Weimar, C. and Angerer, S. von and Wiegrebe, Wolfgang (1991) Synthesis of C-13-Alkylated 8-oxoberberbines. Archiv der Pharmazie 324, pp. 907-912.
C-13-alkylated methoxy-8H-dibenzo[a,g]quinolizin-8-ones 2a-e were synthesized by photocyclization of 1 -alkylidene-N-benzoyl-1,2,3,4-tetrahydroisoquinolines 1. Moreover, condensation of 1,2,3,4-tetrahydro-6,7-dimethoxy- 1-oxo-isoquinoline with homophthalic acid anhydrides 7a and b leads to the C-13-alkylated 8-oxoberbines 2b and c and improves the yields compared with those of the ...
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|Institutions:||Chemistry and Pharmacy > Institute of Pharmacy > Alumni or Retired Professors > Prof. Wiegrebe|
|Dewey Decimal Classification:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||08 Jul 2010 05:11|
|Last Modified:||13 Mar 2014 13:49|