General Synthetic Entry to Linearly-Fused Dihydrobenzocyclobutene-1,2-diones and Benzocyclobutene-1,2-diones via Annulation of 1,2-Bis(methylene)carbocycles with 3-Chloro-3-cyclobutene-1,2-dione1
Schmidt, Arthur H, Kircher, Gunnar, Willems, Markus
Published in Journal of organic chemistry (21.04.2000)
Published in Journal of organic chemistry (21.04.2000)
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Journal Article
Selective 1,4-Addition of Arenes to 3-Chloro-3-cyclobutene-1,2-dione under Friedel−Crafts Conditions. Synthesis and Reactivity of 4-Aryl-3-chloro-2-hydroxy-2-cyclobuten-1-ones1
Schmidt, Arthur H, Kircher, Gunnar, Maus, Stephan, Bach, Heinz
Published in Journal of organic chemistry (22.03.1996)
Published in Journal of organic chemistry (22.03.1996)
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Regioselective Annulation of 5-(1-Alkenyl)- and 5-Vinyl-1,3-benzodioxoles with 3-Chloro-3-cyclobutene-1,2-dione. Synthesis of 3,4-Dihydrocyclobuta[5,6]- naphtho[2,3-d][1,3]dioxole-1,2-diones and Cyclobuta[6,7]naphtho[2,3-d][1,3]dioxole- 1,2-diones
Schmidt, Arthur H, Kircher, Gunnar, Kuenz, Christian, Wahl, Steffen, Hendriok, Markus W
Published in Journal of organic chemistry (01.06.1995)
Published in Journal of organic chemistry (01.06.1995)
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Journal Article
Oxocarbons and related compounds. Part 25. Heterocycle-fused benzocyclobutenediones. Synthesis of indolo-, benzofuro- and benzothieno-dihydrobenzocyclobutenediones and benzocyclobutenediones
Schmidt, Arthur H., Lechler, Kai O., Pretz, Thorsten, Franz, Ingo
Published in Journal of the Chemical Society, Perkin Transactions 1 (1996)
Published in Journal of the Chemical Society, Perkin Transactions 1 (1996)
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Oxocarbons and related compounds, 32. On the reaction of squaric dichloride and perchlorocyclobutenone with Schiff bases
Schmidt, Arthur H., Muellen, Peter, Wallmeyer, Gabriele, Plutniok, Claudia, Wiesert, Peter R.
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.07.2008)
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Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.07.2008)
Journal Article
Oxokohlenstoffe und verwandte Verbindungen. 32 [1]. Über die Umsetzung von Quadratsäuredichlorid und Perchlorcyclobutenon mit SchiffBasen
Schmidt, Arthur H., Müllen, Peter, Wallmeyer, Gabriele, Plutniok, Claudia, Wiesert, Peter R.
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.07.2008)
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.07.2008)
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Journal Article
Oxocarbons and related compounds, 31. 3-antipyryl-4-hydroxy-cyclobutenedione (antipyryl-semisquaric acid) ad its derivatives
Schmidt, Arthur H., Kohler, Jochen, Pretsch, Ramona, von Freytag-Loringhoven, Sarah, Wiesert, Peter R.
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.01.2008)
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.01.2008)
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Oxokohlenstoffe und verwandte Verbindungen. 33 [1]. Über die Umsetzung von 3-Antipyryl-4-hydroxy-cyclobutendion mit Aminen: Antipyryl-arylamino-quadraine – eine neue Klasse von C,N-Quadrainen / Oxocarbons and Related Compounds. 33 [1]. On the Reaction of 3-Antipyryl-4-hydroxy-cyclobutenedione with Amines: Antipyryl-arylamino-squaraines – a New Class of C,N-Squaraines
Schmidt, Arthur H., Kohler, Jochen, Pretsch, Ramona, Freytag-Loringhoven, Sarah von, Sohrabnejad-Eskan, Iman, Wiesert, Peter R.
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.02.2009)
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.02.2009)
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Journal Article
Oxocarbons and Related Compounds. 33. On the Reaction of 3-Antipyryl-4-hydroxy-cyclobutenedione with Amines: Antipyryl-arylaminosquaraines - a New Class of C,N-Squaraines
Schmidt, Arthur H., Kohler, Jochen, Pretsch, Ramona, von Freytag-Loringhoven, Sarah, Sohrabnejad-Eskan, Iman, Wiesert, Peter R.
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.02.2009)
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.02.2009)
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Oxokohlenstoffe und verwandte Verbindungen, 31 [1]. 3-Antipyryl-4-hydroxy-cyclobutendion (Antipyrylsemiquadratsäure) und seine Derivate / Oxocarbons and Related Compounds, 31 [1]. 3-Antipyryl-4-hydroxy-cyclobutenedione (Antipyrylsemisquaric Acid) and its Derivatives
Schmidt, Arthur H., Kohler, Jochen, Pretsch, Ramona, Freytag-Loringhoven, Sarah von, Wiesert, Peter R.
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.01.2008)
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.01.2008)
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Journal Article
General Synthetic Entry to Linearly-Fused Dihydrobenzocyclobutene-1,2-diones and Benzocyclobutene-1,2-diones via Annulation of 1,2-Bis(methylene)carbocycles with 3-Chloro-3-cyclobutene-1,2-dione 1
Schmidt, Arthur H., Kircher, Gunnar, Willems, Markus
Published in Journal of organic chemistry (01.04.2000)
Published in Journal of organic chemistry (01.04.2000)
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Journal Article
Oxokohlenstoffe und verwandte Verbindungen, 30 [1]. Über die Umsetzung von Quadratsäure mit Pyrazolinonen / Oxocarbons and Related Compounds, 30 [1]. On the Reaction of Squaric Acid with Pyrazolinones
Schmidt, Arthur H., Schreck, Timo, Rötz, Ralf, Freytag-Loringhoven, Sarah von
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.03.2006)
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (01.03.2006)
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