Scheme for the synthesis of turkesterone 11α-acyl derivatives: i) phenylboronic acid, dry DMF, r

Copyright information:Taken from "Synthesis and biological activities of turkesterone 11α-acyl derivatives"Journal of Insect Science 2003;3():-.Published online 24 Feb 2003PMCID:PMC524646.Copyright © 2003. Open access; copyright is maintained by the authors.t. 2 h, ii) addition of dry DMP, dry acetone and fused -TsOH, r.t. 3h, iii) R-COOCO-R, dry pyridine (or pyridine/benzene 6:5 v/v), r.t. (or 50°C) for 2–20 h and iv) 0.1M HCl/dioxan (1:1 v/v), r.t. 4 h.