Stereoselective method for preparing a chiral fluorinated...

Details Stereoselective method for preparing a chiral fluorinated... Stereoselective method for preparing a chiral fluorinated...

2005-10-04

2009-11-17

Zucker, Paul A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

Reexamination Certificate

active

07619111

ABSTRACT:
A stereoselective method for preparing a chiral fluorinated molecule by converting a compound having a —OSOF group, a fluorosulfite, attached to a chiral carbon atom into a fluorinated compound by replacing the —OSOF group attached the chiral carbon with a fluorine atom where the compound having the fluorine atom in place of the —OSOF group has an inverse configuration relative to the —OSOF group.

REFERENCES:
patent: 3100225 (1963-08-01), Zappel et al.
patent: 3283018 (1966-11-01), Christe et al.
patent: 41 31 242 (1993-04-01), None
patent: 899127 (1962-06-01), None
Lewis et al., “The Kinetics and Stereochemistry of the Decomposition of Secondary Alkyl Chlorosulfites”, J. Am. Chem.Soc., vol. 74, Jan. 20, 1952, pp. 308-311.

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