22929-52-8, Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels.In a patent£¬Which mentioned a new discovery about 22929-52-8
CYCLIC ETHER DERIVATIVES OF PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYAMIDE
The invention relates to Spirocyclic ether derivatives of pyrazolo[1,5-a]pyrimidine-3-carboxyamide of general formula (I) which are inhibitors of phosphodiesterase 2, useful in treating central nervous system diseases and other diseases. In addition, the invention relates to processes for preparing pharmaceutical compositions as well as processes for manufacture the compounds according to the invention.
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Reference£º
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem