Co-reporter:Alison J. Fugard, Bethany K. Thompson, Alexandra M. Z. Slawin, James E. Taylor, and Andrew D. Smith
Organic Letters 2015 Volume 17(Issue 23) pp:5824-5827
Publication Date(Web):November 24, 2015
DOI:10.1021/acs.orglett.5b02997
Hydrazone-carboxylic acids undergo intramolecular cyclization in the presence of pivaloyl chloride, iPr2NEt, and catalytic DABCO to form a range of substituted fused tricyclic 2,3-dihydro-1,3,4-oxadiazoles in high yields.