Rhodium-Catalyzed Complete Regioselective Intermolecular Cross-Cyclotrimerization of Aryl Ethynyl Ethers and Nitriles or Isocyanates at Room Temperature.
英文:
Rhodium-Catalyzed Complete Regioselective Intermolecular Cross-Cyclotrimerization of Aryl Ethynyl Ethers and Nitriles or Isocyanates at Room Temperature.
We have established that a cationic rhodium(I)/H8-BINAP complex catalyzes the complete regioselective intermol. cross-cyclotrimerization of aryl ethynyl ethers and nitriles or isocyanates leading to 2,4-diaryloxypyridines or 4,6-diaryloxy-2-pyridones at room temp. [on SciFinder(R)]
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