Getting a handle on it: In the chelation-assisted title reactions in the presence of a hypervalent iodine oxidant, sodium azide and sodium nitrite served as readily available nitrogen sources, and pyridine, pyrimidine, and pyrazole substituents were efficient directing groups (DGs; see scheme; Cp*=C5Me5). The synthetic utility of the azidation products was demonstrated in subsequent functional-group transformations. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
No takes yet. Share an insight, caveat, or question.
Xie et al. (2013) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: