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Helga Wittmann

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Publication

Featured researches published by Helga Wittmann.

ChemInform | 1990

Reactions with Betaines. Part 24. Reactions of Trimethylammonium Acetic Acid Betaine with Reactive Halides.

E. Ziegler; Helga Wittmann; H. Sterk

ChemInform | 1987

Reactions with Betaines. Part 22. S-Betaines and Their Relationship to the Stable S-Ylides.

E. Ziegler; Helga Wittmann; H. Sterk

ChemInform | 1987

Bis-trifluoromethanesulfonates from Monoacyl-Ylides.

Helga Wittmann; E. Ziegler; H. Sterk

ChemInform | 1985

FORMATION OF A NEW, HIGHLY FLUORESCENT HETEROCYCLE DURING AN ATTEMPTED QUATERNIZATION OF QUINOLINE

E. Ziegler; Helga Wittmann; Otto S. Wolfbeis; H. Sterk

ChemInform | 1970

SYNTH. VON HETEROCYCLEN 142. MITT. SYNTH. VON NAPHTHO‐PHENOXAZINONEN

Helga Wittmann; Alfred K. Mueller; G. Wurm; E. Ziegler

ChemInform | 1970

RK. MIT BETAIN 4. MITT. THETIN, PYRIDIN- UND NICOTINSAEUREBETAIN

Helga Wittmann; P. Beutel; E. Ziegler

ChemInform | 1970

SYNTH. VON HETEROCYCLEN 141. MITT. CHEMIE DER 1,3-OXAZINONE

Helga Wittmann; A. Wohlkoenig; H. Sterk; E. Ziegler

ChemInform | 1970

SYNTH. VON HETEROCYCLEN 143. MITT. SYNTH. VON OXAZOLO(3,2-A)CHINOLINEN

Helga Wittmann; A. Wohlkoenig; H. Sterk; E. Ziegler

ChemInform | 1970

SYNTH. VON HETEROCYCLEN 137. MITT. CHEMIE DER KETENCARBONSAEUREN

E. Ziegler; Helga Wittmann; V. Illi

ChemInform | 1970

SYNTH. VON HETEROCYCLEN 144. MITT. SYNTH. MIT KOHLENSUBOXID

E. Ziegler; E. Prewedourakis; Helga Wittmann; Gert Kollenz

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Collaboration

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E. Ziegler

University of Graz

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H. Sterk

University of Graz

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P. Beutel

University of Graz

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E. Prewedourakis

University of Graz

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G. Wurm

University of Graz

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Gert Kollenz

University of Graz

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V. Illi

University of Graz

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Otto S. Wolfbeis

University of Regensburg

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