| abstract |
The present invention is related to: (1) neutral sphingomyelinase inhibitors containing 2-thioxo 1,2,3,4-tetrahydropyrimidine derivatives of the formula (I): wherein all of the symbols have the same meanings as described hereinbefore, or a non-toxic salt thereof, a hydrate thereof, or a prodrug thereof as active ingredient, (2) novel 2-thioxo-1,2,3,4-tetrahydropyrimidine derivatives of the formula (I): wherein all of the symbols have the same meanings as described hereinbefore, or a non-toxic salt thereof, a hydrate thereof, or a prodrug thereof, (3) some novel specific compounds, and (4) process for the preparation of the compounds of the formula (Ia), or a prodrug thereof. The compounds of the present invention of the formulae (I) and (Ia) are neutral sphingomyelinase inhibitors and therefore are useful for the treatment and/or prevention of arteriosclerosis, cerebral ischemia, cardiac ischemia, lung injury, renal injury, GVHD (graft versus host diseases), transplant rejection, HIV, etc. |