Helvetica Chimica Acta p. 216 - 219 (1985)
Update date:2022-07-29
Topics:
Oppolzer, Wolfgang
Dudfield, Philip
Using the readily accessible chiral auxiliaries 1-3 the sulfonamide-shielded O-silylated esters 5 underwent ?-face-selective α-acetoxylation on successive treatment with Pb(OAc)4 and NEt3*HF to give after recrystallization α-acetoxy ester 6 in 55-66percen
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