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Triphenylphosphine as a Novel Organocatalyst for Chemoselective O-tert-Butoxycarbonylation of Phenols

Rajesh Chebolu, Sunay V. Chankeshwara, Asit K. Chakraborti*

*Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar 160062, Punjab, India, Email:

R. Chebolu, S. V. Chankeshwara, A. K. Chakraborti, Synthesis, 2008, 1448-1454.

DOI: 10.1055/s-2008-1072565


Triphenylphosphine is a suitable organocatalyst for the chemoselective O-tert-butoxycarbonylation of phenols under neutral and neat conditions.

see article for more examples

Organocatalytic Methods for Chemoselective O-tert-Butoxycarbonylation of Phenols and Their Regeneration from the O-t-Boc Derivatives

S. V. Chankeshwara, R. Chebolu, A. K. Chakraborti, J. Org. Chem., 2008, 73, 8615-8618.

Key Words

triphenylphosphine, organocatalysis, tert-butoxycarbonyl, di-tert-butyl dicarbonate, carbonates, phenols, chemoselective

ID: J66-Y2008-1230