abstract |
The present invention is a spiro derivative, specifically 7-methyl-2- [4-methyl-6- [4- (trifluoromethyl) -phenyl] pyrimidin-2-yl] -1,7-diazaspiro [4.4. ] Concerning a novel process for preparing nonane-6-one, and a new intermediate for use in the process and a process for preparing the intermediate. [Selection diagram] None |