SYNTHESIS OF TRIAZOLE COMPOUNDS THAT MODULATE HSP90 ACTIVITY

摘要

The present invention provides novel methods of preparing triazole compounds which inhibit the activity of Hsp90. One embodiment of the invention is directed to methods for preparing a triazole compound represented by the following Structural Formula: or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof, comprising the steps of: a) reacting an amide represented by the following Structural Formula: with a thionation reagent to form a thioamide; b) reacting the thioamide of step a) with hydrazine to form a hydrazonamide; c) reacting the hydrazonamide of step b) with a carbonylation or a thiocarbonylation reagent. In one embodiment, the present invention is a method of synthesis of a compound of formula (IA) or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof, comprising reacting a compound of formula (IIA) with an oxidizing agent, thereby producing a compound of formula (IA). The present invention is also directed to a method of preparing a compound or a tautomer thereof represented by the following Structural Formula: (IB) or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof. The method comprises the step of reacting a first starting compound represented by the following Structural Formula: (HB) in the presence of a mercuric salt, with a second starting compound represented by the following Structural Formula: (IIIB).