Full Research Paper Synthesis of novel photochromic pyrans via palladium-mediated reactions Christoph Böttcher Gehad Zeyat Saleh A. Ahmed Elisabeth Irran Thorben Cordes Cord Elsner Wolfgang Zinth Karola Rueck-Braun Beilstein Journal of Organic Chemistry 2009 5:25 2009-05-27 10.3762/bjoc.5.25 Beilstein-Institut http://creativecommons.org/licenses/by/2.0 text/html en Beilstein Journal of Organic Chemistry 2009-05-27 5 1 Full Research Paper 25 1860-5397-5-25 25 5 10.3762/bjoc.5.25 1860-5397 https://www.beilstein-journals.org/bjoc/articles/5/25 1 2 3 4 5 6 7 8 Beilstein Journal of Organic Chemistry https://www.beilstein-journals.org/bjoc/content/html/1860-5397-5-25.html https://www.beilstein-journals.org/bjoc/content/pdf/1860-5397-5-25.pdf