Stephan Reck
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View article: CCDC 116075: Experimental Crystal Structure Determination
CCDC 116075: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: [4+3] Cycloadditions with c-Heteroannulated Furans — Synthesis of Novel Annulated Tropones
[4+3] Cycloadditions with c-Heteroannulated Furans — Synthesis of Novel Annulated Tropones Open
Furo[3, and furo [3,4-dlthiazole (lb) react with 1,3dimethyloxyallyl cationic species to give the [4+3] cycloaddition products (3a,b).The ring opening reaction of these adducts with HzS04IEt20 yields the annulated hydroxytropones (4a,b or …
View article: CCDC 103159: Experimental Crystal Structure Determination
CCDC 103159: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 103158: Experimental Crystal Structure Determination
CCDC 103158: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Synthesis and Reactions of a Novel Furo[3,4-d]thiazole
Synthesis and Reactions of a Novel Furo[3,4-d]thiazole Open
The synthesis of a novel fuo [3, and some cycloadditions are reported.Density functional theoretical calculations are in accord with the reactivity of this system.Cycloaddition reactions with a-quinodimethane (1 -2, A = benzo)' and heteroa…
View article: CCDC 101141: Experimental Crystal Structure Determination
CCDC 101141: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Synthese und Umsetzungen von 4-Acyl/Carbamoyl-N-aryl-3-chloropyrrol-2,5-dionen: Kristallstruktur eines auf Wasserstoffbrückenbindungen basierenden supramolekularen Bandes [1] / Synthesis and Reactions of 4-Acyl/Carbamoyl-N-aryl-3-chloro-pyrrol-2,5-diones: Crystal Structure of a Supramolecular Ribbon Based on Hydrogen Bonds [ 1]
Synthese und Umsetzungen von 4-Acyl/Carbamoyl-N-aryl-3-chloropyrrol-2,5-dionen: Kristallstruktur eines auf Wasserstoffbrückenbindungen basierenden supramolekularen Bandes [1] / Synthesis and Reactions of 4-Acyl/Carbamoyl-N-aryl-3-chloro-pyrrol-2,5-diones: Crystal Structure of a Supramolecular Ribbon Based on Hydrogen Bonds [ 1] Open
Reaction of malondiamides 1 with oxalyl chloride (2) leads to the formation of 2,3-dioxo-2,3- dihydrofuran hydrochlorides 3 and 2,3-dioxo-2,3-dihydro-furanes 4, respectively. The structure of 3a was established by X-ray diffraction. The β-…
View article: Intramolecular Cycloadditions with Isobenzofurans - XII - Synthesis and Reactions of Furo[3,4-d]isoxazoles
Intramolecular Cycloadditions with Isobenzofurans - XII - Synthesis and Reactions of Furo[3,4-d]isoxazoles Open
The synthesis of furo[3,4-d]isoxazoles (3) and inter- and intramolecular cycloaddition reactions (to 4, 5a,b) are reported. The structures of 3k, 5b and 6 have been clarified by X-ray crystallography. Quantum chemical calculations (AM1, PM…