
Tetrahedron Letters p. 7385 - 7388 (1989)
Update date:2022-07-30
Topics:
Poli, Giovanni
The osmylation of several 3-substituted cyclopentenes has been studied.A preference for OsO4 addition syn to an allylic CHR2 substituent is observed.By contrast, bulkier substituents of type CMeR2 give rise to a striking reversal of selectivity.These results are interpreted in terms of the stereodivergent nature of the two differently reactive envelope conformations.
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