Tetrahedron Letters p. 6439 - 6442 (1992)
Update date:2022-08-04
Topics:
Duan, James J. -W.
Sprengeler, Paul A.
Smith III, Amos B.
Iodine monobromide (IBr) induces efficient electrophilic cyclizations of homoallylic t-butyl carbonates in toluene or methylene chloride at low temperature, affording significantly better diastereoselectivity than iodine (I2) in acetonitrile.
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