- A novel convenient approach towards pyrrolo[1,2-b]pyridazines through a domino coupling-isomerization-condensation reaction.
A novel convenient approach towards pyrrolo[1,2-b]pyridazines through a domino coupling-isomerization-condensation reaction.
Organic & biomolecular chemistry (2013-03-15)
Meng Wang, Cun Tan, Qian He, Yuyuan Xie, Chunhao Yang
PMID23487245
ABSTRACT
A novel Pd/Cu catalyzed domino reaction for the synthesis of functionalized pyrrolo[1,2-b]pyridazines from readily accessible (hetero)aryl propargyl alcohols and 1-amino-2-bromopyrroles was developed. This cascade process involves a Sonogashira cross-coupling reaction, an isomerization and an intramolecular condensation.
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Palladium, evaporation slug, diam. × L 0.6 cm × 0.6 cm, 99.95% trace metals basis
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