Iodine monobromide (IBr) at low temperature: A superior protocol for diastereoselective cyclizations of homoallylic carbonates

DOI: 10.1016/S0040-4039(00)79009-5

Source and publish data:

Tetrahedron Letters p. 6439 - 6442 (1992)

Update date:2022-08-04

Topics:

Authors:

Duan, James J. -W.

Sprengeler, Paul A.

Smith III, Amos B.

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Article abstract of DOI:10.1016/S0040-4039(00)79009-5

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.

Full text of DOI:10.1016/S0040-4039(00)79009-5

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