Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 120-73-0, Name is Purine, molecular formula is C5H4N4. In an article, author is Antermite, Daniele,once mentioned of 120-73-0, Application In Synthesis of Purine.
Regio- and Stereoselective Palladium-Catalyzed C(sp(3))-H Arylation of Pyrrolidines and Piperidines with C(3) Directing Groups
The selective synthesis of cis-3,4-disubstituted pyrrolidines and piperidines is achieved by a Pd-catalyzed C-H arylation with excellent regio- and stereoselectivity using an aminoquinoline auxiliary at C(3). The arylation conditions are silver free, use a low catalyst loading, and employ inexpensive K2CO3 as a base. Directing group removal is accomplished under new, mild conditions to access amide-, acid-, ester-, and alcohol-containing fragments and building blocks. This C-H arylation protocol enabled a short and stereocontrolled formal synthesis of (-)-paroxetine.
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Reference:
Piperidine – Wikipedia,
,Piperidine | C5H11N – PubChem