Solvent free oxidative radical substitution process. Synthesis of pyrrole fused systems
A xanthate-based, solvent free, homolytic substitution on selected substituted pyrrole systems is described. Additionally, a practical entry for the rapid construction of pyrrole fused systems using this solventless radical addition followed by a double nucleophilic alkylation sequence, is also reported.
Flórez-López, Edwin,Gomez-Pérez, Liliana B.,Miranda, Luis D.
scheme or table
p. 6000 - 6002
(2010/11/21)
Process for preparing pyrrolizine derivatives
This invention relates to novel processes for preparing substituted pyrrolizine compounds. More particularly, it relates to novel processes for preparing 5-aroyl-2,3-dihydro-1H-pyrrolizine-1,1-dicarboxylate of the following formula (I) from pyrrole. STR1
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(2008/06/13)
Radical-based syntheses of 5-benzoyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acid (ketorolac)
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Artis,Cho,Muchowski
p. 1838 - 1842
(2007/10/02)
Process for preparing 5-aroyl-2,3-dihydro-1H-pyrrolizine-1,1-dicarboxylates (II) and intermediates therefor
5-Aroyl-2,3-dihydro-1H-pyrrolizine-1,1-dicarboxylates of the formula STR1 are prepared from 2-aroylpyrroles. Hydrolysis and mono-decarboxylation of these compounds affords ketorolac and related compounds.
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(2008/06/13)
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