Concentration effects in chelation controlled reactions

DOI: 10.1016/0040-4039(95)01897-Q

Source and publish data:

Tetrahedron Letters p. 8733 - 8736 (1995)

Update date:2022-07-30

Topics: Steric Effects Solvent Effects Catalysis Competing Reactions

Authors:

Springer

Springer, James B.

DeBoard DeBoard

Deboard, Julie

Corcoran

Corcoran, Robert C.

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Article abstract of DOI:10.1016/0040-4039(95)01897-Q

The diastereoselectivities of addition reactions of allyltrimethylsilane to an α-benzyloxyaldehyde were found to be relatively insensitive to the amount of added TiCl₄, and to the absolute concentration of the 1:1 aldehyde/TiCl₄ complex. In contrast, diastereoselectivities of similar additions to a structurally related β-benzyloxyaldehyde were highly dependent on these variables.

Full text of DOI:10.1016/0040-4039(95)01897-Q

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