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1

Reaktive Isocyanate, II. Cyclo-Reaktionen von N-Chlorsulfonyl-β-lactamen

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

European Journal of Inorganic Chemistry

Year:

1975

File:

PDF, 643 KB

1975

2

A simple synthesis of Δ2-oxazines, Δ2-oxazines, Δ2-thiazolines and 2-substituted benzoxazoles

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Year:

1993

Language:

english

File:

PDF, 1.72 MB

english, 1993

3

Neue Katalysatoren für die Nucleosidsynthese

Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie

Year:

1975

Language:

german

File:

PDF, 125 KB

german, 1975

4

Selektive, acidolytische Abspaltung der tert-Butoxycarbonyl-Gruppe

Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie

Year:

1975

File:

PDF, 116 KB

1975

5

C-Substitution von Nucleosiden mit Hilfe der Eschenmoserschen Sulfid-Kontraktion

Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie

Year:

1976

Language:

german

File:

PDF, 209 KB

german, 1976

6

Eine neue Lactonsynthese

Prof. Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie

Year:

1977

Language:

german

File:

PDF, 225 KB

german, 1977

7

Synthesis of 5-Methylaminomethyl-2-thiouridine, a Rare Nucleoside from t-RNA

Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie International Edition

Year:

1975

Language:

english

File:

PDF, 227 KB

english, 1975

8

New Catalysts for the Synthesis of Nucleosides

Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie International Edition

Year:

1975

Language:

english

File:

PDF, 204 KB

english, 1975

9

Selective Acidic Cleavage of the tert -Butoxycarbonyl Group

Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie International Edition

Year:

1975

Language:

english

File:

PDF, 129 KB

english, 1975

10

C-Substitution of Nucleosides with the Aid of the Eschenmoser Sulfide Contraction

Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie International Edition

Year:

1976

Language:

english

File:

PDF, 206 KB

english, 1976

11

A New Lactone Synthesis

Prof. Dr. Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Angewandte Chemie International Edition

Year:

1977

Language:

english

File:

PDF, 234 KB

english, 1977

12

The Reaction of Perfluorobutanesulfonyl Fluoride with Alcohols in the Presence of 4-Dialkylaminopyridines

Bärbel Bennua-Skalmowski, Konrad Krolikiewicz, Helmut Vorbrüggen

Journal:

Bulletin des Sociétés Chimiques Belges

Year:

1994

Language:

english

File:

PDF, 598 KB

english, 1994

13

Eine neue Synthese des 3-[3.4-Dihydroxy-phenyl]-L-alanins (L-DOPA)

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

European Journal of Inorganic Chemistry

Year:

1972

Language:

german

File:

PDF, 356 KB

german, 1972

14

Nucleoside syntheses, XXII1) Nucleoside synthesis with trimethylsilyl triflate and perchlorate as catalysts

Helmut Vorbrüggen, Konrad Krolikiewicz, Bärbel Bennua

Journal:

European Journal of Inorganic Chemistry

Year:

1981

Language:

english

File:

PDF, 1.12 MB

english, 1981

15

Amination, III. Trimethylsilanol as Leaving Group, V. Silylation—Amination of Hydroxy N-Heterocycles

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

European Journal of Inorganic Chemistry

Year:

1984

Language:

english

File:

PDF, 1008 KB

english, 1984

16

ChemInform Abstract: Synthesis of Ansa1-Cytidines.

Konrad Krolikiewicz, Martina Schaefer, Helmut Vorbrueggen

Journal:

Year:

2010

File:

PDF, 18 KB

2010

17

A Facile Conversion of Tertiary Amines into [2-(dialkylamino)vinyl]triphenylphosphonium salts

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 435 KB

english, 1993

18

Nucleosidsynthesen, XIV. Aminierung von Heterocyclen, I. Eine neue einfache Synthese von Cytidinen

Helmut Verbrüggen, Konrad Krolikiewicz, Ulrich Niedballa

Journal:

European Journal of Organic Chemistry

Year:

1975

File:

PDF, 840 KB

1975

19

Nucleosidsynthesen, XVIII. Aminierung von Heterocyclen, II. Einfache neue Synthese von N6-substituierten Adenosinen und Adeninen sowie ihrer 2-Amino- und 2-Hydroxyderivate

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

European Journal of Organic Chemistry

Year:

1976

File:

PDF, 1.02 MB

1976

20

Nucleoside Syntheses, XXI. Synthesis of 5-Methylaminomethyl-2-thiouridine, a Rare Nucleoside from t-RNA

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

European Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 584 KB

english, 1980

21

Discovery of quinolines as selective glucocorticoid receptor agonists

Stefan Jaroch, Markus Berger, Christoph Huwe, Konrad Krolikiewicz, Hartmut Rehwinkel, Heike Schäcke, Norbert Schmees, Werner Skuballa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2010

Language:

english

File:

PDF, 226 KB

english, 2010

22

New simple wittig-type cyclizations to flavones, 4-quinolones and indenones

Helmut Vorbrüggen, Bernhard D. Bohn, Konrad Krolikiewicz

Journal:

Year:

1990

Language:

english

File:

PDF, 836 KB

english, 1990

23

A simple reduction of aromatic heterocyclic N-oxides with hexamethyldisilane: reactions with hexamethyldisilane and fluoride ion I

Helmu Vorbrüggen, Konrad Krolikiewicz

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 115 KB

english, 1983

24

Reduction of aromatic nitro groups with hexamethyldisilane: Reactions with hexamethyldisilane and fluoride ion-II

Vorbrüggen Helmut, Krolikiewicz Konrad

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 211 KB

english, 1984

25

A simple synthesis of Δ2-oxazolines, Δ2-oxazines, Δ2-thiazolines and Δ2-imidazolines

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 236 KB

english, 1981

26

The introduction of nitrile-groups into heterocycles and conversion of carboxylic groups into their corresponding nitriles with chlorosulfonylisocyanate and triethylamine

Helmut Vorbrüggen, Konrad Krolikiewicz

Journal:

Year:

1994

Language:

english

File:

PDF, 780 KB

english, 1994

27

SYNTHESIS OF NUCLEOSIDES WITH USE OF TRIMETHYLSILYL-HETEROCYCLES

Helmut Vorbrüggen, Konrad Krolikiewicz, Ulrich Niedballa

Journal:

Annals of the New York Academy of Sciences

Year:

1975

Language:

english

File:

PDF, 359 KB

english, 1975

28

The Introduction of C-Substitutents into Pyrimidine- and Purine-Nucleosides

Vorbrüggen, Helmut, Krolikiewicz, Konrad

Journal:

Nucleosides and Nucleotides

Year:

1987

Language:

english

File:

PDF, 220 KB

english, 1987

29

Synthesis of Ansa 1 -Cytidines

Krolikiewicz, Konrad, Schäfer, Martina, Vorbrüggen, Helmut

Journal:

Nucleosides Nucleotides & Nucleic Acids

Year:

2009

Language:

english

File:

PDF, 705 KB

english, 2009

30

Trimethylsilanol as Leaving Group; III 1 . A Simple One-Step Conversion of Aromatic Heterocyclic N -Oxides to α-Cyano Aromatic N -Heterocycles

Vorbrüggen, Helmut, Krolikiewicz, Konrad

Journal:

Year:

1983

File:

PDF, 349 KB

1983

31

ChemInform Abstract: NUCLEOSIDSYNTHESEN 14. MITT. AMINIERUNG VON HETEROCYCLEN 1. MITT. NEUE EINFACHE SYNTHESE VON CYTIDINEN

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD, NIEDBALLA, ULRICH

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 234 KB

1975

32

ChemInform Abstract: NEUE SYNTH. DES 3-(3,4-DIHYDROXY-PHENYL)-L-ALANINS (L-DOPA)

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 180 KB

1972

33

ChemInform Abstract: REACTIONS WITH SILYL ESTERS OF STRONG ACIDS. 2. SELECTIVE ACIDOLYTIC CLEAVAGE E OF THE TERT-BUTOXYCARBONYL GROUP

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 125 KB

1976

34

ChemInform Abstract: NUCLEOSIDE SYNTHESES, XVIII. AMINATION OF HETEROCYCLES, II. FACILE SYNTHESIS OF N6-SUBSTITUTED ADENOSINES AND ADENINES AND THEIR 2-AMINO- AND 2-HYDROXY DERIVATIVES

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 226 KB

1976

35

ChemInform Abstract: NUCLEOSIDE SYNTHESES, XVIII. AMINATION OF HETEROCYCLES, II. FACILE SYNTHESIS OF N6-SUBSTITUTED ADENOSINES AND ADENINES AND THEIR 2-AMINO- AND 2-HYDROXY DERIVATIVES

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 226 KB

1976

36

ChemInform Abstract: REAKTIVE ISOCYANATE 2. MITT. CYCLO-REAKTIONEN VON N-CHLORSULFONYL-BETA-LACTAMEN

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 208 KB

1975

37

ChemInform Abstract: NUCLEOSIDSYNTHESEN 10. MITT. REAKTIONEN MIT SILYLESTERN STARKER SAEUREN 1. MITT. NEUE KATALYSATOREN FUER DIE NUCLEOSIDSYNTHESE

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 114 KB

1975

38

ChemInform Abstract: NUCLEOSIDSYNTHESEN 15. MITT. SYNTHESE VON 5-METHYLAMINOMETHYL-2-THIOURIDIN, EINES SELTENEN NUCLEOSIDS AUS T-RNA

VORBRUEGGEN, HELMUT, KROLIKIEWICZ, KONRAD

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 131 KB

1975