Liebigs Annalen p. 1013 - 1018 (1997)
Update date:2022-08-04
Topics:
Dehmlow, Eckehard Volker
Pieper, Stefanie
Neumann, Beate
Stammler, Hans-Georg
(R)-Cysteinol was protected as its oxazoline derivatives 1a-c and oxidized to the sulfoxides 2, 3 and the sulfone 7. These compounds could be alkylated under chelate control to give tertiary and quaternary stereogenic centers in a highly stereoselective manner to yield 4a-c,5, 8a-c, 11 and 12. Starting with the sulfone 7, both configurations at the new chiral center can be constructed. VCH Verlagsgesellschaft mbH, 1997.
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