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Synthese und Kristallstrukturanalyse eines 2,4-Diaryl-2,3-dihydro-1H-1,5-benzodiazepins / Synthesis and Crystal Structure Analysis of a 2,4-Diaryl-2,3-dihydro-1H-1,5-benzodiazepine
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Angelina Hormaza
Veröffentlicht/Copyright:
2. Juni 2014
Abstract
The enone unit of chalcones is a synthetically valuable substructure for the formation of heterocycles. Whereas propoxy groups as solubilizing side chains on the phenyl groups do not much affect the generation of pyrazole and pyridine rings, they reduce significantly the yield of the diazepine ring system 4. We attribute this effect to the large twist angles between the ring planes, which are demonstrated by a crystal structure analysis.
Received: 2003-10-2
Published Online: 2014-6-2
Published in Print: 2004-1-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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Artikel in diesem Heft
- The Low-Temperature Polymorph of Tetramethyldiphosphinebis( monoborane): Insight into the Stabilization of Different Rotational Isomers in the Solid State
- Verbindungen mit Pentelid-Hanteln M2: AIII M6 und AII11M10 (A = Rb, Cs, Ba; M = Sb, Bi) / Compounds with Pentelide Dumbbells M2: AI11M6 and AII11M10 (A = Rb, Cs, Ba; M = Sb, Bi)
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- Molecular Structure and Reactivity of Tri(1-cyclohepta-2,4,6-trienyl)amine, N(C7H7)3
- ScOH(CH3SO3)2, a Basic Methanesulfonate of Scandium with Chain Structure
- Calculated NMR Parameters (Chemical Shifts and Coupling Constants) of Cyclic C4H2 and C4H4 Molecules Containing Carbene Centers, and of Some of their Boron Analoga, Using Density Functional Theory (DFT)
- Atomvolumen, Packungsdichte und chemische Bindung in festem Iod unter Druck / Atomic Volume, Packing Density and Chemical Bonding in Solid Iodine under Pressure
- Secondary Interactions in Gold(I) Complexes with Thione Ligands. 1. Three Ionic Chlorides
- Chemical Composition and Antitumor Activities from Givotia madagascariensis
- A Study of Substituent Effect on the Oxidative Strengths of N-Chloroarenesulphonamides: Kinetics of Oxidation of Leucine and Isoleucine in Aqueous Acid Medium
- Synthese und Kristallstrukturanalyse eines 2,4-Diaryl-2,3-dihydro-1H-1,5-benzodiazepins / Synthesis and Crystal Structure Analysis of a 2,4-Diaryl-2,3-dihydro-1H-1,5-benzodiazepine
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- A New Eudesmane Derivative from Leontodon tuberosus
- Structure of trans-Isoshinanolone in the Crystal and in Solution
- An Elegant Synthetic Route to 3-Cyano-5,6-dihydro-2-ethoxy-4-phenyl-pyrido[2,3-a]carbazoles
- Boron Trifluoride Mediated Addition of Nucleophiles to endo- and exo-Substituted Norbornene Derivatives
- Fascicularones C and D, Tricyclo[5.4.0.02.5]undecane Sesquiterpenoids from the Liquid Culture of Naematoloma fasciculare
- A New Triterpenoid Saponin from Ononis spinosa and Two New Flavonoid Glycosides from Ononis vaginalis
