Karla-Sue C. Marriott; Rena Bartee; Andrew Z. Morrison; Leonard Stewart; Julian Wesby. Expedited Synthesis of Benzofuran-2-Carboxylic Acids via Microwave-Assisted Perkin Rearrangement Reaction. Tetrahedron Letters. 2012, s. 3319–3321. doi:10.1016/j.tetlet.2012.04.075. PMID22736873.
Karla-Sue C. Marriott; Rena Bartee; Andrew Z. Morrison; Leonard Stewart; Julian Wesby. Expedited Synthesis of Benzofuran-2-Carboxylic Acids via Microwave-Assisted Perkin Rearrangement Reaction. Tetrahedron Letters. 2012, s. 3319–3321. doi:10.1016/j.tetlet.2012.04.075. PMID22736873.