Zelenkov LE, Kuznetsov ML, Andrusenko EV, Avdontceva MS, Starova GL, Bokach NA, Kukushkin VY. Nickel(
ii)-mediated cyanamide–pyrazole coupling highlights distinct reactivity of NCNR
2 and NCR nitrile ligands.
NEW J CHEM 2020. [DOI:
10.1039/d0nj00704h]
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Abstract
The nickel(ii) center efficiently promotes the cyanamide–pyrazole coupling to give bis-chelate and tris-chelate products. The formation of the tris-chelate product for dialkylcyanamides is thermodynamically favorable.
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