Reboredo Gil, Francisco JavierEstévez Cabanas, Juan CarlosEstévez Cabanas, Ramón José2021-08-182021-08-182008Estévez, R.J.; Estévez, J.C.; Reboredo, F.J. Sonogashira versus Stephens-Castro Mediated Synthesis of o-Phenylethynylbenzoic Acids, Convenient Precursors of 3-Phenylisocoumarins, in Proceedings of the 12th International Electronic Conference on Synthetic Organic Chemistry, 1–30 November 2008, MDPI: Basel, Switzerland, doi:10.3390/ecsoc-12-012013-906980-20-0http://hdl.handle.net/10347/26853The 12th International Electronic Conference on Synthetic Organic Chemistry session General Organic SynthesisWe describe herein two synthetic approaches to 3-phenyl-5-nitro-isocoumarines, both based on a nitro-facilitated cyclization of o-phenylethynylbenzoic acids obtained by Sonogashira or Stephens-Castro mediated coupling of o-yodobenzoic acids and phenylacetileneseng© 2008 The author(s). Published by MDPI, Basel, Switzerland. Open Accessbook part10.3390/ecsoc-12-01201open access