Abstract
Catalytic enantioselective tandem carbonyl ylide formation-cycloaddition of α-diazo-β-ketoesters 1 (R = alkyl, n = 1,2) using 1 mol% [Rh2(S-DOSP)4] 2 in hexane at room temperature to give the cycloadducts 3 in good yields and up to 53% ee are described.
Original language | English |
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Pages (from-to) | 6471-6472 |
Number of pages | 2 |
Journal | Tetrahedron Letters |
Volume | 38 |
Issue number | 36 |
DOIs | |
Publication status | Published - 8 Sept 1997 |
Externally published | Yes |