During cancer progression, the unrestricted proliferation of cells is supported by the
impaired cell death response provoked by certain oncogenes. Both autophagy and …

Macrocycles are key structural elements in numerous bioactive small molecules and are
attractive targets in the diversity-oriented synthesis of natural product–based libraries …

Covering: January–December 2006 This article reviews the progress in the chemistry of the
steroids which was published between January and December 2006. The reactions and …

The stereoselective preparation of diosgenin-derived thio (seleno) ureas and glycomimetics
bearing a 1, 2, 3-triazolyl tether on C-3 has been accomplished. The key steps in the …

Certain steroidal compounds have demonstrated an antiproliferative effect against several
tumor cell lines; however, their complete role on cancer cells is not currently established …

The synthesis of the new glycoside (25R)-3β, 16β-diacetoxy-12, 22-dioxo-5α-cholestan-26-
yl β-d-glucopyranoside starting from hecogenin is described. This compound showed anti …

The MeOH extract of Dracaena viridiflora was found to display significant cytotoxicity against
some cancer cell lines. Systematic phytochemical investigation of this extract led to the …

Solanum nudum Dunal steroids have been reported as being antimalarial compounds;
however, their concentration in plants is low, meaning that the species could be threatened …

The synthesis and biological evaluation of the new cholestane glycoside (25R)-3β, 16β-
diacetoxy-22-oxocholest-5-en-26-yl β-d-glucopyranoside starting from diosgenin is …

Three new triterpene glycosides, named ulososide F (1), urabosides A (2) and B (3),
together with the previously reported ulososide A (4), were isolated from the Caribbean …