Abstract
An oxazaborolidine derived from N-tosyl (αS,βR)-β-methyltryptophan (1)catalyzes the Diels-Alder reaction of 2-bromoacrolein and furan with 96:4 enantioselectivity, leading to an efficient synthesis of numerous chiral 7-oxabicyclo[2.2.1]heptene derivatives.
Original language | English |
---|---|
Pages (from-to) | 3979-3982 |
Number of pages | 4 |
Journal | Tetrahedron Letters |
Volume | 34 |
Issue number | 25 |
DOIs | |
State | Published - 18 Jun 1993 |
Externally published | Yes |