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Sigmund Gunzenhauser

Novartis

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Publication

Featured researches published by Sigmund Gunzenhauser.

Helvetica Chimica Acta | 1985

Halochrome Molekeln. 5. Mitteilung. Synthese substituierter 6H-Chromeno[4,3-b]indolizine und ihrer Aza-analogen

Sigmund Gunzenhauser; Heinz Balli

Helvetica Chimica Acta | 1980

Halochrome Molekeln 2. Mitteilung [1] Synthese und acidobasisches Verhalten substituierter 6,6‐Diphenyl‐6H‐chromeno [4,3‐b]indole

Sigmund Gunzenhauser; Heinz Balli

Helvetica Chimica Acta | 1979

Halochrome Molekeln. Synthese und acidobasisches Verhalten substituierter 3′,6′-Bis (dimethylamino)-spiro [5H-imidazo [2, 1-α]-isoindolin-5,9′-xanthene]

Sigmund Gunzenhauser; Bruno Hellrung; Heinz Balli

Helvetica Chimica Acta | 1988

Halochrome Molekeln. 7. Mitteilung. Synthese und acidobasisches Verhalten substituierter Heteroarenochinazoline

Sigmund Gunzenhauser; Heinz Balli

Helvetica Chimica Acta | 1989

Halochrome Molekeln 8. Mitteilung. Synthese und acidobasisches Verhalten von 3′-substituierten 6,11-Dihydrospiro[[1]benzopyrano[4,3-b]indol-6,9′−9′H-xanthenen]

Sigmund Gunzenhauser; Heinz Balli

Helvetica Chimica Acta | 1978

Valenzisomerisierungsversuche an substituierten 2‐Phenyl‐4‐phenylazo‐benzotriazolen: Grenzen der Boulton‐Katritzky‐Umlagerung

Heinz Balli; Sigmund Gunzenhauser

Helvetica Chimica Acta | 1990

Halochrome Moleküle 9. Mitteilung[1]. Substituierte 6,11-Dihydrospiro[[1]benzopyrano[4,3-b]indol-6,9′-9′H-xanthen]-2′,6′-diamine und ihre Aza-analogen: Neue Chromogene für schwarze Farbbilder

Sigmund Gunzenhauser; Heinz Balli

Helvetica Chimica Acta | 1985

Halochrome Molekeln. 6. Mitteilung. Spektrophotometrische Untersuchungen zum acidobasischen Verhalten substituierter 6,6-Diphenyl-6H-chromeno[4,3-b]indolizine und ihrer Aza-analogen

Sigmund Gunzenhauser; Heinz Balli

Archive | 1983

Chromenoazaindolizines, process for their preparation and their use in pressure or heat sensitive recording materials

Heinz Balli; Sigmund Gunzenhauser; Ian J. Fletcher; Davor Dr Bedekovic

Archive | 1979

Chromenoindole color formers

Heinz Balli; Sigmund Gunzenhauser; Jean Claude Dr Petitpierre

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Heinz Balli

University of Basel

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Davor Dr Bedekovic

Novartis

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Ian J. Fletcher

Novartis

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Heinz Balli

University of Basel

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Jean Claude Dr Petitpierre

Novartis

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Bruno Hellrung

University of Basel

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