fungi

Mahbubul A. F. Jalal, Steve K. Love, Dick van der Helm

Journal:

Year:

1988

Language:

english

File:

PDF, 442 KB

english, 1988

23

Crystal and molecular structure of brianthein X

Dick Van der Helm, R. A. Loghry, J. A. Matson, A. J. Weinheimer

Journal:

Journal of Chemical Crystallography

Year:

1986

Language:

english

File:

PDF, 310 KB

english, 1986

24

Crystal structure of the charge transfer complex 9-cyclohexyladenine-iodine

Dick van der Helm

Journal:

Journal of Chemical Crystallography

Year:

1973

Language:

english

File:

PDF, 489 KB

english, 1973

25

X-ray structure of sesterterpene, 16β-acetoxy-24-methyl-12,24-dioxoscalaran-25-al

M. Bilayet Hossain, Kevin Beatty, Francis J. Schmitz, Dick van der Helm

Journal:

Journal of Chemical Crystallography

Year:

1995

Language:

english

File:

PDF, 249 KB

english, 1995

26

Molecular mechanism of ferricsiderophore passage through the outer membrane receptor proteins ofEscherichia coli

Ranjan Chakraborty, Erin Storey, Dick van der Helm

Journal:

Year:

2007

Language:

english

File:

PDF, 598 KB

english, 2007

27

Siderophore mediated iron(III) uptake in Gliocladium virens. 2. Role of ferric mono- and dihydroxamates as iron transport agents

Mahbubul A.F. Jalal, Steve K. Love, Dick van der Helm

Journal:

Journal of Inorganic Biochemistry

Year:

1987

Language:

english

File:

PDF, 575 KB

english, 1987

28

Separation of ferrichromes and other hydroxamate siderophores of fungal origin by reversed-phase chromatography

M.A.F. Jalal, Raman Mocharla, Dick van der Helm

Journal:

Journal of Chromatography A

Year:

1984

Language:

english

File:

PDF, 431 KB

english, 1984

29

10.1038/4931

Deisenhofer, Johann, Buchanan, Susan K., Smith, Barbara S., Venkatramani, Lalitha, Xia, Di, Esser, Lothar, Palnitkar, Maya, Chakraborty, Ranjan, van der Helm, Dick

Journal:

Natural Structural Biology

Year:

1999

Language:

english

File:

PDF, 1.08 MB

english, 1999

30

Crystal structure of retro-isomer of the siderophore ferrioxamine E

M. Bilayet Hossain, Mahbubul A. F. Jalal, Dick van der Helm, Kazuyuki Shimizu, Masayasu Akiyama

Journal:

Journal of Chemical Crystallography

Year:

1998

Language:

english

File:

PDF, 263 KB

english, 1998

31

Crystal structure and absolute configuration of the indole alkaloid arborescidine C

Florian D. Schubot, M. Bilayet Hossain, Dick van der Helm, Mary Pais, Cecile Debitus

Journal:

Journal of Chemical Crystallography

Year:

1998

Language:

english

File:

PDF, 288 KB

english, 1998

32

Gallium-complex of anguibactin, a siderophore from fish pathogenVibrio anguillarum

M. Bilayet Hossain, Mahbubul A. F. Jalal, Dick van der Helm

Journal:

Journal of Chemical Crystallography

Year:

1998

Language:

english

File:

PDF, 373 KB

english, 1998

33

Molecular and crystal structure of the linear tricatechol siderophore, agrobactin

Eng-Wilmot, D. L., Van der Helm, Dick

Journal:

Journal of the American Chemical Society

Year:

1980

Language:

english

File:

PDF, 859 KB

english, 1980

34

Structure of anguibactin, a unique plasmid-related bacterial siderophore from the fish pathogen Vibrio anguillarum

Jalal, M. A. F., Hossain, M. B., Van der Helm, Dick, Sanders-Loehr, J., Actis, L. A., Crosa, J. H.

Journal:

Journal of the American Chemical Society

Year:

1989

Language:

english

File:

PDF, 631 KB

english, 1989

35

SYNTHESIS AND STEREOCHEMISTRY OF 1-OXA-6-HETERASPIRO[2.5]OCTANES. SINGLE-CRYSTAL ANALYSIS OF 6-PHENYL-1-OXA-6-PHOSPHASPIRO[2.5]OCTANE 6-SULFIDE

Satyamurthy, Nagichettiar, Berlin, K. Darrell, Hossain, M. Bilayet, Helm, Dick Van Der

Journal:

Phosphorous and Sulfur and the Related Elements

Year:

1984

Language:

english

File:

PDF, 1005 KB

english, 1984

36

SYNTHESIS OF 3-METHYLENE-1-OXA-8-HETERASPIRO[4.5]DECAN-2-ONES AND 1-OXA-8-HETERASPIRO[4.5]DECAN-2-ONES NOVEL FORMATION AND CRYSTAL STRUCTURE OF 3-[(4-HYDROXY-4-THIANYL)METHYL] - 1-OXA-8-THIASPIRO[4.5]DECAN-2-ONE

Satyamurthy, Nagichettiar, Berlin, K. Darrell, Powell, Douglas R., Helm, Dick Van Der

Journal:

Phosphorous and Sulfur and the Related Elements

Year:

1984

Language:

english

File:

PDF, 1017 KB

english, 1984

37

Molecular structure of ferric neurosporin, a minor siderophore-like compound containing N.delta.-hydroxy-D-ornithine

Eng-Wilmot, D. L., Rahman, A., Mendenhall, J. V., Grayson, S. L., Van der Helm, Dick

Journal:

Journal of the American Chemical Society

Year:

1984

Language:

english

File:

PDF, 870 KB

english, 1984

38

Synthesis, Physicochemical Properties, and Biological Evaluation of Hydroxypyranones and Hydroxypyridinones: Novel Bidentate Ligands for Cell-Labeling

Ellis, Beverley L., Duhme, Anne K., Hider, Robert C., Hossain, M. Bilayet, Rizvi, Safia, van der Helm, Dick

Journal:

Journal of Medicinal Chemistry

Year:

1996

Language:

english

File:

PDF, 310 KB

english, 1996

39

Studies on the chemical constituents of the South China Sea sponge Phacellia fusca

Long-Mei Zeng, Xiong Fu, Jing-Yu Su, Florecita De Guzman, J. Francis Schmitz, M. Bilayet Hossain, Dick van Der Helm

Journal:

Chinese Journal of Chemistry

Year:

1991

Language:

english

File:

PDF, 426 KB

english, 1991

40

A single crystal X-Ray diffraction analysis of 1,9-dihydro[1] benzothiopyrano[4,3-c] pyrazole 5,5-dioxide

Steven E. Ealick, Dick Van Der Helm, K. Ramalingam, George X. Thyvelikakath, K. D. Berlin

Journal:

Journal of Heterocyclic Chemistry

Year:

1977

File:

PDF, 250 KB

1977

41

Single crystal X-ray diffraction analysis of 2,3a,4,5-tetrahydro-7,8-dimethoxy-3a-methyl-3H-benz[g]indazol-3-one hemihydrate

A. Rahman, S. E. Ealick, Dick Van Der Helm, K. Darrell Berlin, M. M. Hashem

Journal:

Journal of Heterocyclic Chemistry

Year:

1980

File:

PDF, 206 KB

1980

42

The biological activity and crystal structure of 2-allylamino-4,5-dihydro-7,8-dimethoxynaphtho[1,2-d]thiazole

A. Rahman, Dick Van Der Helm, Melvin D. Herd, M. M. Hashem, K. Darrell Berlin

Journal:

Journal of Heterocyclic Chemistry

Year:

1980

File:

PDF, 236 KB

1980

43

Secondary metabolites of the coelenterate echinopora lamellosa

R. Sanduja, G. E. Martin, A. J. Weinheimer, M. Alam, M. B. Hossain, Dick van der Helm

Journal:

Journal of Heterocyclic Chemistry

Year:

1984

File:

PDF, 328 KB

1984

44

Molecular structures of CPF-dipeptides, inhibitors for the binding of CD4 with gp120

LALITHA VENKATRAMANI, M. BILAYET HOSSAIN, DICK VAN DER HELM

Journal:

Chemical Biology & Drug Design

Year:

1994

Language:

english

File:

PDF, 563 KB

english, 1994

45

Crystal and molecular structure of didemnin A, an antiviral depsipeptide

M. BILAYETHOSSAIN, DICK VAN DER HELM, JOCHEN ANTEL, GEORGE M. SHELDRICK, ALFRED J. WEINHEIMER, S.K. SANDUJA

Journal:

Chemical Biology & Drug Design

Year:

1996

Language:

english

File:

PDF, 578 KB

english, 1996

46

Novel 3,7-Diheterabicyclo[3.3.1]nonanes That Possess Predominant Class III Antiarrhythmic Activity in 1-4 Day Post Infarction Dog Models: X-ray Diffraction Analysis of 3-[4-(1H-Imidazol-1-yl)benzoyl]-7-isopropyl-3,7-diazabicyclo[3.3.1]nonane Dihydroperchlorate

Garrison, Gregory L., Berlin, K. Darrell, Scherlag, Benjamin J., Lazzara, Ralph, Patterson, Eugene, Fazekas, Tamas, Sangiah, Subbiah, Chen, Chun-Lin, Schubot, F. D., van der Helm, Dick

Journal:

Journal of Medicinal Chemistry

Year:

1996

Language:

english

File:

PDF, 486 KB

english, 1996

47

Dynamic NMR study of 3-methylene-1-oxaspiro[4.5]decan-2-one and single-crystal x-ray diffraction analysis of cis-8-tert-butyl-3-methylene-1-oxaspiro[4.5]decan-2-one

O'Donnell, Daniel J., Ramalingam, K., Berlin, K. D., Ealick, S. E., Van der Helm, Dick

Journal:

Journal of Organic Chemistry

Year:

1978

Language:

english

File:

PDF, 903 KB

english, 1978

48

Crystal and molecular structure of the quinoxaline antibiotic analog TANDEM (des-N-tetramethyltriostin A)

Hossain, M. B., Van der Helm, Dick, Olsen, Richard K., Jones, Peter G., Sheldrick, George M., Egert, Ernst, Kennard, Olga, Waring, Michael J., Viswamitra, M. A.

Journal:

Journal of the American Chemical Society

Year:

1982

Language:

english

File:

PDF, 918 KB

english, 1982

49

Metabolites from the marine sponge Tedania ignis. A new atisanediol and several known diketopiperazines

Schmidtz, Francis J., Vanderah, David J., Hollenbeak, Keith H., Enwall, Carol E. L., Gopichand, Yalamanchili, SenGupta, P. K., Hossain, M. B., Van der Helm, Dick

Journal:

Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 687 KB

english, 1983

50

Molecular Structures and Conformational Studies of Triarylcyclopropyl and Related Nonsteroidal Anti-Estrogens

Hossain, M. Bilayet, van der Helm, Dick, Schmitz, Francis J., Pordesimo, Eva O., Magarian, Robert A., Meyer, Karen L., Overacre, Lynette B., Day, Billy W.

Journal:

Journal of Medicinal Chemistry

Year:

1994

Language:

english

File:

PDF, 1.36 MB

english, 1994