Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 10310-21-1, Name is 2-Amino-6-chloropurine, molecular formula is C5H4ClN5, belongs to piperidines compound, is a common compound. In a patnet, author is Palinkas, Noemi, once mentioned the new application about 10310-21-1, Application In Synthesis of 2-Amino-6-chloropurine.
Para-substituted iodobenzenes were reacted withtent-butyl isocyanide and piperidine as nucleophiles in a the presence of palladium-diphosphine catalysts. Both single and double insertion of the isocyanide was observed and the corresponding amidines and ketimine-amidines were obtained in yields of practical interest. With the increase of the tert-butyl isocyanide/iodobenzene ratio, 100% chemoselectivity toward the ketimine-amidine was achieved. The formation of the products was rationalized on the basis of a catalytic cycle analogous to that of the aminocarbonylation reactions. Clear connection was found between the activity and the electronic structure of the proposed catalyst Pd(diphosphine) by computational studies, as the more negative partial charge on palladium resulted in higher conversion. Among five isocyanide substrates, only tert-butyl isocyanide was proved to be active.
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Reference:
Piperidine – Wikipedia,
,Piperidine | C5H11N – PubChem