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1

Comparative analysis of Hibiscus sabdariffa (roselle) hot and cold extracts in respect to their potential for α-glucosidase inhibition

Rasheed, Dalia, Porzel, Andrea, Frolov, Andrei, Saedi, Hesham R. El, Wessjohann, Ludger A., Farag, Mohamed A.

Journal:

Year:

2018

Language:

english

File:

PDF, 1.28 MB

english, 2018

2

N-Glucosyl-1H-indole Derivatives from Cortinarius brunneus (Basidiomycetes)

Axel Teichert, Jürgen Schmidt, Andrea Porzel, Norbert Arnold, Ludger Wessjohann

Journal:

Chemistry & Biodiversity

Year:

2008

Language:

english

File:

PDF, 164 KB

english, 2008

3

Anticancer Agents from the Australian Tropical Rainforest: Spiroacetals EBC-23, 24, 25, 72, 73, 75 and 76

Lin Dong, Heiko Schill, Rebecca L. Grange, Achim Porzelle, Jenny P. Johns, Peter G. Parsons, Victoria A. Gordon, Paul W. Reddell, Craig M. Williams

Journal:

Chemistry - A European Journal

Year:

2009

Language:

english

File:

PDF, 389 KB

english, 2009

4

ChemInform Abstract: Coumarins from Hypericum keniense (Guttiferae).

C. A. Ang'edu, J. Schmidt, A. Porzel, P. Gitu, J. O. Midiwo, G. Adam

Journal:

Year:

1999

File:

PDF, 25 KB

1999

5

Solanum alkaloids, 128. Steroid alkaloid glycosides from Solanum robustum

Helmut Ripperger, Andrea Porzel

Journal:

European Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 359 KB

english, 1994

6

Triterpenoids and their glycosides from the bark ofSchefflera octophylla

T.V. Sung, C. Lavaud, A. Porzel, W. Steglich, G. Adam

Journal:

Year:

1992

Language:

english

File:

PDF, 452 KB

english, 1992

7

Flavonoids of dragon's blood from Dracaena cinnabari

Mohamed Masaoud, Helmut Ripperger, Andrea Porzel, Günter Adam

Journal:

Year:

1995

Language:

english

File:

PDF, 327 KB

english, 1995

8

Polyodonine, a prefuranic labdane diterpene from Marrubium polydon

Natiq A.R. Hatam, Andrea Porzel, Karlheinz Seifert

Journal:

Year:

1995

Language:

english

File:

PDF, 131 KB

english, 1995

9

Homoisoflavonoids from Ophiopogon japonicus Ker-Gawler

Nguyen Thi Hoang Anh, Tran Van Sung, Andrea Porzel, Katrin Franke, Ludger A. Wessjohann

Journal:

Year:

2003

Language:

english

File:

PDF, 153 KB

english, 2003

10

Tailoring spatial descriptions to the addressee: a constraint-based approach

KLABUNDE, RALF, PORZEL, ROBERT

Journal:

Year:

1998

Language:

english

File:

PDF, 3.36 MB

english, 1998

11

Comparative metabolite profiling and fingerprinting of medicinal licorice roots using a multiplex approach of GC–MS, LC–MS and 1D NMR techniques

Mohamed A. Farag, Andrea Porzel, Ludger A. Wessjohann

Journal:

Year:

2012

Language:

english

File:

PDF, 1.20 MB

english, 2012

12

Acetylenic 2-phenylethylamides and new isobutylamides from Acmella oleracea (L.) R. K. Jansen, a Brazilian spice with larvicidal activity on Aedes aegypti

Simas, Naomi Kato, Dellamora, Elisangela da Costa Lima, Schripsema, Jan, Lage, Celso Luiz Salgueiro, Filho, Alfredo Martins de Oliveira, Wessjohann, Ludger, Porzel, Andrea, Kuster, Ricardo Machado

Journal:

Phytochemistry Letters

Year:

2013

Language:

english

File:

PDF, 308 KB

english, 2013

13

Rational design of a ligand-based antagonist of jasmonate perception

Monte, Isabel, Hamberg, Mats, Chini, Andrea, Gimenez-Ibanez, Selena, García-Casado, Gloria, Porzel, Andrea, Pazos, Florencio, Boter, Marta, Solano, Roberto

Journal:

Nature Chemical Biology

Year:

2014

Language:

english

File:

PDF, 650 KB

english, 2014

14

Direct Preparation of Benzofurans from O-Arylhydroxylamines

Contiero, Fanny, Jones, Kevin, Matts, Edward, Porzelle, Achim, Tomkinson, Nicholas

Journal:

Year:

2009

Language:

english

File:

PDF, 180 KB

english, 2009

15

Study of the Role of Antimicrobial Glucosinolate-Derived Isothiocyanates in Resistance of Arabidopsis to Microbial Pathogens

Koenraad F. M.-J. Tierens, Bart P. H. J. Thomma, Margreet Brouwer, Jürgen Schmidt, Katherine Kistner, Andrea Porzel, Brigitte Mauch-Mani, Bruno P. A. Cammue and Willem F. Broekaert

Journal:

PLANT PHYSIOLOGY

Year:

2001

Language:

english

File:

PDF, 2.04 MB

english, 2001

16

Comparative metabolite profiling and fingerprinting of genusPassifloraleaves using a multiplex approach of UPLC-MS and NMR analyzed by chemometric tools

Farag, Mohamed A., Otify, Asmaa, Porzel, Andrea, Michel, Camilia George, Elsayed, Aly, Wessjohann, Ludger A.

Journal:

Analytical and Bioanalytical Chemistry

Year:

2016

Language:

english

File:

PDF, 2.84 MB

english, 2016

17

StructureActivity Relationships of Antimicrobial Gallic Acid Derivatives from Pomegranate and Acacia Fruit Extracts against Potato Bacterial Wilt Pathogen

Farag, Mohamed A., Al-Mahdy, Dalia A., Salah El Dine, Riham, Fahmy, Sherifa, Yassin, Aymen, Porzel, Andrea, Brandt, Wolfgang

Journal:

Chemistry & Biodiversity

Year:

2015

Language:

english

File:

PDF, 448 KB

english, 2015

18

Malusides, novel glucosylceramides isolated from apple pomace (Malus domestica)

Reisberg, Mathias, Arnold, Norbert, Porzel, Andrea, Neubert, Reinhard H.H., Dräger, Birgit

Journal:

Zeitschrift für Naturforschung C

Year:

2017

Language:

english

File:

PDF, 528 KB

english, 2017

19

An OPR3-independent pathway uses 4,5-didehydrojasmonate for jasmonate synthesis

Chini, Andrea, Monte, Isabel, Zamarreño, Angel M, Hamberg, Mats, Lassueur, Steve, Reymond, Philippe, Weiss, Sally, Stintzi, Annick, Schaller, Andreas, Porzel, Andrea, García-Mina, José M, Solano, Robe

Journal:

Nature Chemical Biology

Year:

2018

Language:

english

File:

PDF, 1.41 MB

english, 2018

20

NMR approach for the authentication of 10 cinnamon spice accessions analyzed via chemometric tools

Farag, Mohamed A., Labib, Rola M., Noleto, Clarice, Porzel, Andrea, Wessjohann, Ludger A.

Journal:

Lebensmittel-Wissenschaft und-Technologie / Food Science and Technology

Year:

2018

Language:

english

File:

PDF, 738 KB

english, 2018

21

[ACM Press the 2018 - Boulder, CO, USA (2018.10.16-2018.10.20)] Proceedings of the 2018 on International Conference on Multimodal Interaction - ICMI '18 - If You Ask Nicely

Bonfert, Michael, Spliethöver, Maximilian, Arzaroli, Roman, Lange, Marvin, Hanci, Martin, Porzel, Robert

Year:

2018

Language:

english

File:

PDF, 2.14 MB

english, 2018

22

Medicago TERPENE SYNTHASE 10 is involved in defense against an oomycete root pathogen

Yadav, Heena, Dreher, Dorothée, Athmer, Benedikt, Porzel, Andrea, Gavrin, Aleksandr, Baldermann, Susanne, Tissier, Alain F, Hause, Bettina

Journal:

PLANT PHYSIOLOGY

Year:

2019

File:

PDF, 1.81 MB

2019

23

[IEEE 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR) - Osaka, Japan (2019.3.23-2019.3.27)] 2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR) - Get a Grip! Introducing Variable Grip for Controller-Based VR Systems

Bonfert, Michael, Porzel, Robert, Malaka, Rainer

Year:

2019

Language:

english

File:

PDF, 1.32 MB

english, 2019

24

Foliar Application of Chitosan Increases Tomato Growth and Influences Mycorrhization and Expression of Endochitinase-Encoding Genes

El Amerany, Fatima, Meddich, Abdelilah, Wahbi, Said, Porzel, Andrea, Taourirte, Moha, Rhazi, Mohammed, Hause, Bettina

Journal:

International Journal of Molecular Sciences

Year:

2020

Language:

english

File:

PDF, 4.86 MB

english, 2020

25

Determination of Configuration at the Biaryl Axes of Naphthylisoquinoline Alkaloids by Long-Range NOE Effects

Gerhard Bringmann, Dagmar Koppler, Dieter Scheutzow, Andrea Porzel

Journal:

Magnetic Resonance in Chemistry

Year:

1997

Language:

english

File:

PDF, 281 KB

english, 1997

26

Side Chain Conformation of the Growth-Promoting Phytohormones Brassinolide and 24-Epibrassinolide

Matthias Stoldt, Andrea Porzel, Günter Adam, Wolfgang Brandt

Journal:

Magnetic Resonance in Chemistry

Year:

1997

Language:

english

File:

PDF, 321 KB

english, 1997

27

Anionic Tetranuclear Platina-β-diketonates of Platina-β-diketones – Organometallic Analogues of Platinum Blue Complexes

Michael Gerisch, Clemens Bruhn, Andrea Porzel, Dirk Steinborn

Journal:

European Journal of Inorganic Chemistry

Year:

1998

Language:

english

File:

PDF, 263 KB

english, 1998

28

Brassinosteroids and a pregnane glucoside from Daucus carota

Jürgen Schmidt, Andrea Porzel, Günter Adam

Journal:

Phytochemical Analysis

Year:

1998

Language:

english

File:

PDF, 163 KB

english, 1998

29

Analysis of synthetic isoleucine conjugates of cucurbic acid isomers by liquid chromatography

Dr. Robert Kramell, Andrea Porzel, Otto Miersch, Gernot Schneider

Journal:

Phytochemical Analysis

Year:

1999

Language:

english

File:

PDF, 91 KB

english, 1999

30

Characterization of a 13-lipoxygenase from virgin olive oil and oil bodies of olive endosperms

Marina D. Georgalaki, Astrid Bachmann, Theodore G. Sotiroudis, Aristotelis Xenakis, Andrea Porzel, Ivo Feussner

Journal:

European Journal of Lipid Science and Technology

Year:

1998

Language:

english

File:

PDF, 135 KB

english, 1998

31

Alkaloidal, Megastigmane and Lignan Glucosides from Antidesma membranaceum (Euphorbiaceae)

Alexander Buske, Jürgen Schmidt, Andrea Porzel, Günter Adam

Journal:

European Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 326 KB

english, 2001

32

Cyclic Enones as Substrates in the Morita–Baylis–Hillman Reaction: Surfactant Interactions, Scope and Scalability with an Emphasis on Formaldehyde

Brett D. Schwartz, Achim Porzelle, Kevin S. Jack, Jonathan M. Faber, Ian R. Gentle, Craig M. Williams

Journal:

Advanced Synthesis & Catalysis

Year:

2009

Language:

english

File:

PDF, 209 KB

english, 2009

33

Reversible Substrate Anchoring: NC-SPOS as a Sustainable Approach to Solid-Supported Organic Synthesis

Achim Porzelle, Wolf-Dieter Fessner

Journal:

Angewandte Chemie

Year:

2005

Language:

english

File:

PDF, 361 KB

english, 2005

34

Reversible Substrate Anchoring: NC-SPOS as a Sustainable Approach to Solid-Supported Organic Synthesis

Achim Porzelle, Wolf-Dieter Fessner

Journal:

Angewandte Chemie International Edition

Year:

2005

Language:

english

File:

PDF, 361 KB

english, 2005

35

ChemInform Abstract: Tetralones from Ancistrocladus cochinchinensis.

NGUYEN HOANG ANH NGUYEN HOANG ANH, H. RIPPERGER, A. PORZEL, TRAN VAN SUNG TRAN VAN SUNG, G. ADAM

Journal:

Year:

1997

File:

PDF, 25 KB

1997

36

ChemInform Abstract: Triterpenoids from Pisolithus tinctorius Isolates and Ectomycorrhizas.

A. BAUMERT, B. SCHUMANN, A. PORZEL, J. SCHMIDT, D. STRACK

Journal:

Year:

1997

File:

PDF, 27 KB

1997

37

ChemInform Abstract: Naphthylisoquinoline Alkaloids from Ancistrocladus cochinchinensis.

NGUYEN HOANG ANH NGUYEN HOANG ANH, A. PORZEL, H. RIPPERGER, G. BRINGMANN, M. SCHAEFFER, R. GOD, TRAN VAN SUNG TRAN VAN SUNG, G. ADAM

Journal:

Year:

1997

File:

PDF, 28 KB

1997

38

ChemInform Abstract: Partial Synthesis of (1β,2α,17,17-D4) Gibberellin A1.

P. FUCHS, A. PORZEL, G. SCHNEIDER

Journal:

Year:

1997

File:

PDF, 35 KB

1997

39

ChemInform Abstract: Benzopyranones and Ferulic Acid Derivatives from Antidesma membranaceum.

A. BUSKE, J. SCHMIDT, A. PORZEL, G. ADAM

Journal:

Year:

1998

File:

PDF, 28 KB

1998

40

ChemInform Abstract: Synthesis of 24-Epicathasterone and Related Brassinosteroids with Modified Side Chain.

B. VOIGT, A. PORZEL, C. BRUHN, C. WAGNER, K. MERZWEILER, G. ADAM

Journal:

Year:

1998

File:

PDF, 37 KB

1998

41

ChemInform Abstract: Indole Alkaloids from Tabernaemontana bovina.

Trinh Phuong Lien, Helmut Ripperger, Andrea Porzel, Kurt Merzweiler, Tran Van Sung Tran Van Sung, Guenter Adam

Journal:

Year:

1999

File:

PDF, 24 KB

1999

42

ChemInform Abstract: 3α,20-Dihydroxy-3β,25-epoxylupane, a Triterpene from Rhus typhina.

Juergen Schmidt, Andrea Porzel, G?enter Adam

Journal:

Year:

1999

File:

PDF, 28 KB

1999

43

ChemInform Abstract: Synthesis of a Novel Brassinosteroid Type with an Anellated Dioxonane Side Chain.

Dirk Lichtblau, Andrea Porzel, Juergen Schmidt, Brunhilde Voigt, Guenter Adam

Journal:

Year:

1999

File:

PDF, 34 KB

1999

44

ChemInform Abstract: Antidesmone, a Novel Type Isoquinoline Alkaloid from Antidesma membranaceum (Euphorbiaceae).

A. Buske, S. Busemann, J. Muehlbacher, J. Schmidt, A. Porzel, G. Bringmann, G. Adam

Journal:

Year:

1999

File:

PDF, 25 KB

1999

45

ChemInform Abstract: β-Carboline Alkaloids from Hedyotis capitellata.

Nguyen Minh Phuong, Tran Van Sung, Andrea Porzel, Juergen Schmidt, Kurt Merzweiler, Guenter Adam

Journal:

Year:

2000

File:

PDF, 30 KB

2000

46

ChemInform Abstract: Fissistigmatins A—D: Novel Type Natural Products with Flavonoid—Sesquiterpene Hybrid Structure from Fissistigma bracteolatum

Andrea Porzel, Trinh Phuong Lien, Juergen Schmidt, Susanne Drosihn, Christoph Wagner, Kurt Merzweiler, Tran Van Sung, Guenter Adam

Journal:

Year:

2000

File:

PDF, 29 KB

2000

47

ChemInform Abstract: Revised Structure of Antidesmone, an Unusual Alkaloid from Tropical Antidesma Plants (Euphorbiaceae).

Gerhard Bringmann, Jan Schlauer, Heiko Rischer, Michael Wohlfarth, Joerg Muehlbacher, Alexander Buske, Andrea Porzel, Juergen Schmidt, Guenter Adam

Journal:

Year:

2000

File:

PDF, 27 KB

2000

48

ChemInform Abstract: A Chlorinated Amide and Piperidine Alkaloids from Aloe sabaea.

Torsten Blitzke, Andrea Porzel, Mohamed Masaoud, Juergen Schmidt

Journal:

Year:

2001

File:

PDF, 27 KB

2001

49

ChemInform Abstract: Alkaloidal, Megastigmane and Lignan Glucosides from Antidesma membranaceum (Euphorbiaceae).

Alexander Buske, Juergen Schmidt, Andrea Porzel, Guenter Adam

Journal:

Year:

2002

File:

PDF, 25 KB

2002

50

ChemInform Abstract: Syntheses of Dexamethasone Conjugates of the Phytohormones Gibberellin A3 and 24-Epicastasterone.

Adelheid Kolbe, Robert Kramell, Andrea Porzel, Juergen Schmidt, Gernot Schneider, Guenter Adam

Journal:

Year:

2002

File:

PDF, 30 KB

2002