Tetrahedron p. 5489 - 5494 (1994)
Update date:2022-08-16
Topics:
Grigg, Ronald
Kennewell, Peter
Savic, Vladimir
Pd(O) Catalysed cross-coupling of butenolide-3-triflates to 9-alkyl-9-borobicyclo<3.3.1>nonanes occurs in moderate to good yield and tolerates a range of functionality.Application of this methodology combined with addition of diethylzinc to a butenolide aldehyde in the presence of an ephedrine derivative leads to a 3-step synthesis of (-)-isoseiridine with 88percent e.e. in good yield.
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