| abstract |
The present invention provides thioalkeneamides of formula (I) which are useful as transketolase inhibitors: wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R a -R d , n and ring A are as defined herein. The present invention also provides pharmaceutical compositions comprising the compounds of formula (I). The invention provides methods for inhibiting transketolase activity, reducing cellular ribose-5-phosphate levels, inhibiting nucleic acid synthesis, inhibiting cell proliferation and tumor cell growth in vitro and in vivo, stimulating apoptosis in tumor cells and treating cancer by administering a compound of formula (I) or a pharmaceutical composition thereof. |