Mahboobi, Siavosh and Dove, Stefan and Kuhr, S. and Pongratz, Hewig (1999) Synthesis of arcyriarubine regioisomers by Pd(0)-catalysis or via lithiated indole derivatives - conformational analysis by semiempirical and X-ray methods. Pharmazie 54 (11), pp. 820-827.
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Regioisomers of arcyriarubines were synthesized by the reaction of N-protected indoles with dibromomaleimide either in the presence of a Pd(0)-catalyst or n-BuLi. Methods for N-alkylation of these bisindolylmaleimides and deprotection of the indole-N are described. The structure of the bisindolylmaleimide I (R = R1 = R2 = H) was studied by semiempiric quantum-chem. calcns., the structure of its deriv. I (R = CH2CH2Br, R1 = SO2Ph, R2 = H) was ascertained by X-ray anal.
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|Institutions:||Chemistry and Pharmacy > Institute of Pharmacy > Pharmaceutical/Medicinal Chemistry II (Prof. Buschauer)|
Chemistry and Pharmacy > Institute of Pharmacy > Pharmaceutical/Medicinal Chemistry I (Prof. Elz)
|Subjects:||500 Science > 570 Life sciences|
500 Science > 540 Chemistry & allied sciences
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||20 Jan 2009 16:44|
|Last Modified:||05 Aug 2009 13:50|