Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Syntheses of synthetic analogues of pondaplin 1 have been achieved. Final macrolide construction was accomplished using a Keck macrolactonization reaction. ... Reagents and conditions: (a) allyl bromide, acetone, K2CO3, reflux, 1h, 83%; (b) ... Reagents and conditions: (a) allyl ...