Facile and selective cleavage of allyl ethers, amines and esters using polymethylhydrosiloxane–ZnCl2/Pd(PPh3)4
S. Chandrasekhar*, Raji Reddy and R. Jagadeeshwar Rao
*Indian Institute of Chemical Technology, Hyderabad 500 007, India, Email: srivariciict.ap.nic.in
S. Chandrasekhar, R. Reddy, R. J. Rao, Tetrahedron, 2001, 57, 3435-3438.
Deprotection of allyl ethers, amines and esters to liberate hydroxyl, amino and acid groups is achieved under mild conditions. The reagent combination employed for this transformation is polymethylhydrosiloxane (PMHS), ZnCl2 and Pd(PPh3)4.
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