Abstract
Lewis acid B(C6F5)3 catalyzed the Diels-Alder reactions of multisubstituted open-chain dienes and α,β-enals to afford the desired products with high exo-selectivities are reported. The substituent effect of the dienes and dienophiles on the products stereoselectivity was thoroughly investigated, and it was found that most of the desired exo-Diels-Alder products could be obtained in good yields and with high exo-stereoselectivities.
Original language | English |
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Pages (from-to) | 4432-4435 |
Number of pages | 4 |
Journal | Organic Letters |
Volume | 17 |
Issue number | 18 |
DOIs | |
State | Published - 18 Sep 2015 |
Externally published | Yes |